extern void __VERIFIER_error() __attribute__ ((__noreturn__)); /* Generated by CIL v. 1.5.1 */ /* print_CIL_Input is false */ typedef unsigned short __u16; typedef int __s32; typedef unsigned int __u32; typedef unsigned long long __u64; typedef signed char s8; typedef unsigned char u8; typedef unsigned short u16; typedef int s32; typedef unsigned int u32; typedef long long s64; typedef unsigned long long u64; typedef long __kernel_long_t; typedef unsigned long __kernel_ulong_t; typedef int __kernel_pid_t; typedef unsigned int __kernel_uid32_t; typedef unsigned int __kernel_gid32_t; typedef __kernel_ulong_t __kernel_size_t; typedef __kernel_long_t __kernel_ssize_t; typedef long long __kernel_loff_t; typedef __kernel_long_t __kernel_time_t; typedef __kernel_long_t __kernel_clock_t; typedef int __kernel_timer_t; typedef int __kernel_clockid_t; struct kernel_symbol { unsigned long value ; char const *name ; }; struct module; typedef __u32 __kernel_dev_t; typedef __kernel_dev_t dev_t; typedef unsigned short umode_t; typedef __kernel_pid_t pid_t; typedef __kernel_clockid_t clockid_t; typedef _Bool bool; typedef __kernel_uid32_t uid_t; typedef __kernel_gid32_t gid_t; typedef __kernel_loff_t loff_t; typedef __kernel_size_t size_t; typedef __kernel_ssize_t ssize_t; typedef __kernel_time_t time_t; typedef __s32 int32_t; typedef __u32 uint32_t; typedef unsigned long sector_t; typedef unsigned long blkcnt_t; typedef unsigned int gfp_t; typedef unsigned int fmode_t; typedef unsigned int oom_flags_t; struct __anonstruct_atomic_t_6 { int counter ; }; typedef struct __anonstruct_atomic_t_6 atomic_t; struct __anonstruct_atomic64_t_7 { long counter ; }; typedef struct __anonstruct_atomic64_t_7 atomic64_t; struct list_head { struct list_head *next ; struct list_head *prev ; }; struct hlist_node; struct hlist_head { struct hlist_node *first ; }; struct hlist_node { struct hlist_node *next ; struct hlist_node **pprev ; }; struct callback_head { struct callback_head *next ; void (*func)(struct callback_head * ) ; }; struct pt_regs { unsigned long r15 ; unsigned long r14 ; unsigned long r13 ; unsigned long r12 ; unsigned long bp ; unsigned long bx ; unsigned long r11 ; unsigned long r10 ; unsigned long r9 ; unsigned long r8 ; unsigned long ax ; unsigned long cx ; unsigned long dx ; unsigned long si ; unsigned long di ; unsigned long orig_ax ; unsigned long ip ; unsigned long cs ; unsigned long flags ; unsigned long sp ; unsigned long ss ; }; struct __anonstruct____missing_field_name_9 { unsigned int a ; unsigned int b ; }; struct __anonstruct____missing_field_name_10 { u16 limit0 ; u16 base0 ; unsigned char base1 ; unsigned char type : 4 ; unsigned char s : 1 ; unsigned char dpl : 2 ; unsigned char p : 1 ; unsigned char limit : 4 ; unsigned char avl : 1 ; unsigned char l : 1 ; unsigned char d : 1 ; unsigned char g : 1 ; unsigned char base2 ; }; union __anonunion____missing_field_name_8 { struct __anonstruct____missing_field_name_9 __annonCompField4 ; struct __anonstruct____missing_field_name_10 __annonCompField5 ; }; struct desc_struct { union __anonunion____missing_field_name_8 __annonCompField6 ; }; typedef unsigned long pteval_t; typedef unsigned long pgdval_t; typedef unsigned long pgprotval_t; struct __anonstruct_pte_t_11 { pteval_t pte ; }; typedef struct __anonstruct_pte_t_11 pte_t; struct pgprot { pgprotval_t pgprot ; }; typedef struct pgprot pgprot_t; struct __anonstruct_pgd_t_12 { pgdval_t pgd ; }; typedef struct __anonstruct_pgd_t_12 pgd_t; struct page; typedef struct page *pgtable_t; struct file; struct seq_file; struct thread_struct; struct mm_struct; struct task_struct; struct cpumask; struct qspinlock { atomic_t val ; }; typedef struct qspinlock arch_spinlock_t; struct qrwlock { atomic_t cnts ; arch_spinlock_t lock ; }; typedef struct qrwlock arch_rwlock_t; typedef void (*ctor_fn_t)(void); struct device; struct file_operations; struct completion; struct bug_entry { int bug_addr_disp ; int file_disp ; unsigned short line ; unsigned short flags ; }; struct timespec; struct compat_timespec; struct __anonstruct_futex_16 { u32 *uaddr ; u32 val ; u32 flags ; u32 bitset ; u64 time ; u32 *uaddr2 ; }; struct __anonstruct_nanosleep_17 { clockid_t clockid ; struct timespec *rmtp ; struct compat_timespec *compat_rmtp ; u64 expires ; }; struct pollfd; struct __anonstruct_poll_18 { struct pollfd *ufds ; int nfds ; int has_timeout ; unsigned long tv_sec ; unsigned long tv_nsec ; }; union __anonunion____missing_field_name_15 { struct __anonstruct_futex_16 futex ; struct __anonstruct_nanosleep_17 nanosleep ; struct __anonstruct_poll_18 poll ; }; struct restart_block { long (*fn)(struct restart_block * ) ; union __anonunion____missing_field_name_15 __annonCompField7 ; }; struct kernel_vm86_regs { struct pt_regs pt ; unsigned short es ; unsigned short __esh ; unsigned short ds ; unsigned short __dsh ; unsigned short fs ; unsigned short __fsh ; unsigned short gs ; unsigned short __gsh ; }; union __anonunion____missing_field_name_19 { struct pt_regs *regs ; struct kernel_vm86_regs *vm86 ; }; struct math_emu_info { long ___orig_eip ; union __anonunion____missing_field_name_19 __annonCompField8 ; }; struct cpumask { unsigned long bits[128U] ; }; typedef struct cpumask cpumask_t; typedef struct cpumask *cpumask_var_t; struct fregs_state { u32 cwd ; u32 swd ; u32 twd ; u32 fip ; u32 fcs ; u32 foo ; u32 fos ; u32 st_space[20U] ; u32 status ; }; struct __anonstruct____missing_field_name_29 { u64 rip ; u64 rdp ; }; struct __anonstruct____missing_field_name_30 { u32 fip ; u32 fcs ; u32 foo ; u32 fos ; }; union __anonunion____missing_field_name_28 { struct __anonstruct____missing_field_name_29 __annonCompField12 ; struct __anonstruct____missing_field_name_30 __annonCompField13 ; }; union __anonunion____missing_field_name_31 { u32 padding1[12U] ; u32 sw_reserved[12U] ; }; struct fxregs_state { u16 cwd ; u16 swd ; u16 twd ; u16 fop ; union __anonunion____missing_field_name_28 __annonCompField14 ; u32 mxcsr ; u32 mxcsr_mask ; u32 st_space[32U] ; u32 xmm_space[64U] ; u32 padding[12U] ; union __anonunion____missing_field_name_31 __annonCompField15 ; }; struct swregs_state { u32 cwd ; u32 swd ; u32 twd ; u32 fip ; u32 fcs ; u32 foo ; u32 fos ; u32 st_space[20U] ; u8 ftop ; u8 changed ; u8 lookahead ; u8 no_update ; u8 rm ; u8 alimit ; struct math_emu_info *info ; u32 entry_eip ; }; struct xstate_header { u64 xfeatures ; u64 xcomp_bv ; u64 reserved[6U] ; }; struct xregs_state { struct fxregs_state i387 ; struct xstate_header header ; u8 __reserved[464U] ; }; union fpregs_state { struct fregs_state fsave ; struct fxregs_state fxsave ; struct swregs_state soft ; struct xregs_state xsave ; }; struct fpu { union fpregs_state state ; unsigned int last_cpu ; unsigned char fpstate_active ; unsigned char fpregs_active ; unsigned char counter ; }; struct seq_operations; struct perf_event; struct thread_struct { struct desc_struct tls_array[3U] ; unsigned long sp0 ; unsigned long sp ; unsigned short es ; unsigned short ds ; unsigned short fsindex ; unsigned short gsindex ; unsigned long fs ; unsigned long gs ; struct fpu fpu ; struct perf_event *ptrace_bps[4U] ; unsigned long debugreg6 ; unsigned long ptrace_dr7 ; unsigned long cr2 ; unsigned long trap_nr ; unsigned long error_code ; unsigned long *io_bitmap_ptr ; unsigned long iopl ; unsigned int io_bitmap_max ; }; typedef atomic64_t atomic_long_t; struct lockdep_map; struct stack_trace { unsigned int nr_entries ; unsigned int max_entries ; unsigned long *entries ; int skip ; }; struct lockdep_subclass_key { char __one_byte ; }; struct lock_class_key { struct lockdep_subclass_key subkeys[8U] ; }; struct lock_class { struct list_head hash_entry ; struct list_head lock_entry ; struct lockdep_subclass_key *key ; unsigned int subclass ; unsigned int dep_gen_id ; unsigned long usage_mask ; struct stack_trace usage_traces[13U] ; struct list_head locks_after ; struct list_head locks_before ; unsigned int version ; unsigned long ops ; char const *name ; int name_version ; unsigned long contention_point[4U] ; unsigned long contending_point[4U] ; }; struct lockdep_map { struct lock_class_key *key ; struct lock_class *class_cache[2U] ; char const *name ; int cpu ; unsigned long ip ; }; struct held_lock { u64 prev_chain_key ; unsigned long acquire_ip ; struct lockdep_map *instance ; struct lockdep_map *nest_lock ; u64 waittime_stamp ; u64 holdtime_stamp ; unsigned short class_idx : 13 ; unsigned char irq_context : 2 ; unsigned char trylock : 1 ; unsigned char read : 2 ; unsigned char check : 1 ; unsigned char hardirqs_off : 1 ; unsigned short references : 12 ; unsigned int pin_count ; }; struct raw_spinlock { arch_spinlock_t raw_lock ; unsigned int magic ; unsigned int owner_cpu ; void *owner ; struct lockdep_map dep_map ; }; typedef struct raw_spinlock raw_spinlock_t; struct __anonstruct____missing_field_name_35 { u8 __padding[24U] ; struct lockdep_map dep_map ; }; union __anonunion____missing_field_name_34 { struct raw_spinlock rlock ; struct __anonstruct____missing_field_name_35 __annonCompField17 ; }; struct spinlock { union __anonunion____missing_field_name_34 __annonCompField18 ; }; typedef struct spinlock spinlock_t; struct __anonstruct_rwlock_t_36 { arch_rwlock_t raw_lock ; unsigned int magic ; unsigned int owner_cpu ; void *owner ; struct lockdep_map dep_map ; }; typedef struct __anonstruct_rwlock_t_36 rwlock_t; struct seqcount { unsigned int sequence ; struct lockdep_map dep_map ; }; typedef struct seqcount seqcount_t; struct __anonstruct_seqlock_t_45 { struct seqcount seqcount ; spinlock_t lock ; }; typedef struct __anonstruct_seqlock_t_45 seqlock_t; struct timespec { __kernel_time_t tv_sec ; long tv_nsec ; }; struct user_namespace; struct __anonstruct_kuid_t_46 { uid_t val ; }; typedef struct __anonstruct_kuid_t_46 kuid_t; struct __anonstruct_kgid_t_47 { gid_t val ; }; typedef struct __anonstruct_kgid_t_47 kgid_t; struct kstat { u64 ino ; dev_t dev ; umode_t mode ; unsigned int nlink ; kuid_t uid ; kgid_t gid ; dev_t rdev ; loff_t size ; struct timespec atime ; struct timespec mtime ; struct timespec ctime ; unsigned long blksize ; unsigned long long blocks ; }; struct vm_area_struct; struct __wait_queue_head { spinlock_t lock ; struct list_head task_list ; }; typedef struct __wait_queue_head wait_queue_head_t; struct __anonstruct_nodemask_t_48 { unsigned long bits[16U] ; }; typedef struct __anonstruct_nodemask_t_48 nodemask_t; struct optimistic_spin_queue { atomic_t tail ; }; struct mutex { atomic_t count ; spinlock_t wait_lock ; struct list_head wait_list ; struct task_struct *owner ; void *magic ; struct lockdep_map dep_map ; }; struct mutex_waiter { struct list_head list ; struct task_struct *task ; void *magic ; }; struct rw_semaphore; struct rw_semaphore { long count ; struct list_head wait_list ; raw_spinlock_t wait_lock ; struct optimistic_spin_queue osq ; struct task_struct *owner ; struct lockdep_map dep_map ; }; struct completion { unsigned int done ; wait_queue_head_t wait ; }; union ktime { s64 tv64 ; }; typedef union ktime ktime_t; struct timer_list { struct hlist_node entry ; unsigned long expires ; void (*function)(unsigned long ) ; unsigned long data ; u32 flags ; int slack ; int start_pid ; void *start_site ; char start_comm[16U] ; struct lockdep_map lockdep_map ; }; struct hrtimer; enum hrtimer_restart; struct rb_node { unsigned long __rb_parent_color ; struct rb_node *rb_right ; struct rb_node *rb_left ; }; struct rb_root { struct rb_node *rb_node ; }; struct nsproxy; struct workqueue_struct; struct work_struct; struct work_struct { atomic_long_t data ; struct list_head entry ; void (*func)(struct work_struct * ) ; struct lockdep_map lockdep_map ; }; struct delayed_work { struct work_struct work ; struct timer_list timer ; struct workqueue_struct *wq ; int cpu ; }; struct pm_message { int event ; }; typedef struct pm_message pm_message_t; struct dev_pm_ops { int (*prepare)(struct device * ) ; void (*complete)(struct device * ) ; int (*suspend)(struct device * ) ; int (*resume)(struct device * ) ; int (*freeze)(struct device * ) ; int (*thaw)(struct device * ) ; int (*poweroff)(struct device * ) ; int (*restore)(struct device * ) ; int (*suspend_late)(struct device * ) ; int (*resume_early)(struct device * ) ; int (*freeze_late)(struct device * ) ; int (*thaw_early)(struct device * ) ; int (*poweroff_late)(struct device * ) ; int (*restore_early)(struct device * ) ; int (*suspend_noirq)(struct device * ) ; int (*resume_noirq)(struct device * ) ; int (*freeze_noirq)(struct device * ) ; int (*thaw_noirq)(struct device * ) ; int (*poweroff_noirq)(struct device * ) ; int (*restore_noirq)(struct device * ) ; int (*runtime_suspend)(struct device * ) ; int (*runtime_resume)(struct device * ) ; int (*runtime_idle)(struct device * ) ; }; enum rpm_status { RPM_ACTIVE = 0, RPM_RESUMING = 1, RPM_SUSPENDED = 2, RPM_SUSPENDING = 3 } ; enum rpm_request { RPM_REQ_NONE = 0, RPM_REQ_IDLE = 1, RPM_REQ_SUSPEND = 2, RPM_REQ_AUTOSUSPEND = 3, RPM_REQ_RESUME = 4 } ; struct wakeup_source; struct wake_irq; struct pm_subsys_data { spinlock_t lock ; unsigned int refcount ; struct list_head clock_list ; }; struct dev_pm_qos; struct dev_pm_info { pm_message_t power_state ; unsigned char can_wakeup : 1 ; unsigned char async_suspend : 1 ; bool is_prepared ; bool is_suspended ; bool is_noirq_suspended ; bool is_late_suspended ; bool ignore_children ; bool early_init ; bool direct_complete ; spinlock_t lock ; struct list_head entry ; struct completion completion ; struct wakeup_source *wakeup ; bool wakeup_path ; bool syscore ; struct timer_list suspend_timer ; unsigned long timer_expires ; struct work_struct work ; wait_queue_head_t wait_queue ; struct wake_irq *wakeirq ; atomic_t usage_count ; atomic_t child_count ; unsigned char disable_depth : 3 ; unsigned char idle_notification : 1 ; unsigned char request_pending : 1 ; unsigned char deferred_resume : 1 ; unsigned char run_wake : 1 ; unsigned char runtime_auto : 1 ; unsigned char no_callbacks : 1 ; unsigned char irq_safe : 1 ; unsigned char use_autosuspend : 1 ; unsigned char timer_autosuspends : 1 ; unsigned char memalloc_noio : 1 ; enum rpm_request request ; enum rpm_status runtime_status ; int runtime_error ; int autosuspend_delay ; unsigned long last_busy ; unsigned long active_jiffies ; unsigned long suspended_jiffies ; unsigned long accounting_timestamp ; struct pm_subsys_data *subsys_data ; void (*set_latency_tolerance)(struct device * , s32 ) ; struct dev_pm_qos *qos ; }; struct dev_pm_domain { struct dev_pm_ops ops ; void (*detach)(struct device * , bool ) ; int (*activate)(struct device * ) ; void (*sync)(struct device * ) ; void (*dismiss)(struct device * ) ; }; struct __anonstruct_mm_context_t_115 { void *ldt ; int size ; unsigned short ia32_compat ; struct mutex lock ; void *vdso ; atomic_t perf_rdpmc_allowed ; }; typedef struct __anonstruct_mm_context_t_115 mm_context_t; struct bio_vec; struct llist_node; struct llist_node { struct llist_node *next ; }; struct call_single_data { struct llist_node llist ; void (*func)(void * ) ; void *info ; unsigned int flags ; }; struct cred; struct inode; struct arch_uprobe_task { unsigned long saved_scratch_register ; unsigned int saved_trap_nr ; unsigned int saved_tf ; }; enum uprobe_task_state { UTASK_RUNNING = 0, UTASK_SSTEP = 1, UTASK_SSTEP_ACK = 2, UTASK_SSTEP_TRAPPED = 3 } ; struct __anonstruct____missing_field_name_148 { struct arch_uprobe_task autask ; unsigned long vaddr ; }; struct __anonstruct____missing_field_name_149 { struct callback_head dup_xol_work ; unsigned long dup_xol_addr ; }; union __anonunion____missing_field_name_147 { struct __anonstruct____missing_field_name_148 __annonCompField33 ; struct __anonstruct____missing_field_name_149 __annonCompField34 ; }; struct uprobe; struct return_instance; struct uprobe_task { enum uprobe_task_state state ; union __anonunion____missing_field_name_147 __annonCompField35 ; struct uprobe *active_uprobe ; unsigned long xol_vaddr ; struct return_instance *return_instances ; unsigned int depth ; }; struct xol_area; struct uprobes_state { struct xol_area *xol_area ; }; struct address_space; struct mem_cgroup; typedef void compound_page_dtor(struct page * ); union __anonunion____missing_field_name_150 { struct address_space *mapping ; void *s_mem ; }; union __anonunion____missing_field_name_152 { unsigned long index ; void *freelist ; bool pfmemalloc ; }; struct __anonstruct____missing_field_name_156 { unsigned short inuse ; unsigned short objects : 15 ; unsigned char frozen : 1 ; }; union __anonunion____missing_field_name_155 { atomic_t _mapcount ; struct __anonstruct____missing_field_name_156 __annonCompField38 ; int units ; }; struct __anonstruct____missing_field_name_154 { union __anonunion____missing_field_name_155 __annonCompField39 ; atomic_t _count ; }; union __anonunion____missing_field_name_153 { unsigned long counters ; struct __anonstruct____missing_field_name_154 __annonCompField40 ; unsigned int active ; }; struct __anonstruct____missing_field_name_151 { union __anonunion____missing_field_name_152 __annonCompField37 ; union __anonunion____missing_field_name_153 __annonCompField41 ; }; struct __anonstruct____missing_field_name_158 { struct page *next ; int pages ; int pobjects ; }; struct slab; struct __anonstruct____missing_field_name_159 { compound_page_dtor *compound_dtor ; unsigned long compound_order ; }; union __anonunion____missing_field_name_157 { struct list_head lru ; struct __anonstruct____missing_field_name_158 __annonCompField43 ; struct slab *slab_page ; struct callback_head callback_head ; struct __anonstruct____missing_field_name_159 __annonCompField44 ; pgtable_t pmd_huge_pte ; }; struct kmem_cache; union __anonunion____missing_field_name_160 { unsigned long private ; spinlock_t *ptl ; struct kmem_cache *slab_cache ; struct page *first_page ; }; struct page { unsigned long flags ; union __anonunion____missing_field_name_150 __annonCompField36 ; struct __anonstruct____missing_field_name_151 __annonCompField42 ; union __anonunion____missing_field_name_157 __annonCompField45 ; union __anonunion____missing_field_name_160 __annonCompField46 ; struct mem_cgroup *mem_cgroup ; }; struct page_frag { struct page *page ; __u32 offset ; __u32 size ; }; struct __anonstruct_shared_161 { struct rb_node rb ; unsigned long rb_subtree_last ; }; struct anon_vma; struct vm_operations_struct; struct mempolicy; struct vm_area_struct { unsigned long vm_start ; unsigned long vm_end ; struct vm_area_struct *vm_next ; struct vm_area_struct *vm_prev ; struct rb_node vm_rb ; unsigned long rb_subtree_gap ; struct mm_struct *vm_mm ; pgprot_t vm_page_prot ; unsigned long vm_flags ; struct __anonstruct_shared_161 shared ; struct list_head anon_vma_chain ; struct anon_vma *anon_vma ; struct vm_operations_struct const *vm_ops ; unsigned long vm_pgoff ; struct file *vm_file ; void *vm_private_data ; struct mempolicy *vm_policy ; }; struct core_thread { struct task_struct *task ; struct core_thread *next ; }; struct core_state { atomic_t nr_threads ; struct core_thread dumper ; struct completion startup ; }; struct task_rss_stat { int events ; int count[3U] ; }; struct mm_rss_stat { atomic_long_t count[3U] ; }; struct kioctx_table; struct linux_binfmt; struct mmu_notifier_mm; struct mm_struct { struct vm_area_struct *mmap ; struct rb_root mm_rb ; u32 vmacache_seqnum ; unsigned long (*get_unmapped_area)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ) ; unsigned long mmap_base ; unsigned long mmap_legacy_base ; unsigned long task_size ; unsigned long highest_vm_end ; pgd_t *pgd ; atomic_t mm_users ; atomic_t mm_count ; atomic_long_t nr_ptes ; atomic_long_t nr_pmds ; int map_count ; spinlock_t page_table_lock ; struct rw_semaphore mmap_sem ; struct list_head mmlist ; unsigned long hiwater_rss ; unsigned long hiwater_vm ; unsigned long total_vm ; unsigned long locked_vm ; unsigned long pinned_vm ; unsigned long shared_vm ; unsigned long exec_vm ; unsigned long stack_vm ; unsigned long def_flags ; unsigned long start_code ; unsigned long end_code ; unsigned long start_data ; unsigned long end_data ; unsigned long start_brk ; unsigned long brk ; unsigned long start_stack ; unsigned long arg_start ; unsigned long arg_end ; unsigned long env_start ; unsigned long env_end ; unsigned long saved_auxv[46U] ; struct mm_rss_stat rss_stat ; struct linux_binfmt *binfmt ; cpumask_var_t cpu_vm_mask_var ; mm_context_t context ; unsigned long flags ; struct core_state *core_state ; spinlock_t ioctx_lock ; struct kioctx_table *ioctx_table ; struct task_struct *owner ; struct file *exe_file ; struct mmu_notifier_mm *mmu_notifier_mm ; struct cpumask cpumask_allocation ; unsigned long numa_next_scan ; unsigned long numa_scan_offset ; int numa_scan_seq ; bool tlb_flush_pending ; struct uprobes_state uprobes_state ; void *bd_addr ; }; typedef __u64 Elf64_Addr; typedef __u16 Elf64_Half; typedef __u32 Elf64_Word; typedef __u64 Elf64_Xword; struct elf64_sym { Elf64_Word st_name ; unsigned char st_info ; unsigned char st_other ; Elf64_Half st_shndx ; Elf64_Addr st_value ; Elf64_Xword st_size ; }; typedef struct elf64_sym Elf64_Sym; union __anonunion____missing_field_name_166 { unsigned long bitmap[4U] ; struct callback_head callback_head ; }; struct idr_layer { int prefix ; int layer ; struct idr_layer *ary[256U] ; int count ; union __anonunion____missing_field_name_166 __annonCompField47 ; }; struct idr { struct idr_layer *hint ; struct idr_layer *top ; int layers ; int cur ; spinlock_t lock ; int id_free_cnt ; struct idr_layer *id_free ; }; struct ida_bitmap { long nr_busy ; unsigned long bitmap[15U] ; }; struct ida { struct idr idr ; struct ida_bitmap *free_bitmap ; }; struct dentry; struct iattr; struct super_block; struct file_system_type; struct kernfs_open_node; struct kernfs_iattrs; struct kernfs_root; struct kernfs_elem_dir { unsigned long subdirs ; struct rb_root children ; struct kernfs_root *root ; }; struct kernfs_node; struct kernfs_elem_symlink { struct kernfs_node *target_kn ; }; struct kernfs_ops; struct kernfs_elem_attr { struct kernfs_ops const *ops ; struct kernfs_open_node *open ; loff_t size ; struct kernfs_node *notify_next ; }; union __anonunion____missing_field_name_171 { struct kernfs_elem_dir dir ; struct kernfs_elem_symlink symlink ; struct kernfs_elem_attr attr ; }; struct kernfs_node { atomic_t count ; atomic_t active ; struct lockdep_map dep_map ; struct kernfs_node *parent ; char const *name ; struct rb_node rb ; void const *ns ; unsigned int hash ; union __anonunion____missing_field_name_171 __annonCompField48 ; void *priv ; unsigned short flags ; umode_t mode ; unsigned int ino ; struct kernfs_iattrs *iattr ; }; struct kernfs_syscall_ops { int (*remount_fs)(struct kernfs_root * , int * , char * ) ; int (*show_options)(struct seq_file * , struct kernfs_root * ) ; int (*mkdir)(struct kernfs_node * , char const * , umode_t ) ; int (*rmdir)(struct kernfs_node * ) ; int (*rename)(struct kernfs_node * , struct kernfs_node * , char const * ) ; }; struct kernfs_root { struct kernfs_node *kn ; unsigned int flags ; struct ida ino_ida ; struct kernfs_syscall_ops *syscall_ops ; struct list_head supers ; wait_queue_head_t deactivate_waitq ; }; struct kernfs_open_file { struct kernfs_node *kn ; struct file *file ; void *priv ; struct mutex mutex ; int event ; struct list_head list ; char *prealloc_buf ; size_t atomic_write_len ; bool mmapped ; struct vm_operations_struct const *vm_ops ; }; struct kernfs_ops { int (*seq_show)(struct seq_file * , void * ) ; void *(*seq_start)(struct seq_file * , loff_t * ) ; void *(*seq_next)(struct seq_file * , void * , loff_t * ) ; void (*seq_stop)(struct seq_file * , void * ) ; ssize_t (*read)(struct kernfs_open_file * , char * , size_t , loff_t ) ; size_t atomic_write_len ; bool prealloc ; ssize_t (*write)(struct kernfs_open_file * , char * , size_t , loff_t ) ; int (*mmap)(struct kernfs_open_file * , struct vm_area_struct * ) ; struct lock_class_key lockdep_key ; }; struct sock; struct kobject; enum kobj_ns_type { KOBJ_NS_TYPE_NONE = 0, KOBJ_NS_TYPE_NET = 1, KOBJ_NS_TYPES = 2 } ; struct kobj_ns_type_operations { enum kobj_ns_type type ; bool (*current_may_mount)(void) ; void *(*grab_current_ns)(void) ; void const *(*netlink_ns)(struct sock * ) ; void const *(*initial_ns)(void) ; void (*drop_ns)(void * ) ; }; struct bin_attribute; struct attribute { char const *name ; umode_t mode ; bool ignore_lockdep ; struct lock_class_key *key ; struct lock_class_key skey ; }; struct attribute_group { char const *name ; umode_t (*is_visible)(struct kobject * , struct attribute * , int ) ; struct attribute **attrs ; struct bin_attribute **bin_attrs ; }; struct bin_attribute { struct attribute attr ; size_t size ; void *private ; ssize_t (*read)(struct file * , struct kobject * , struct bin_attribute * , char * , loff_t , size_t ) ; ssize_t (*write)(struct file * , struct kobject * , struct bin_attribute * , char * , loff_t , size_t ) ; int (*mmap)(struct file * , struct kobject * , struct bin_attribute * , struct vm_area_struct * ) ; }; struct sysfs_ops { ssize_t (*show)(struct kobject * , struct attribute * , char * ) ; ssize_t (*store)(struct kobject * , struct attribute * , char const * , size_t ) ; }; struct kref { atomic_t refcount ; }; struct kset; struct kobj_type; struct kobject { char const *name ; struct list_head entry ; struct kobject *parent ; struct kset *kset ; struct kobj_type *ktype ; struct kernfs_node *sd ; struct kref kref ; struct delayed_work release ; unsigned char state_initialized : 1 ; unsigned char state_in_sysfs : 1 ; unsigned char state_add_uevent_sent : 1 ; unsigned char state_remove_uevent_sent : 1 ; unsigned char uevent_suppress : 1 ; }; struct kobj_type { void (*release)(struct kobject * ) ; struct sysfs_ops const *sysfs_ops ; struct attribute **default_attrs ; struct kobj_ns_type_operations const *(*child_ns_type)(struct kobject * ) ; void const *(*namespace)(struct kobject * ) ; }; struct kobj_uevent_env { char *argv[3U] ; char *envp[32U] ; int envp_idx ; char buf[2048U] ; int buflen ; }; struct kset_uevent_ops { int (* const filter)(struct kset * , struct kobject * ) ; char const *(* const name)(struct kset * , struct kobject * ) ; int (* const uevent)(struct kset * , struct kobject * , struct kobj_uevent_env * ) ; }; struct kset { struct list_head list ; spinlock_t list_lock ; struct kobject kobj ; struct kset_uevent_ops const *uevent_ops ; }; struct kernel_param; struct kernel_param_ops { unsigned int flags ; int (*set)(char const * , struct kernel_param const * ) ; int (*get)(char * , struct kernel_param const * ) ; void (*free)(void * ) ; }; struct kparam_string; struct kparam_array; union __anonunion____missing_field_name_172 { void *arg ; struct kparam_string const *str ; struct kparam_array const *arr ; }; struct kernel_param { char const *name ; struct module *mod ; struct kernel_param_ops const *ops ; u16 const perm ; s8 level ; u8 flags ; union __anonunion____missing_field_name_172 __annonCompField49 ; }; struct kparam_string { unsigned int maxlen ; char *string ; }; struct kparam_array { unsigned int max ; unsigned int elemsize ; unsigned int *num ; struct kernel_param_ops const *ops ; void *elem ; }; struct latch_tree_node { struct rb_node node[2U] ; }; struct mod_arch_specific { }; struct module_param_attrs; struct module_kobject { struct kobject kobj ; struct module *mod ; struct kobject *drivers_dir ; struct module_param_attrs *mp ; struct completion *kobj_completion ; }; struct module_attribute { struct attribute attr ; ssize_t (*show)(struct module_attribute * , struct module_kobject * , char * ) ; ssize_t (*store)(struct module_attribute * , struct module_kobject * , char const * , size_t ) ; void (*setup)(struct module * , char const * ) ; int (*test)(struct module * ) ; void (*free)(struct module * ) ; }; struct exception_table_entry; enum module_state { MODULE_STATE_LIVE = 0, MODULE_STATE_COMING = 1, MODULE_STATE_GOING = 2, MODULE_STATE_UNFORMED = 3 } ; struct mod_tree_node { struct module *mod ; struct latch_tree_node node ; }; struct module_sect_attrs; struct module_notes_attrs; struct tracepoint; struct trace_event_call; struct trace_enum_map; struct module { enum module_state state ; struct list_head list ; char name[56U] ; struct module_kobject mkobj ; struct module_attribute *modinfo_attrs ; char const *version ; char const *srcversion ; struct kobject *holders_dir ; struct kernel_symbol const *syms ; unsigned long const *crcs ; unsigned int num_syms ; struct mutex param_lock ; struct kernel_param *kp ; unsigned int num_kp ; unsigned int num_gpl_syms ; struct kernel_symbol const *gpl_syms ; unsigned long const *gpl_crcs ; struct kernel_symbol const *unused_syms ; unsigned long const *unused_crcs ; unsigned int num_unused_syms ; unsigned int num_unused_gpl_syms ; struct kernel_symbol const *unused_gpl_syms ; unsigned long const *unused_gpl_crcs ; bool sig_ok ; bool async_probe_requested ; struct kernel_symbol const *gpl_future_syms ; unsigned long const *gpl_future_crcs ; unsigned int num_gpl_future_syms ; unsigned int num_exentries ; struct exception_table_entry *extable ; int (*init)(void) ; void *module_init ; void *module_core ; unsigned int init_size ; unsigned int core_size ; unsigned int init_text_size ; unsigned int core_text_size ; struct mod_tree_node mtn_core ; struct mod_tree_node mtn_init ; unsigned int init_ro_size ; unsigned int core_ro_size ; struct mod_arch_specific arch ; unsigned int taints ; unsigned int num_bugs ; struct list_head bug_list ; struct bug_entry *bug_table ; Elf64_Sym *symtab ; Elf64_Sym *core_symtab ; unsigned int num_symtab ; unsigned int core_num_syms ; char *strtab ; char *core_strtab ; struct module_sect_attrs *sect_attrs ; struct module_notes_attrs *notes_attrs ; char *args ; void *percpu ; unsigned int percpu_size ; unsigned int num_tracepoints ; struct tracepoint * const *tracepoints_ptrs ; unsigned int num_trace_bprintk_fmt ; char const **trace_bprintk_fmt_start ; struct trace_event_call **trace_events ; unsigned int num_trace_events ; struct trace_enum_map **trace_enums ; unsigned int num_trace_enums ; unsigned int num_ftrace_callsites ; unsigned long *ftrace_callsites ; bool klp_alive ; struct list_head source_list ; struct list_head target_list ; void (*exit)(void) ; atomic_t refcnt ; ctor_fn_t (**ctors)(void) ; unsigned int num_ctors ; }; struct kernel_cap_struct { __u32 cap[2U] ; }; typedef struct kernel_cap_struct kernel_cap_t; struct plist_node { int prio ; struct list_head prio_list ; struct list_head node_list ; }; typedef unsigned long cputime_t; struct sem_undo_list; struct sysv_sem { struct sem_undo_list *undo_list ; }; struct user_struct; struct sysv_shm { struct list_head shm_clist ; }; struct __anonstruct_sigset_t_180 { unsigned long sig[1U] ; }; typedef struct __anonstruct_sigset_t_180 sigset_t; struct siginfo; typedef void __signalfn_t(int ); typedef __signalfn_t *__sighandler_t; typedef void __restorefn_t(void); typedef __restorefn_t *__sigrestore_t; union sigval { int sival_int ; void *sival_ptr ; }; typedef union sigval sigval_t; struct __anonstruct__kill_182 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; }; struct __anonstruct__timer_183 { __kernel_timer_t _tid ; int _overrun ; char _pad[0U] ; sigval_t _sigval ; int _sys_private ; }; struct __anonstruct__rt_184 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; sigval_t _sigval ; }; struct __anonstruct__sigchld_185 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; int _status ; __kernel_clock_t _utime ; __kernel_clock_t _stime ; }; struct __anonstruct__addr_bnd_187 { void *_lower ; void *_upper ; }; struct __anonstruct__sigfault_186 { void *_addr ; short _addr_lsb ; struct __anonstruct__addr_bnd_187 _addr_bnd ; }; struct __anonstruct__sigpoll_188 { long _band ; int _fd ; }; struct __anonstruct__sigsys_189 { void *_call_addr ; int _syscall ; unsigned int _arch ; }; union __anonunion__sifields_181 { int _pad[28U] ; struct __anonstruct__kill_182 _kill ; struct __anonstruct__timer_183 _timer ; struct __anonstruct__rt_184 _rt ; struct __anonstruct__sigchld_185 _sigchld ; struct __anonstruct__sigfault_186 _sigfault ; struct __anonstruct__sigpoll_188 _sigpoll ; struct __anonstruct__sigsys_189 _sigsys ; }; struct siginfo { int si_signo ; int si_errno ; int si_code ; union __anonunion__sifields_181 _sifields ; }; typedef struct siginfo siginfo_t; struct sigpending { struct list_head list ; sigset_t signal ; }; struct sigaction { __sighandler_t sa_handler ; unsigned long sa_flags ; __sigrestore_t sa_restorer ; sigset_t sa_mask ; }; struct k_sigaction { struct sigaction sa ; }; enum pid_type { PIDTYPE_PID = 0, PIDTYPE_PGID = 1, PIDTYPE_SID = 2, PIDTYPE_MAX = 3 } ; struct pid_namespace; struct upid { int nr ; struct pid_namespace *ns ; struct hlist_node pid_chain ; }; struct pid { atomic_t count ; unsigned int level ; struct hlist_head tasks[3U] ; struct callback_head rcu ; struct upid numbers[1U] ; }; struct pid_link { struct hlist_node node ; struct pid *pid ; }; struct percpu_counter { raw_spinlock_t lock ; s64 count ; struct list_head list ; s32 *counters ; }; struct seccomp_filter; struct seccomp { int mode ; struct seccomp_filter *filter ; }; struct rt_mutex_waiter; struct rlimit { __kernel_ulong_t rlim_cur ; __kernel_ulong_t rlim_max ; }; struct timerqueue_node { struct rb_node node ; ktime_t expires ; }; struct timerqueue_head { struct rb_root head ; struct timerqueue_node *next ; }; struct hrtimer_clock_base; struct hrtimer_cpu_base; enum hrtimer_restart { HRTIMER_NORESTART = 0, HRTIMER_RESTART = 1 } ; struct hrtimer { struct timerqueue_node node ; ktime_t _softexpires ; enum hrtimer_restart (*function)(struct hrtimer * ) ; struct hrtimer_clock_base *base ; unsigned long state ; int start_pid ; void *start_site ; char start_comm[16U] ; }; struct hrtimer_clock_base { struct hrtimer_cpu_base *cpu_base ; int index ; clockid_t clockid ; struct timerqueue_head active ; ktime_t (*get_time)(void) ; ktime_t offset ; }; struct hrtimer_cpu_base { raw_spinlock_t lock ; seqcount_t seq ; struct hrtimer *running ; unsigned int cpu ; unsigned int active_bases ; unsigned int clock_was_set_seq ; bool migration_enabled ; bool nohz_active ; unsigned char in_hrtirq : 1 ; unsigned char hres_active : 1 ; unsigned char hang_detected : 1 ; ktime_t expires_next ; struct hrtimer *next_timer ; unsigned int nr_events ; unsigned int nr_retries ; unsigned int nr_hangs ; unsigned int max_hang_time ; struct hrtimer_clock_base clock_base[4U] ; }; struct task_io_accounting { u64 rchar ; u64 wchar ; u64 syscr ; u64 syscw ; u64 read_bytes ; u64 write_bytes ; u64 cancelled_write_bytes ; }; struct latency_record { unsigned long backtrace[12U] ; unsigned int count ; unsigned long time ; unsigned long max ; }; struct assoc_array_ptr; struct assoc_array { struct assoc_array_ptr *root ; unsigned long nr_leaves_on_tree ; }; typedef int32_t key_serial_t; typedef uint32_t key_perm_t; struct key; struct signal_struct; struct key_type; struct keyring_index_key { struct key_type *type ; char const *description ; size_t desc_len ; }; union __anonunion____missing_field_name_196 { struct list_head graveyard_link ; struct rb_node serial_node ; }; struct key_user; union __anonunion____missing_field_name_197 { time_t expiry ; time_t revoked_at ; }; struct __anonstruct____missing_field_name_199 { struct key_type *type ; char *description ; }; union __anonunion____missing_field_name_198 { struct keyring_index_key index_key ; struct __anonstruct____missing_field_name_199 __annonCompField52 ; }; union __anonunion_type_data_200 { struct list_head link ; unsigned long x[2U] ; void *p[2U] ; int reject_error ; }; union __anonunion_payload_202 { unsigned long value ; void *rcudata ; void *data ; void *data2[2U] ; }; union __anonunion____missing_field_name_201 { union __anonunion_payload_202 payload ; struct assoc_array keys ; }; struct key { atomic_t usage ; key_serial_t serial ; union __anonunion____missing_field_name_196 __annonCompField50 ; struct rw_semaphore sem ; struct key_user *user ; void *security ; union __anonunion____missing_field_name_197 __annonCompField51 ; time_t last_used_at ; kuid_t uid ; kgid_t gid ; key_perm_t perm ; unsigned short quotalen ; unsigned short datalen ; unsigned long flags ; union __anonunion____missing_field_name_198 __annonCompField53 ; union __anonunion_type_data_200 type_data ; union __anonunion____missing_field_name_201 __annonCompField54 ; }; struct audit_context; struct group_info { atomic_t usage ; int ngroups ; int nblocks ; kgid_t small_block[32U] ; kgid_t *blocks[0U] ; }; struct cred { atomic_t usage ; atomic_t subscribers ; void *put_addr ; unsigned int magic ; kuid_t uid ; kgid_t gid ; kuid_t suid ; kgid_t sgid ; kuid_t euid ; kgid_t egid ; kuid_t fsuid ; kgid_t fsgid ; unsigned int securebits ; kernel_cap_t cap_inheritable ; kernel_cap_t cap_permitted ; kernel_cap_t cap_effective ; kernel_cap_t cap_bset ; unsigned char jit_keyring ; struct key *session_keyring ; struct key *process_keyring ; struct key *thread_keyring ; struct key *request_key_auth ; void *security ; struct user_struct *user ; struct user_namespace *user_ns ; struct group_info *group_info ; struct callback_head rcu ; }; struct percpu_ref; typedef void percpu_ref_func_t(struct percpu_ref * ); struct percpu_ref { atomic_long_t count ; unsigned long percpu_count_ptr ; percpu_ref_func_t *release ; percpu_ref_func_t *confirm_switch ; bool force_atomic ; struct callback_head rcu ; }; struct cgroup; struct cgroup_root; struct cgroup_subsys; struct cgroup_taskset; struct cgroup_subsys_state { struct cgroup *cgroup ; struct cgroup_subsys *ss ; struct percpu_ref refcnt ; struct cgroup_subsys_state *parent ; struct list_head sibling ; struct list_head children ; int id ; unsigned int flags ; u64 serial_nr ; struct callback_head callback_head ; struct work_struct destroy_work ; }; struct css_set { atomic_t refcount ; struct hlist_node hlist ; struct list_head tasks ; struct list_head mg_tasks ; struct list_head cgrp_links ; struct cgroup *dfl_cgrp ; struct cgroup_subsys_state *subsys[12U] ; struct list_head mg_preload_node ; struct list_head mg_node ; struct cgroup *mg_src_cgrp ; struct css_set *mg_dst_cset ; struct list_head e_cset_node[12U] ; struct callback_head callback_head ; }; struct cgroup { struct cgroup_subsys_state self ; unsigned long flags ; int id ; int populated_cnt ; struct kernfs_node *kn ; struct kernfs_node *procs_kn ; struct kernfs_node *populated_kn ; unsigned int subtree_control ; unsigned int child_subsys_mask ; struct cgroup_subsys_state *subsys[12U] ; struct cgroup_root *root ; struct list_head cset_links ; struct list_head e_csets[12U] ; struct list_head pidlists ; struct mutex pidlist_mutex ; wait_queue_head_t offline_waitq ; struct work_struct release_agent_work ; }; struct cgroup_root { struct kernfs_root *kf_root ; unsigned int subsys_mask ; int hierarchy_id ; struct cgroup cgrp ; atomic_t nr_cgrps ; struct list_head root_list ; unsigned int flags ; struct idr cgroup_idr ; char release_agent_path[4096U] ; char name[64U] ; }; struct cftype { char name[64U] ; int private ; umode_t mode ; size_t max_write_len ; unsigned int flags ; struct cgroup_subsys *ss ; struct list_head node ; struct kernfs_ops *kf_ops ; u64 (*read_u64)(struct cgroup_subsys_state * , struct cftype * ) ; s64 (*read_s64)(struct cgroup_subsys_state * , struct cftype * ) ; int (*seq_show)(struct seq_file * , void * ) ; void *(*seq_start)(struct seq_file * , loff_t * ) ; void *(*seq_next)(struct seq_file * , void * , loff_t * ) ; void (*seq_stop)(struct seq_file * , void * ) ; int (*write_u64)(struct cgroup_subsys_state * , struct cftype * , u64 ) ; int (*write_s64)(struct cgroup_subsys_state * , struct cftype * , s64 ) ; ssize_t (*write)(struct kernfs_open_file * , char * , size_t , loff_t ) ; struct lock_class_key lockdep_key ; }; struct cgroup_subsys { struct cgroup_subsys_state *(*css_alloc)(struct cgroup_subsys_state * ) ; int (*css_online)(struct cgroup_subsys_state * ) ; void (*css_offline)(struct cgroup_subsys_state * ) ; void (*css_released)(struct cgroup_subsys_state * ) ; void (*css_free)(struct cgroup_subsys_state * ) ; void (*css_reset)(struct cgroup_subsys_state * ) ; void (*css_e_css_changed)(struct cgroup_subsys_state * ) ; int (*can_attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*cancel_attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*fork)(struct task_struct * ) ; void (*exit)(struct cgroup_subsys_state * , struct cgroup_subsys_state * , struct task_struct * ) ; void (*bind)(struct cgroup_subsys_state * ) ; int disabled ; int early_init ; bool broken_hierarchy ; bool warned_broken_hierarchy ; int id ; char const *name ; struct cgroup_root *root ; struct idr css_idr ; struct list_head cfts ; struct cftype *dfl_cftypes ; struct cftype *legacy_cftypes ; unsigned int depends_on ; }; struct futex_pi_state; struct robust_list_head; struct bio_list; struct fs_struct; struct perf_event_context; struct blk_plug; struct nameidata; struct cfs_rq; struct task_group; struct sighand_struct { atomic_t count ; struct k_sigaction action[64U] ; spinlock_t siglock ; wait_queue_head_t signalfd_wqh ; }; struct pacct_struct { int ac_flag ; long ac_exitcode ; unsigned long ac_mem ; cputime_t ac_utime ; cputime_t ac_stime ; unsigned long ac_minflt ; unsigned long ac_majflt ; }; struct cpu_itimer { cputime_t expires ; cputime_t incr ; u32 error ; u32 incr_error ; }; struct cputime { cputime_t utime ; cputime_t stime ; }; struct task_cputime { cputime_t utime ; cputime_t stime ; unsigned long long sum_exec_runtime ; }; struct task_cputime_atomic { atomic64_t utime ; atomic64_t stime ; atomic64_t sum_exec_runtime ; }; struct thread_group_cputimer { struct task_cputime_atomic cputime_atomic ; int running ; }; struct autogroup; struct tty_struct; struct taskstats; struct tty_audit_buf; struct signal_struct { atomic_t sigcnt ; atomic_t live ; int nr_threads ; struct list_head thread_head ; wait_queue_head_t wait_chldexit ; struct task_struct *curr_target ; struct sigpending shared_pending ; int group_exit_code ; int notify_count ; struct task_struct *group_exit_task ; int group_stop_count ; unsigned int flags ; unsigned char is_child_subreaper : 1 ; unsigned char has_child_subreaper : 1 ; int posix_timer_id ; struct list_head posix_timers ; struct hrtimer real_timer ; struct pid *leader_pid ; ktime_t it_real_incr ; struct cpu_itimer it[2U] ; struct thread_group_cputimer cputimer ; struct task_cputime cputime_expires ; struct list_head cpu_timers[3U] ; struct pid *tty_old_pgrp ; int leader ; struct tty_struct *tty ; struct autogroup *autogroup ; seqlock_t stats_lock ; cputime_t utime ; cputime_t stime ; cputime_t cutime ; cputime_t cstime ; cputime_t gtime ; cputime_t cgtime ; struct cputime prev_cputime ; unsigned long nvcsw ; unsigned long nivcsw ; unsigned long cnvcsw ; unsigned long cnivcsw ; unsigned long min_flt ; unsigned long maj_flt ; unsigned long cmin_flt ; unsigned long cmaj_flt ; unsigned long inblock ; unsigned long oublock ; unsigned long cinblock ; unsigned long coublock ; unsigned long maxrss ; unsigned long cmaxrss ; struct task_io_accounting ioac ; unsigned long long sum_sched_runtime ; struct rlimit rlim[16U] ; struct pacct_struct pacct ; struct taskstats *stats ; unsigned int audit_tty ; unsigned int audit_tty_log_passwd ; struct tty_audit_buf *tty_audit_buf ; oom_flags_t oom_flags ; short oom_score_adj ; short oom_score_adj_min ; struct mutex cred_guard_mutex ; }; struct user_struct { atomic_t __count ; atomic_t processes ; atomic_t sigpending ; atomic_t inotify_watches ; atomic_t inotify_devs ; atomic_t fanotify_listeners ; atomic_long_t epoll_watches ; unsigned long mq_bytes ; unsigned long locked_shm ; struct key *uid_keyring ; struct key *session_keyring ; struct hlist_node uidhash_node ; kuid_t uid ; atomic_long_t locked_vm ; }; struct backing_dev_info; struct reclaim_state; struct sched_info { unsigned long pcount ; unsigned long long run_delay ; unsigned long long last_arrival ; unsigned long long last_queued ; }; struct task_delay_info { spinlock_t lock ; unsigned int flags ; u64 blkio_start ; u64 blkio_delay ; u64 swapin_delay ; u32 blkio_count ; u32 swapin_count ; u64 freepages_start ; u64 freepages_delay ; u32 freepages_count ; }; struct wake_q_node { struct wake_q_node *next ; }; struct io_context; struct pipe_inode_info; struct load_weight { unsigned long weight ; u32 inv_weight ; }; struct sched_avg { u64 last_runnable_update ; s64 decay_count ; unsigned long load_avg_contrib ; unsigned long utilization_avg_contrib ; u32 runnable_avg_sum ; u32 avg_period ; u32 running_avg_sum ; }; struct sched_statistics { u64 wait_start ; u64 wait_max ; u64 wait_count ; u64 wait_sum ; u64 iowait_count ; u64 iowait_sum ; u64 sleep_start ; u64 sleep_max ; s64 sum_sleep_runtime ; u64 block_start ; u64 block_max ; u64 exec_max ; u64 slice_max ; u64 nr_migrations_cold ; u64 nr_failed_migrations_affine ; u64 nr_failed_migrations_running ; u64 nr_failed_migrations_hot ; u64 nr_forced_migrations ; u64 nr_wakeups ; u64 nr_wakeups_sync ; u64 nr_wakeups_migrate ; u64 nr_wakeups_local ; u64 nr_wakeups_remote ; u64 nr_wakeups_affine ; u64 nr_wakeups_affine_attempts ; u64 nr_wakeups_passive ; u64 nr_wakeups_idle ; }; struct sched_entity { struct load_weight load ; struct rb_node run_node ; struct list_head group_node ; unsigned int on_rq ; u64 exec_start ; u64 sum_exec_runtime ; u64 vruntime ; u64 prev_sum_exec_runtime ; u64 nr_migrations ; struct sched_statistics statistics ; int depth ; struct sched_entity *parent ; struct cfs_rq *cfs_rq ; struct cfs_rq *my_q ; struct sched_avg avg ; }; struct rt_rq; struct sched_rt_entity { struct list_head run_list ; unsigned long timeout ; unsigned long watchdog_stamp ; unsigned int time_slice ; struct sched_rt_entity *back ; struct sched_rt_entity *parent ; struct rt_rq *rt_rq ; struct rt_rq *my_q ; }; struct sched_dl_entity { struct rb_node rb_node ; u64 dl_runtime ; u64 dl_deadline ; u64 dl_period ; u64 dl_bw ; s64 runtime ; u64 deadline ; unsigned int flags ; int dl_throttled ; int dl_new ; int dl_boosted ; int dl_yielded ; struct hrtimer dl_timer ; }; struct memcg_oom_info { struct mem_cgroup *memcg ; gfp_t gfp_mask ; int order ; unsigned char may_oom : 1 ; }; struct sched_class; struct files_struct; struct compat_robust_list_head; struct numa_group; struct ftrace_ret_stack; struct task_struct { long volatile state ; void *stack ; atomic_t usage ; unsigned int flags ; unsigned int ptrace ; struct llist_node wake_entry ; int on_cpu ; struct task_struct *last_wakee ; unsigned long wakee_flips ; unsigned long wakee_flip_decay_ts ; int wake_cpu ; int on_rq ; int prio ; int static_prio ; int normal_prio ; unsigned int rt_priority ; struct sched_class const *sched_class ; struct sched_entity se ; struct sched_rt_entity rt ; struct task_group *sched_task_group ; struct sched_dl_entity dl ; struct hlist_head preempt_notifiers ; unsigned int btrace_seq ; unsigned int policy ; int nr_cpus_allowed ; cpumask_t cpus_allowed ; unsigned long rcu_tasks_nvcsw ; bool rcu_tasks_holdout ; struct list_head rcu_tasks_holdout_list ; int rcu_tasks_idle_cpu ; struct sched_info sched_info ; struct list_head tasks ; struct plist_node pushable_tasks ; struct rb_node pushable_dl_tasks ; struct mm_struct *mm ; struct mm_struct *active_mm ; u32 vmacache_seqnum ; struct vm_area_struct *vmacache[4U] ; struct task_rss_stat rss_stat ; int exit_state ; int exit_code ; int exit_signal ; int pdeath_signal ; unsigned long jobctl ; unsigned int personality ; unsigned char in_execve : 1 ; unsigned char in_iowait : 1 ; unsigned char sched_reset_on_fork : 1 ; unsigned char sched_contributes_to_load : 1 ; unsigned char sched_migrated : 1 ; unsigned char memcg_kmem_skip_account : 1 ; unsigned char brk_randomized : 1 ; unsigned long atomic_flags ; struct restart_block restart_block ; pid_t pid ; pid_t tgid ; struct task_struct *real_parent ; struct task_struct *parent ; struct list_head children ; struct list_head sibling ; struct task_struct *group_leader ; struct list_head ptraced ; struct list_head ptrace_entry ; struct pid_link pids[3U] ; struct list_head thread_group ; struct list_head thread_node ; struct completion *vfork_done ; int *set_child_tid ; int *clear_child_tid ; cputime_t utime ; cputime_t stime ; cputime_t utimescaled ; cputime_t stimescaled ; cputime_t gtime ; struct cputime prev_cputime ; unsigned long nvcsw ; unsigned long nivcsw ; u64 start_time ; u64 real_start_time ; unsigned long min_flt ; unsigned long maj_flt ; struct task_cputime cputime_expires ; struct list_head cpu_timers[3U] ; struct cred const *real_cred ; struct cred const *cred ; char comm[16U] ; struct nameidata *nameidata ; struct sysv_sem sysvsem ; struct sysv_shm sysvshm ; unsigned long last_switch_count ; struct thread_struct thread ; struct fs_struct *fs ; struct files_struct *files ; struct nsproxy *nsproxy ; struct signal_struct *signal ; struct sighand_struct *sighand ; sigset_t blocked ; sigset_t real_blocked ; sigset_t saved_sigmask ; struct sigpending pending ; unsigned long sas_ss_sp ; size_t sas_ss_size ; int (*notifier)(void * ) ; void *notifier_data ; sigset_t *notifier_mask ; struct callback_head *task_works ; struct audit_context *audit_context ; kuid_t loginuid ; unsigned int sessionid ; struct seccomp seccomp ; u32 parent_exec_id ; u32 self_exec_id ; spinlock_t alloc_lock ; raw_spinlock_t pi_lock ; struct wake_q_node wake_q ; struct rb_root pi_waiters ; struct rb_node *pi_waiters_leftmost ; struct rt_mutex_waiter *pi_blocked_on ; struct mutex_waiter *blocked_on ; unsigned int irq_events ; unsigned long hardirq_enable_ip ; unsigned long hardirq_disable_ip ; unsigned int hardirq_enable_event ; unsigned int hardirq_disable_event ; int hardirqs_enabled ; int hardirq_context ; unsigned long softirq_disable_ip ; unsigned long softirq_enable_ip ; unsigned int softirq_disable_event ; unsigned int softirq_enable_event ; int softirqs_enabled ; int softirq_context ; u64 curr_chain_key ; int lockdep_depth ; unsigned int lockdep_recursion ; struct held_lock held_locks[48U] ; gfp_t lockdep_reclaim_gfp ; void *journal_info ; struct bio_list *bio_list ; struct blk_plug *plug ; struct reclaim_state *reclaim_state ; struct backing_dev_info *backing_dev_info ; struct io_context *io_context ; unsigned long ptrace_message ; siginfo_t *last_siginfo ; struct task_io_accounting ioac ; u64 acct_rss_mem1 ; u64 acct_vm_mem1 ; cputime_t acct_timexpd ; nodemask_t mems_allowed ; seqcount_t mems_allowed_seq ; int cpuset_mem_spread_rotor ; int cpuset_slab_spread_rotor ; struct css_set *cgroups ; struct list_head cg_list ; struct robust_list_head *robust_list ; struct compat_robust_list_head *compat_robust_list ; struct list_head pi_state_list ; struct futex_pi_state *pi_state_cache ; struct perf_event_context *perf_event_ctxp[2U] ; struct mutex perf_event_mutex ; struct list_head perf_event_list ; struct mempolicy *mempolicy ; short il_next ; short pref_node_fork ; int numa_scan_seq ; unsigned int numa_scan_period ; unsigned int numa_scan_period_max ; int numa_preferred_nid ; unsigned long numa_migrate_retry ; u64 node_stamp ; u64 last_task_numa_placement ; u64 last_sum_exec_runtime ; struct callback_head numa_work ; struct list_head numa_entry ; struct numa_group *numa_group ; unsigned long *numa_faults ; unsigned long total_numa_faults ; unsigned long numa_faults_locality[3U] ; unsigned long numa_pages_migrated ; struct callback_head rcu ; struct pipe_inode_info *splice_pipe ; struct page_frag task_frag ; struct task_delay_info *delays ; int make_it_fail ; int nr_dirtied ; int nr_dirtied_pause ; unsigned long dirty_paused_when ; int latency_record_count ; struct latency_record latency_record[32U] ; unsigned long timer_slack_ns ; unsigned long default_timer_slack_ns ; unsigned int kasan_depth ; int curr_ret_stack ; struct ftrace_ret_stack *ret_stack ; unsigned long long ftrace_timestamp ; atomic_t trace_overrun ; atomic_t tracing_graph_pause ; unsigned long trace ; unsigned long trace_recursion ; struct memcg_oom_info memcg_oom ; struct uprobe_task *utask ; unsigned int sequential_io ; unsigned int sequential_io_avg ; unsigned long task_state_change ; int pagefault_disabled ; }; struct hlist_bl_node; struct hlist_bl_head { struct hlist_bl_node *first ; }; struct hlist_bl_node { struct hlist_bl_node *next ; struct hlist_bl_node **pprev ; }; struct __anonstruct____missing_field_name_220 { spinlock_t lock ; int count ; }; union __anonunion____missing_field_name_219 { struct __anonstruct____missing_field_name_220 __annonCompField58 ; }; struct lockref { union __anonunion____missing_field_name_219 __annonCompField59 ; }; struct path; struct vfsmount; struct __anonstruct____missing_field_name_222 { u32 hash ; u32 len ; }; union __anonunion____missing_field_name_221 { struct __anonstruct____missing_field_name_222 __annonCompField60 ; u64 hash_len ; }; struct qstr { union __anonunion____missing_field_name_221 __annonCompField61 ; unsigned char const *name ; }; struct dentry_operations; union __anonunion_d_u_223 { struct hlist_node d_alias ; struct callback_head d_rcu ; }; struct dentry { unsigned int d_flags ; seqcount_t d_seq ; struct hlist_bl_node d_hash ; struct dentry *d_parent ; struct qstr d_name ; struct inode *d_inode ; unsigned char d_iname[32U] ; struct lockref d_lockref ; struct dentry_operations const *d_op ; struct super_block *d_sb ; unsigned long d_time ; void *d_fsdata ; struct list_head d_lru ; struct list_head d_child ; struct list_head d_subdirs ; union __anonunion_d_u_223 d_u ; }; struct dentry_operations { int (*d_revalidate)(struct dentry * , unsigned int ) ; int (*d_weak_revalidate)(struct dentry * , unsigned int ) ; int (*d_hash)(struct dentry const * , struct qstr * ) ; int (*d_compare)(struct dentry const * , struct dentry const * , unsigned int , char const * , struct qstr const * ) ; int (*d_delete)(struct dentry const * ) ; void (*d_release)(struct dentry * ) ; void (*d_prune)(struct dentry * ) ; void (*d_iput)(struct dentry * , struct inode * ) ; char *(*d_dname)(struct dentry * , char * , int ) ; struct vfsmount *(*d_automount)(struct path * ) ; int (*d_manage)(struct dentry * , bool ) ; struct inode *(*d_select_inode)(struct dentry * , unsigned int ) ; }; struct path { struct vfsmount *mnt ; struct dentry *dentry ; }; struct shrink_control { gfp_t gfp_mask ; unsigned long nr_to_scan ; int nid ; struct mem_cgroup *memcg ; }; struct shrinker { unsigned long (*count_objects)(struct shrinker * , struct shrink_control * ) ; unsigned long (*scan_objects)(struct shrinker * , struct shrink_control * ) ; int seeks ; long batch ; unsigned long flags ; struct list_head list ; atomic_long_t *nr_deferred ; }; struct list_lru_one { struct list_head list ; long nr_items ; }; struct list_lru_memcg { struct list_lru_one *lru[0U] ; }; struct list_lru_node { spinlock_t lock ; struct list_lru_one lru ; struct list_lru_memcg *memcg_lrus ; }; struct list_lru { struct list_lru_node *node ; struct list_head list ; }; struct __anonstruct____missing_field_name_227 { struct radix_tree_node *parent ; void *private_data ; }; union __anonunion____missing_field_name_226 { struct __anonstruct____missing_field_name_227 __annonCompField62 ; struct callback_head callback_head ; }; struct radix_tree_node { unsigned int path ; unsigned int count ; union __anonunion____missing_field_name_226 __annonCompField63 ; struct list_head private_list ; void *slots[64U] ; unsigned long tags[3U][1U] ; }; struct radix_tree_root { unsigned int height ; gfp_t gfp_mask ; struct radix_tree_node *rnode ; }; struct fiemap_extent { __u64 fe_logical ; __u64 fe_physical ; __u64 fe_length ; __u64 fe_reserved64[2U] ; __u32 fe_flags ; __u32 fe_reserved[3U] ; }; enum migrate_mode { MIGRATE_ASYNC = 0, MIGRATE_SYNC_LIGHT = 1, MIGRATE_SYNC = 2 } ; struct bio_set; struct bio; struct bio_integrity_payload; struct block_device; typedef void bio_end_io_t(struct bio * , int ); struct bio_vec { struct page *bv_page ; unsigned int bv_len ; unsigned int bv_offset ; }; struct bvec_iter { sector_t bi_sector ; unsigned int bi_size ; unsigned int bi_idx ; unsigned int bi_bvec_done ; }; union __anonunion____missing_field_name_230 { struct bio_integrity_payload *bi_integrity ; }; struct bio { struct bio *bi_next ; struct block_device *bi_bdev ; unsigned long bi_flags ; unsigned long bi_rw ; struct bvec_iter bi_iter ; unsigned int bi_phys_segments ; unsigned int bi_seg_front_size ; unsigned int bi_seg_back_size ; atomic_t __bi_remaining ; bio_end_io_t *bi_end_io ; void *bi_private ; struct io_context *bi_ioc ; struct cgroup_subsys_state *bi_css ; union __anonunion____missing_field_name_230 __annonCompField64 ; unsigned short bi_vcnt ; unsigned short bi_max_vecs ; atomic_t __bi_cnt ; struct bio_vec *bi_io_vec ; struct bio_set *bi_pool ; struct bio_vec bi_inline_vecs[0U] ; }; struct bdi_writeback; struct export_operations; struct hd_geometry; struct kiocb; struct poll_table_struct; struct kstatfs; struct swap_info_struct; struct iov_iter; struct vm_fault; struct iattr { unsigned int ia_valid ; umode_t ia_mode ; kuid_t ia_uid ; kgid_t ia_gid ; loff_t ia_size ; struct timespec ia_atime ; struct timespec ia_mtime ; struct timespec ia_ctime ; struct file *ia_file ; }; struct dquot; typedef __kernel_uid32_t projid_t; struct __anonstruct_kprojid_t_231 { projid_t val ; }; typedef struct __anonstruct_kprojid_t_231 kprojid_t; enum quota_type { USRQUOTA = 0, GRPQUOTA = 1, PRJQUOTA = 2 } ; typedef long long qsize_t; union __anonunion____missing_field_name_232 { kuid_t uid ; kgid_t gid ; kprojid_t projid ; }; struct kqid { union __anonunion____missing_field_name_232 __annonCompField65 ; enum quota_type type ; }; struct mem_dqblk { qsize_t dqb_bhardlimit ; qsize_t dqb_bsoftlimit ; qsize_t dqb_curspace ; qsize_t dqb_rsvspace ; qsize_t dqb_ihardlimit ; qsize_t dqb_isoftlimit ; qsize_t dqb_curinodes ; time_t dqb_btime ; time_t dqb_itime ; }; struct quota_format_type; struct mem_dqinfo { struct quota_format_type *dqi_format ; int dqi_fmt_id ; struct list_head dqi_dirty_list ; unsigned long dqi_flags ; unsigned int dqi_bgrace ; unsigned int dqi_igrace ; qsize_t dqi_max_spc_limit ; qsize_t dqi_max_ino_limit ; void *dqi_priv ; }; struct dquot { struct hlist_node dq_hash ; struct list_head dq_inuse ; struct list_head dq_free ; struct list_head dq_dirty ; struct mutex dq_lock ; atomic_t dq_count ; wait_queue_head_t dq_wait_unused ; struct super_block *dq_sb ; struct kqid dq_id ; loff_t dq_off ; unsigned long dq_flags ; struct mem_dqblk dq_dqb ; }; struct quota_format_ops { int (*check_quota_file)(struct super_block * , int ) ; int (*read_file_info)(struct super_block * , int ) ; int (*write_file_info)(struct super_block * , int ) ; int (*free_file_info)(struct super_block * , int ) ; int (*read_dqblk)(struct dquot * ) ; int (*commit_dqblk)(struct dquot * ) ; int (*release_dqblk)(struct dquot * ) ; }; struct dquot_operations { int (*write_dquot)(struct dquot * ) ; struct dquot *(*alloc_dquot)(struct super_block * , int ) ; void (*destroy_dquot)(struct dquot * ) ; int (*acquire_dquot)(struct dquot * ) ; int (*release_dquot)(struct dquot * ) ; int (*mark_dirty)(struct dquot * ) ; int (*write_info)(struct super_block * , int ) ; qsize_t *(*get_reserved_space)(struct inode * ) ; int (*get_projid)(struct inode * , kprojid_t * ) ; }; struct qc_dqblk { int d_fieldmask ; u64 d_spc_hardlimit ; u64 d_spc_softlimit ; u64 d_ino_hardlimit ; u64 d_ino_softlimit ; u64 d_space ; u64 d_ino_count ; s64 d_ino_timer ; s64 d_spc_timer ; int d_ino_warns ; int d_spc_warns ; u64 d_rt_spc_hardlimit ; u64 d_rt_spc_softlimit ; u64 d_rt_space ; s64 d_rt_spc_timer ; int d_rt_spc_warns ; }; struct qc_type_state { unsigned int flags ; unsigned int spc_timelimit ; unsigned int ino_timelimit ; unsigned int rt_spc_timelimit ; unsigned int spc_warnlimit ; unsigned int ino_warnlimit ; unsigned int rt_spc_warnlimit ; unsigned long long ino ; blkcnt_t blocks ; blkcnt_t nextents ; }; struct qc_state { unsigned int s_incoredqs ; struct qc_type_state s_state[3U] ; }; struct qc_info { int i_fieldmask ; unsigned int i_flags ; unsigned int i_spc_timelimit ; unsigned int i_ino_timelimit ; unsigned int i_rt_spc_timelimit ; unsigned int i_spc_warnlimit ; unsigned int i_ino_warnlimit ; unsigned int i_rt_spc_warnlimit ; }; struct quotactl_ops { int (*quota_on)(struct super_block * , int , int , struct path * ) ; int (*quota_off)(struct super_block * , int ) ; int (*quota_enable)(struct super_block * , unsigned int ) ; int (*quota_disable)(struct super_block * , unsigned int ) ; int (*quota_sync)(struct super_block * , int ) ; int (*set_info)(struct super_block * , int , struct qc_info * ) ; int (*get_dqblk)(struct super_block * , struct kqid , struct qc_dqblk * ) ; int (*set_dqblk)(struct super_block * , struct kqid , struct qc_dqblk * ) ; int (*get_state)(struct super_block * , struct qc_state * ) ; int (*rm_xquota)(struct super_block * , unsigned int ) ; }; struct quota_format_type { int qf_fmt_id ; struct quota_format_ops const *qf_ops ; struct module *qf_owner ; struct quota_format_type *qf_next ; }; struct quota_info { unsigned int flags ; struct mutex dqio_mutex ; struct mutex dqonoff_mutex ; struct inode *files[3U] ; struct mem_dqinfo info[3U] ; struct quota_format_ops const *ops[3U] ; }; struct writeback_control; struct kiocb { struct file *ki_filp ; loff_t ki_pos ; void (*ki_complete)(struct kiocb * , long , long ) ; void *private ; int ki_flags ; }; struct address_space_operations { int (*writepage)(struct page * , struct writeback_control * ) ; int (*readpage)(struct file * , struct page * ) ; int (*writepages)(struct address_space * , struct writeback_control * ) ; int (*set_page_dirty)(struct page * ) ; int (*readpages)(struct file * , struct address_space * , struct list_head * , unsigned int ) ; int (*write_begin)(struct file * , struct address_space * , loff_t , unsigned int , unsigned int , struct page ** , void ** ) ; int (*write_end)(struct file * , struct address_space * , loff_t , unsigned int , unsigned int , struct page * , void * ) ; sector_t (*bmap)(struct address_space * , sector_t ) ; void (*invalidatepage)(struct page * , unsigned int , unsigned int ) ; int (*releasepage)(struct page * , gfp_t ) ; void (*freepage)(struct page * ) ; ssize_t (*direct_IO)(struct kiocb * , struct iov_iter * , loff_t ) ; int (*migratepage)(struct address_space * , struct page * , struct page * , enum migrate_mode ) ; int (*launder_page)(struct page * ) ; int (*is_partially_uptodate)(struct page * , unsigned long , unsigned long ) ; void (*is_dirty_writeback)(struct page * , bool * , bool * ) ; int (*error_remove_page)(struct address_space * , struct page * ) ; int (*swap_activate)(struct swap_info_struct * , struct file * , sector_t * ) ; void (*swap_deactivate)(struct file * ) ; }; struct address_space { struct inode *host ; struct radix_tree_root page_tree ; spinlock_t tree_lock ; atomic_t i_mmap_writable ; struct rb_root i_mmap ; struct rw_semaphore i_mmap_rwsem ; unsigned long nrpages ; unsigned long nrshadows ; unsigned long writeback_index ; struct address_space_operations const *a_ops ; unsigned long flags ; spinlock_t private_lock ; struct list_head private_list ; void *private_data ; }; struct request_queue; struct hd_struct; struct gendisk; struct block_device { dev_t bd_dev ; int bd_openers ; struct inode *bd_inode ; struct super_block *bd_super ; struct mutex bd_mutex ; struct list_head bd_inodes ; void *bd_claiming ; void *bd_holder ; int bd_holders ; bool bd_write_holder ; struct list_head bd_holder_disks ; struct block_device *bd_contains ; unsigned int bd_block_size ; struct hd_struct *bd_part ; unsigned int bd_part_count ; int bd_invalidated ; struct gendisk *bd_disk ; struct request_queue *bd_queue ; struct list_head bd_list ; unsigned long bd_private ; int bd_fsfreeze_count ; struct mutex bd_fsfreeze_mutex ; }; struct posix_acl; struct inode_operations; union __anonunion____missing_field_name_235 { unsigned int const i_nlink ; unsigned int __i_nlink ; }; union __anonunion____missing_field_name_236 { struct hlist_head i_dentry ; struct callback_head i_rcu ; }; struct file_lock_context; struct cdev; union __anonunion____missing_field_name_237 { struct pipe_inode_info *i_pipe ; struct block_device *i_bdev ; struct cdev *i_cdev ; char *i_link ; }; struct inode { umode_t i_mode ; unsigned short i_opflags ; kuid_t i_uid ; kgid_t i_gid ; unsigned int i_flags ; struct posix_acl *i_acl ; struct posix_acl *i_default_acl ; struct inode_operations const *i_op ; struct super_block *i_sb ; struct address_space *i_mapping ; void *i_security ; unsigned long i_ino ; union __anonunion____missing_field_name_235 __annonCompField66 ; dev_t i_rdev ; loff_t i_size ; struct timespec i_atime ; struct timespec i_mtime ; struct timespec i_ctime ; spinlock_t i_lock ; unsigned short i_bytes ; unsigned int i_blkbits ; blkcnt_t i_blocks ; unsigned long i_state ; struct mutex i_mutex ; unsigned long dirtied_when ; unsigned long dirtied_time_when ; struct hlist_node i_hash ; struct list_head i_wb_list ; struct bdi_writeback *i_wb ; int i_wb_frn_winner ; u16 i_wb_frn_avg_time ; u16 i_wb_frn_history ; struct list_head i_lru ; struct list_head i_sb_list ; union __anonunion____missing_field_name_236 __annonCompField67 ; u64 i_version ; atomic_t i_count ; atomic_t i_dio_count ; atomic_t i_writecount ; atomic_t i_readcount ; struct file_operations const *i_fop ; struct file_lock_context *i_flctx ; struct address_space i_data ; struct list_head i_devices ; union __anonunion____missing_field_name_237 __annonCompField68 ; __u32 i_generation ; __u32 i_fsnotify_mask ; struct hlist_head i_fsnotify_marks ; void *i_private ; }; struct fown_struct { rwlock_t lock ; struct pid *pid ; enum pid_type pid_type ; kuid_t uid ; kuid_t euid ; int signum ; }; struct file_ra_state { unsigned long start ; unsigned int size ; unsigned int async_size ; unsigned int ra_pages ; unsigned int mmap_miss ; loff_t prev_pos ; }; union __anonunion_f_u_238 { struct llist_node fu_llist ; struct callback_head fu_rcuhead ; }; struct file { union __anonunion_f_u_238 f_u ; struct path f_path ; struct inode *f_inode ; struct file_operations const *f_op ; spinlock_t f_lock ; atomic_long_t f_count ; unsigned int f_flags ; fmode_t f_mode ; struct mutex f_pos_lock ; loff_t f_pos ; struct fown_struct f_owner ; struct cred const *f_cred ; struct file_ra_state f_ra ; u64 f_version ; void *f_security ; void *private_data ; struct list_head f_ep_links ; struct list_head f_tfile_llink ; struct address_space *f_mapping ; }; typedef void *fl_owner_t; struct file_lock; struct file_lock_operations { void (*fl_copy_lock)(struct file_lock * , struct file_lock * ) ; void (*fl_release_private)(struct file_lock * ) ; }; struct lock_manager_operations { int (*lm_compare_owner)(struct file_lock * , struct file_lock * ) ; unsigned long (*lm_owner_key)(struct file_lock * ) ; fl_owner_t (*lm_get_owner)(fl_owner_t ) ; void (*lm_put_owner)(fl_owner_t ) ; void (*lm_notify)(struct file_lock * ) ; int (*lm_grant)(struct file_lock * , int ) ; bool (*lm_break)(struct file_lock * ) ; int (*lm_change)(struct file_lock * , int , struct list_head * ) ; void (*lm_setup)(struct file_lock * , void ** ) ; }; struct nlm_lockowner; struct nfs_lock_info { u32 state ; struct nlm_lockowner *owner ; struct list_head list ; }; struct nfs4_lock_state; struct nfs4_lock_info { struct nfs4_lock_state *owner ; }; struct fasync_struct; struct __anonstruct_afs_240 { struct list_head link ; int state ; }; union __anonunion_fl_u_239 { struct nfs_lock_info nfs_fl ; struct nfs4_lock_info nfs4_fl ; struct __anonstruct_afs_240 afs ; }; struct file_lock { struct file_lock *fl_next ; struct list_head fl_list ; struct hlist_node fl_link ; struct list_head fl_block ; fl_owner_t fl_owner ; unsigned int fl_flags ; unsigned char fl_type ; unsigned int fl_pid ; int fl_link_cpu ; struct pid *fl_nspid ; wait_queue_head_t fl_wait ; struct file *fl_file ; loff_t fl_start ; loff_t fl_end ; struct fasync_struct *fl_fasync ; unsigned long fl_break_time ; unsigned long fl_downgrade_time ; struct file_lock_operations const *fl_ops ; struct lock_manager_operations const *fl_lmops ; union __anonunion_fl_u_239 fl_u ; }; struct file_lock_context { spinlock_t flc_lock ; struct list_head flc_flock ; struct list_head flc_posix ; struct list_head flc_lease ; }; struct fasync_struct { spinlock_t fa_lock ; int magic ; int fa_fd ; struct fasync_struct *fa_next ; struct file *fa_file ; struct callback_head fa_rcu ; }; struct sb_writers { struct percpu_counter counter[3U] ; wait_queue_head_t wait ; int frozen ; wait_queue_head_t wait_unfrozen ; struct lockdep_map lock_map[3U] ; }; struct super_operations; struct xattr_handler; struct mtd_info; struct super_block { struct list_head s_list ; dev_t s_dev ; unsigned char s_blocksize_bits ; unsigned long s_blocksize ; loff_t s_maxbytes ; struct file_system_type *s_type ; struct super_operations const *s_op ; struct dquot_operations const *dq_op ; struct quotactl_ops const *s_qcop ; struct export_operations const *s_export_op ; unsigned long s_flags ; unsigned long s_iflags ; unsigned long s_magic ; struct dentry *s_root ; struct rw_semaphore s_umount ; int s_count ; atomic_t s_active ; void *s_security ; struct xattr_handler const **s_xattr ; struct list_head s_inodes ; struct hlist_bl_head s_anon ; struct list_head s_mounts ; struct block_device *s_bdev ; struct backing_dev_info *s_bdi ; struct mtd_info *s_mtd ; struct hlist_node s_instances ; unsigned int s_quota_types ; struct quota_info s_dquot ; struct sb_writers s_writers ; char s_id[32U] ; u8 s_uuid[16U] ; void *s_fs_info ; unsigned int s_max_links ; fmode_t s_mode ; u32 s_time_gran ; struct mutex s_vfs_rename_mutex ; char *s_subtype ; char *s_options ; struct dentry_operations const *s_d_op ; int cleancache_poolid ; struct shrinker s_shrink ; atomic_long_t s_remove_count ; int s_readonly_remount ; struct workqueue_struct *s_dio_done_wq ; struct hlist_head s_pins ; struct list_lru s_dentry_lru ; struct list_lru s_inode_lru ; struct callback_head rcu ; int s_stack_depth ; }; struct fiemap_extent_info { unsigned int fi_flags ; unsigned int fi_extents_mapped ; unsigned int fi_extents_max ; struct fiemap_extent *fi_extents_start ; }; struct dir_context; struct dir_context { int (*actor)(struct dir_context * , char const * , int , loff_t , u64 , unsigned int ) ; loff_t pos ; }; struct block_device_operations; struct file_operations { struct module *owner ; loff_t (*llseek)(struct file * , loff_t , int ) ; ssize_t (*read)(struct file * , char * , size_t , loff_t * ) ; ssize_t (*write)(struct file * , char const * , size_t , loff_t * ) ; ssize_t (*read_iter)(struct kiocb * , struct iov_iter * ) ; ssize_t (*write_iter)(struct kiocb * , struct iov_iter * ) ; int (*iterate)(struct file * , struct dir_context * ) ; unsigned int (*poll)(struct file * , struct poll_table_struct * ) ; long (*unlocked_ioctl)(struct file * , unsigned int , unsigned long ) ; long (*compat_ioctl)(struct file * , unsigned int , unsigned long ) ; int (*mmap)(struct file * , struct vm_area_struct * ) ; int (*mremap)(struct file * , struct vm_area_struct * ) ; int (*open)(struct inode * , struct file * ) ; int (*flush)(struct file * , fl_owner_t ) ; int (*release)(struct inode * , struct file * ) ; int (*fsync)(struct file * , loff_t , loff_t , int ) ; int (*aio_fsync)(struct kiocb * , int ) ; int (*fasync)(int , struct file * , int ) ; int (*lock)(struct file * , int , struct file_lock * ) ; ssize_t (*sendpage)(struct file * , struct page * , int , size_t , loff_t * , int ) ; unsigned long (*get_unmapped_area)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ) ; int (*check_flags)(int ) ; int (*flock)(struct file * , int , struct file_lock * ) ; ssize_t (*splice_write)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ) ; ssize_t (*splice_read)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ) ; int (*setlease)(struct file * , long , struct file_lock ** , void ** ) ; long (*fallocate)(struct file * , int , loff_t , loff_t ) ; void (*show_fdinfo)(struct seq_file * , struct file * ) ; }; struct inode_operations { struct dentry *(*lookup)(struct inode * , struct dentry * , unsigned int ) ; char const *(*follow_link)(struct dentry * , void ** ) ; int (*permission)(struct inode * , int ) ; struct posix_acl *(*get_acl)(struct inode * , int ) ; int (*readlink)(struct dentry * , char * , int ) ; void (*put_link)(struct inode * , void * ) ; int (*create)(struct inode * , struct dentry * , umode_t , bool ) ; int (*link)(struct dentry * , struct inode * , struct dentry * ) ; int (*unlink)(struct inode * , struct dentry * ) ; int (*symlink)(struct inode * , struct dentry * , char const * ) ; int (*mkdir)(struct inode * , struct dentry * , umode_t ) ; int (*rmdir)(struct inode * , struct dentry * ) ; int (*mknod)(struct inode * , struct dentry * , umode_t , dev_t ) ; int (*rename)(struct inode * , struct dentry * , struct inode * , struct dentry * ) ; int (*rename2)(struct inode * , struct dentry * , struct inode * , struct dentry * , unsigned int ) ; int (*setattr)(struct dentry * , struct iattr * ) ; int (*getattr)(struct vfsmount * , struct dentry * , struct kstat * ) ; int (*setxattr)(struct dentry * , char const * , void const * , size_t , int ) ; ssize_t (*getxattr)(struct dentry * , char const * , void * , size_t ) ; ssize_t (*listxattr)(struct dentry * , char * , size_t ) ; int (*removexattr)(struct dentry * , char const * ) ; int (*fiemap)(struct inode * , struct fiemap_extent_info * , u64 , u64 ) ; int (*update_time)(struct inode * , struct timespec * , int ) ; int (*atomic_open)(struct inode * , struct dentry * , struct file * , unsigned int , umode_t , int * ) ; int (*tmpfile)(struct inode * , struct dentry * , umode_t ) ; int (*set_acl)(struct inode * , struct posix_acl * , int ) ; }; struct super_operations { struct inode *(*alloc_inode)(struct super_block * ) ; void (*destroy_inode)(struct inode * ) ; void (*dirty_inode)(struct inode * , int ) ; int (*write_inode)(struct inode * , struct writeback_control * ) ; int (*drop_inode)(struct inode * ) ; void (*evict_inode)(struct inode * ) ; void (*put_super)(struct super_block * ) ; int (*sync_fs)(struct super_block * , int ) ; int (*freeze_super)(struct super_block * ) ; int (*freeze_fs)(struct super_block * ) ; int (*thaw_super)(struct super_block * ) ; int (*unfreeze_fs)(struct super_block * ) ; int (*statfs)(struct dentry * , struct kstatfs * ) ; int (*remount_fs)(struct super_block * , int * , char * ) ; void (*umount_begin)(struct super_block * ) ; int (*show_options)(struct seq_file * , struct dentry * ) ; int (*show_devname)(struct seq_file * , struct dentry * ) ; int (*show_path)(struct seq_file * , struct dentry * ) ; int (*show_stats)(struct seq_file * , struct dentry * ) ; ssize_t (*quota_read)(struct super_block * , int , char * , size_t , loff_t ) ; ssize_t (*quota_write)(struct super_block * , int , char const * , size_t , loff_t ) ; struct dquot **(*get_dquots)(struct inode * ) ; int (*bdev_try_to_free_page)(struct super_block * , struct page * , gfp_t ) ; long (*nr_cached_objects)(struct super_block * , struct shrink_control * ) ; long (*free_cached_objects)(struct super_block * , struct shrink_control * ) ; }; struct file_system_type { char const *name ; int fs_flags ; struct dentry *(*mount)(struct file_system_type * , int , char const * , void * ) ; void (*kill_sb)(struct super_block * ) ; struct module *owner ; struct file_system_type *next ; struct hlist_head fs_supers ; struct lock_class_key s_lock_key ; struct lock_class_key s_umount_key ; struct lock_class_key s_vfs_rename_key ; struct lock_class_key s_writers_key[3U] ; struct lock_class_key i_lock_key ; struct lock_class_key i_mutex_key ; struct lock_class_key i_mutex_dir_key ; }; struct vm_fault { unsigned int flags ; unsigned long pgoff ; void *virtual_address ; struct page *cow_page ; struct page *page ; unsigned long max_pgoff ; pte_t *pte ; }; struct vm_operations_struct { void (*open)(struct vm_area_struct * ) ; void (*close)(struct vm_area_struct * ) ; int (*fault)(struct vm_area_struct * , struct vm_fault * ) ; void (*map_pages)(struct vm_area_struct * , struct vm_fault * ) ; int (*page_mkwrite)(struct vm_area_struct * , struct vm_fault * ) ; int (*pfn_mkwrite)(struct vm_area_struct * , struct vm_fault * ) ; int (*access)(struct vm_area_struct * , unsigned long , void * , int , int ) ; char const *(*name)(struct vm_area_struct * ) ; int (*set_policy)(struct vm_area_struct * , struct mempolicy * ) ; struct mempolicy *(*get_policy)(struct vm_area_struct * , unsigned long ) ; struct page *(*find_special_page)(struct vm_area_struct * , unsigned long ) ; }; struct exception_table_entry { int insn ; int fixup ; }; typedef void *mempool_alloc_t(gfp_t , void * ); typedef void mempool_free_t(void * , void * ); struct mempool_s { spinlock_t lock ; int min_nr ; int curr_nr ; void **elements ; void *pool_data ; mempool_alloc_t *alloc ; mempool_free_t *free ; wait_queue_head_t wait ; }; typedef struct mempool_s mempool_t; union __anonunion____missing_field_name_249 { struct list_head q_node ; struct kmem_cache *__rcu_icq_cache ; }; union __anonunion____missing_field_name_250 { struct hlist_node ioc_node ; struct callback_head __rcu_head ; }; struct io_cq { struct request_queue *q ; struct io_context *ioc ; union __anonunion____missing_field_name_249 __annonCompField76 ; union __anonunion____missing_field_name_250 __annonCompField77 ; unsigned int flags ; }; struct io_context { atomic_long_t refcount ; atomic_t active_ref ; atomic_t nr_tasks ; spinlock_t lock ; unsigned short ioprio ; int nr_batch_requests ; unsigned long last_waited ; struct radix_tree_root icq_tree ; struct io_cq *icq_hint ; struct hlist_head icq_list ; struct work_struct release_work ; }; struct bio_integrity_payload { struct bio *bip_bio ; struct bvec_iter bip_iter ; bio_end_io_t *bip_end_io ; unsigned short bip_slab ; unsigned short bip_vcnt ; unsigned short bip_max_vcnt ; unsigned short bip_flags ; struct work_struct bip_work ; struct bio_vec *bip_vec ; struct bio_vec bip_inline_vecs[0U] ; }; struct bio_list { struct bio *head ; struct bio *tail ; }; struct bio_set { struct kmem_cache *bio_slab ; unsigned int front_pad ; mempool_t *bio_pool ; mempool_t *bvec_pool ; mempool_t *bio_integrity_pool ; mempool_t *bvec_integrity_pool ; spinlock_t rescue_lock ; struct bio_list rescue_list ; struct work_struct rescue_work ; struct workqueue_struct *rescue_workqueue ; }; struct device_type; struct class; struct klist_node; struct klist_node { void *n_klist ; struct list_head n_node ; struct kref n_ref ; }; struct seq_file { char *buf ; size_t size ; size_t from ; size_t count ; size_t pad_until ; loff_t index ; loff_t read_pos ; u64 version ; struct mutex lock ; struct seq_operations const *op ; int poll_event ; struct user_namespace *user_ns ; void *private ; }; struct seq_operations { void *(*start)(struct seq_file * , loff_t * ) ; void (*stop)(struct seq_file * , void * ) ; void *(*next)(struct seq_file * , void * , loff_t * ) ; int (*show)(struct seq_file * , void * ) ; }; struct pinctrl; struct pinctrl_state; struct dev_pin_info { struct pinctrl *p ; struct pinctrl_state *default_state ; struct pinctrl_state *sleep_state ; struct pinctrl_state *idle_state ; }; struct dma_map_ops; struct dev_archdata { struct dma_map_ops *dma_ops ; void *iommu ; }; struct device_private; struct device_driver; struct driver_private; struct subsys_private; struct bus_type; struct device_node; struct fwnode_handle; struct iommu_ops; struct iommu_group; struct device_attribute; struct bus_type { char const *name ; char const *dev_name ; struct device *dev_root ; struct device_attribute *dev_attrs ; struct attribute_group const **bus_groups ; struct attribute_group const **dev_groups ; struct attribute_group const **drv_groups ; int (*match)(struct device * , struct device_driver * ) ; int (*uevent)(struct device * , struct kobj_uevent_env * ) ; int (*probe)(struct device * ) ; int (*remove)(struct device * ) ; void (*shutdown)(struct device * ) ; int (*online)(struct device * ) ; int (*offline)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct dev_pm_ops const *pm ; struct iommu_ops const *iommu_ops ; struct subsys_private *p ; struct lock_class_key lock_key ; }; enum probe_type { PROBE_DEFAULT_STRATEGY = 0, PROBE_PREFER_ASYNCHRONOUS = 1, PROBE_FORCE_SYNCHRONOUS = 2 } ; struct of_device_id; struct acpi_device_id; struct device_driver { char const *name ; struct bus_type *bus ; struct module *owner ; char const *mod_name ; bool suppress_bind_attrs ; enum probe_type probe_type ; struct of_device_id const *of_match_table ; struct acpi_device_id const *acpi_match_table ; int (*probe)(struct device * ) ; int (*remove)(struct device * ) ; void (*shutdown)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct attribute_group const **groups ; struct dev_pm_ops const *pm ; struct driver_private *p ; }; struct class_attribute; struct class { char const *name ; struct module *owner ; struct class_attribute *class_attrs ; struct attribute_group const **dev_groups ; struct kobject *dev_kobj ; int (*dev_uevent)(struct device * , struct kobj_uevent_env * ) ; char *(*devnode)(struct device * , umode_t * ) ; void (*class_release)(struct class * ) ; void (*dev_release)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct kobj_ns_type_operations const *ns_type ; void const *(*namespace)(struct device * ) ; struct dev_pm_ops const *pm ; struct subsys_private *p ; }; struct class_attribute { struct attribute attr ; ssize_t (*show)(struct class * , struct class_attribute * , char * ) ; ssize_t (*store)(struct class * , struct class_attribute * , char const * , size_t ) ; }; struct device_type { char const *name ; struct attribute_group const **groups ; int (*uevent)(struct device * , struct kobj_uevent_env * ) ; char *(*devnode)(struct device * , umode_t * , kuid_t * , kgid_t * ) ; void (*release)(struct device * ) ; struct dev_pm_ops const *pm ; }; struct device_attribute { struct attribute attr ; ssize_t (*show)(struct device * , struct device_attribute * , char * ) ; ssize_t (*store)(struct device * , struct device_attribute * , char const * , size_t ) ; }; struct device_dma_parameters { unsigned int max_segment_size ; unsigned long segment_boundary_mask ; }; struct dma_coherent_mem; struct cma; struct device { struct device *parent ; struct device_private *p ; struct kobject kobj ; char const *init_name ; struct device_type const *type ; struct mutex mutex ; struct bus_type *bus ; struct device_driver *driver ; void *platform_data ; void *driver_data ; struct dev_pm_info power ; struct dev_pm_domain *pm_domain ; struct dev_pin_info *pins ; int numa_node ; u64 *dma_mask ; u64 coherent_dma_mask ; unsigned long dma_pfn_offset ; struct device_dma_parameters *dma_parms ; struct list_head dma_pools ; struct dma_coherent_mem *dma_mem ; struct cma *cma_area ; struct dev_archdata archdata ; struct device_node *of_node ; struct fwnode_handle *fwnode ; dev_t devt ; u32 id ; spinlock_t devres_lock ; struct list_head devres_head ; struct klist_node knode_class ; struct class *class ; struct attribute_group const **groups ; void (*release)(struct device * ) ; struct iommu_group *iommu_group ; bool offline_disabled ; bool offline ; }; struct wakeup_source { char const *name ; struct list_head entry ; spinlock_t lock ; struct wake_irq *wakeirq ; struct timer_list timer ; unsigned long timer_expires ; ktime_t total_time ; ktime_t max_time ; ktime_t last_time ; ktime_t start_prevent_time ; ktime_t prevent_sleep_time ; unsigned long event_count ; unsigned long active_count ; unsigned long relax_count ; unsigned long expire_count ; unsigned long wakeup_count ; bool active ; bool autosleep_enabled ; }; struct disk_stats { unsigned long sectors[2U] ; unsigned long ios[2U] ; unsigned long merges[2U] ; unsigned long ticks[2U] ; unsigned long io_ticks ; unsigned long time_in_queue ; }; struct partition_meta_info { char uuid[37U] ; u8 volname[64U] ; }; struct hd_struct { sector_t start_sect ; sector_t nr_sects ; seqcount_t nr_sects_seq ; sector_t alignment_offset ; unsigned int discard_alignment ; struct device __dev ; struct kobject *holder_dir ; int policy ; int partno ; struct partition_meta_info *info ; int make_it_fail ; unsigned long stamp ; atomic_t in_flight[2U] ; struct disk_stats *dkstats ; atomic_t ref ; struct callback_head callback_head ; }; struct disk_part_tbl { struct callback_head callback_head ; int len ; struct hd_struct *last_lookup ; struct hd_struct *part[] ; }; struct disk_events; struct timer_rand_state; struct blk_integrity; struct gendisk { int major ; int first_minor ; int minors ; char disk_name[32U] ; char *(*devnode)(struct gendisk * , umode_t * ) ; unsigned int events ; unsigned int async_events ; struct disk_part_tbl *part_tbl ; struct hd_struct part0 ; struct block_device_operations const *fops ; struct request_queue *queue ; void *private_data ; int flags ; struct device *driverfs_dev ; struct kobject *slave_dir ; struct timer_rand_state *random ; atomic_t sync_io ; struct disk_events *ev ; struct blk_integrity *integrity ; int node_id ; }; struct fprop_local_percpu { struct percpu_counter events ; unsigned int period ; raw_spinlock_t lock ; }; typedef int congested_fn(void * , int ); struct bdi_writeback_congested { unsigned long state ; atomic_t refcnt ; struct backing_dev_info *bdi ; int blkcg_id ; struct rb_node rb_node ; }; union __anonunion____missing_field_name_251 { struct work_struct release_work ; struct callback_head rcu ; }; struct bdi_writeback { struct backing_dev_info *bdi ; unsigned long state ; unsigned long last_old_flush ; struct list_head b_dirty ; struct list_head b_io ; struct list_head b_more_io ; struct list_head b_dirty_time ; spinlock_t list_lock ; struct percpu_counter stat[4U] ; struct bdi_writeback_congested *congested ; unsigned long bw_time_stamp ; unsigned long dirtied_stamp ; unsigned long written_stamp ; unsigned long write_bandwidth ; unsigned long avg_write_bandwidth ; unsigned long dirty_ratelimit ; unsigned long balanced_dirty_ratelimit ; struct fprop_local_percpu completions ; int dirty_exceeded ; spinlock_t work_lock ; struct list_head work_list ; struct delayed_work dwork ; struct percpu_ref refcnt ; struct fprop_local_percpu memcg_completions ; struct cgroup_subsys_state *memcg_css ; struct cgroup_subsys_state *blkcg_css ; struct list_head memcg_node ; struct list_head blkcg_node ; union __anonunion____missing_field_name_251 __annonCompField78 ; }; struct backing_dev_info { struct list_head bdi_list ; unsigned long ra_pages ; unsigned int capabilities ; congested_fn *congested_fn ; void *congested_data ; char *name ; unsigned int min_ratio ; unsigned int max_ratio ; unsigned int max_prop_frac ; atomic_long_t tot_write_bandwidth ; struct bdi_writeback wb ; struct radix_tree_root cgwb_tree ; struct rb_root cgwb_congested_tree ; atomic_t usage_cnt ; wait_queue_head_t wb_waitq ; struct device *dev ; struct timer_list laptop_mode_wb_timer ; struct dentry *debug_dir ; struct dentry *debug_stats ; }; struct bsg_class_device { struct device *class_dev ; struct device *parent ; int minor ; struct request_queue *queue ; struct kref ref ; void (*release)(struct device * ) ; }; struct elevator_queue; struct blk_trace; struct request; struct bsg_job; struct blkcg_gq; struct blk_flush_queue; typedef void rq_end_io_fn(struct request * , int ); struct request_list { struct request_queue *q ; struct blkcg_gq *blkg ; int count[2U] ; int starved[2U] ; mempool_t *rq_pool ; wait_queue_head_t wait[2U] ; unsigned int flags ; }; union __anonunion____missing_field_name_252 { struct call_single_data csd ; unsigned long fifo_time ; }; struct blk_mq_ctx; union __anonunion____missing_field_name_253 { struct hlist_node hash ; struct list_head ipi_list ; }; union __anonunion____missing_field_name_254 { struct rb_node rb_node ; void *completion_data ; }; struct __anonstruct_elv_256 { struct io_cq *icq ; void *priv[2U] ; }; struct __anonstruct_flush_257 { unsigned int seq ; struct list_head list ; rq_end_io_fn *saved_end_io ; }; union __anonunion____missing_field_name_255 { struct __anonstruct_elv_256 elv ; struct __anonstruct_flush_257 flush ; }; struct request { struct list_head queuelist ; union __anonunion____missing_field_name_252 __annonCompField79 ; struct request_queue *q ; struct blk_mq_ctx *mq_ctx ; u64 cmd_flags ; unsigned int cmd_type ; unsigned long atomic_flags ; int cpu ; unsigned int __data_len ; sector_t __sector ; struct bio *bio ; struct bio *biotail ; union __anonunion____missing_field_name_253 __annonCompField80 ; union __anonunion____missing_field_name_254 __annonCompField81 ; union __anonunion____missing_field_name_255 __annonCompField82 ; struct gendisk *rq_disk ; struct hd_struct *part ; unsigned long start_time ; struct request_list *rl ; unsigned long long start_time_ns ; unsigned long long io_start_time_ns ; unsigned short nr_phys_segments ; unsigned short nr_integrity_segments ; unsigned short ioprio ; void *special ; int tag ; int errors ; unsigned char __cmd[16U] ; unsigned char *cmd ; unsigned short cmd_len ; unsigned int extra_len ; unsigned int sense_len ; unsigned int resid_len ; void *sense ; unsigned long deadline ; struct list_head timeout_list ; unsigned int timeout ; int retries ; rq_end_io_fn *end_io ; void *end_io_data ; struct request *next_rq ; }; struct elevator_type; typedef int elevator_merge_fn(struct request_queue * , struct request ** , struct bio * ); typedef void elevator_merge_req_fn(struct request_queue * , struct request * , struct request * ); typedef void elevator_merged_fn(struct request_queue * , struct request * , int ); typedef int elevator_allow_merge_fn(struct request_queue * , struct request * , struct bio * ); typedef void elevator_bio_merged_fn(struct request_queue * , struct request * , struct bio * ); typedef int elevator_dispatch_fn(struct request_queue * , int ); typedef void elevator_add_req_fn(struct request_queue * , struct request * ); typedef struct request *elevator_request_list_fn(struct request_queue * , struct request * ); typedef void elevator_completed_req_fn(struct request_queue * , struct request * ); typedef int elevator_may_queue_fn(struct request_queue * , int ); typedef void elevator_init_icq_fn(struct io_cq * ); typedef void elevator_exit_icq_fn(struct io_cq * ); typedef int elevator_set_req_fn(struct request_queue * , struct request * , struct bio * , gfp_t ); typedef void elevator_put_req_fn(struct request * ); typedef void elevator_activate_req_fn(struct request_queue * , struct request * ); typedef void elevator_deactivate_req_fn(struct request_queue * , struct request * ); typedef int elevator_init_fn(struct request_queue * , struct elevator_type * ); typedef void elevator_exit_fn(struct elevator_queue * ); typedef void elevator_registered_fn(struct request_queue * ); struct elevator_ops { elevator_merge_fn *elevator_merge_fn ; elevator_merged_fn *elevator_merged_fn ; elevator_merge_req_fn *elevator_merge_req_fn ; elevator_allow_merge_fn *elevator_allow_merge_fn ; elevator_bio_merged_fn *elevator_bio_merged_fn ; elevator_dispatch_fn *elevator_dispatch_fn ; elevator_add_req_fn *elevator_add_req_fn ; elevator_activate_req_fn *elevator_activate_req_fn ; elevator_deactivate_req_fn *elevator_deactivate_req_fn ; elevator_completed_req_fn *elevator_completed_req_fn ; elevator_request_list_fn *elevator_former_req_fn ; elevator_request_list_fn *elevator_latter_req_fn ; elevator_init_icq_fn *elevator_init_icq_fn ; elevator_exit_icq_fn *elevator_exit_icq_fn ; elevator_set_req_fn *elevator_set_req_fn ; elevator_put_req_fn *elevator_put_req_fn ; elevator_may_queue_fn *elevator_may_queue_fn ; elevator_init_fn *elevator_init_fn ; elevator_exit_fn *elevator_exit_fn ; elevator_registered_fn *elevator_registered_fn ; }; struct elv_fs_entry { struct attribute attr ; ssize_t (*show)(struct elevator_queue * , char * ) ; ssize_t (*store)(struct elevator_queue * , char const * , size_t ) ; }; struct elevator_type { struct kmem_cache *icq_cache ; struct elevator_ops ops ; size_t icq_size ; size_t icq_align ; struct elv_fs_entry *elevator_attrs ; char elevator_name[16U] ; struct module *elevator_owner ; char icq_cache_name[21U] ; struct list_head list ; }; struct elevator_queue { struct elevator_type *type ; void *elevator_data ; struct kobject kobj ; struct mutex sysfs_lock ; unsigned char registered : 1 ; struct hlist_head hash[64U] ; }; typedef void request_fn_proc(struct request_queue * ); typedef void make_request_fn(struct request_queue * , struct bio * ); typedef int prep_rq_fn(struct request_queue * , struct request * ); typedef void unprep_rq_fn(struct request_queue * , struct request * ); struct bvec_merge_data { struct block_device *bi_bdev ; sector_t bi_sector ; unsigned int bi_size ; unsigned long bi_rw ; }; typedef int merge_bvec_fn(struct request_queue * , struct bvec_merge_data * , struct bio_vec * ); typedef void softirq_done_fn(struct request * ); typedef int dma_drain_needed_fn(struct request * ); typedef int lld_busy_fn(struct request_queue * ); typedef int bsg_job_fn(struct bsg_job * ); enum blk_eh_timer_return { BLK_EH_NOT_HANDLED = 0, BLK_EH_HANDLED = 1, BLK_EH_RESET_TIMER = 2 } ; typedef enum blk_eh_timer_return rq_timed_out_fn(struct request * ); struct blk_queue_tag { struct request **tag_index ; unsigned long *tag_map ; int busy ; int max_depth ; int real_max_depth ; atomic_t refcnt ; int alloc_policy ; int next_tag ; }; struct queue_limits { unsigned long bounce_pfn ; unsigned long seg_boundary_mask ; unsigned int max_hw_sectors ; unsigned int chunk_sectors ; unsigned int max_sectors ; unsigned int max_segment_size ; unsigned int physical_block_size ; unsigned int alignment_offset ; unsigned int io_min ; unsigned int io_opt ; unsigned int max_discard_sectors ; unsigned int max_write_same_sectors ; unsigned int discard_granularity ; unsigned int discard_alignment ; unsigned short logical_block_size ; unsigned short max_segments ; unsigned short max_integrity_segments ; unsigned char misaligned ; unsigned char discard_misaligned ; unsigned char cluster ; unsigned char discard_zeroes_data ; unsigned char raid_partial_stripes_expensive ; }; struct blk_mq_ops; struct blk_mq_hw_ctx; struct throtl_data; struct blk_mq_tag_set; struct request_queue { struct list_head queue_head ; struct request *last_merge ; struct elevator_queue *elevator ; int nr_rqs[2U] ; int nr_rqs_elvpriv ; struct request_list root_rl ; request_fn_proc *request_fn ; make_request_fn *make_request_fn ; prep_rq_fn *prep_rq_fn ; unprep_rq_fn *unprep_rq_fn ; merge_bvec_fn *merge_bvec_fn ; softirq_done_fn *softirq_done_fn ; rq_timed_out_fn *rq_timed_out_fn ; dma_drain_needed_fn *dma_drain_needed ; lld_busy_fn *lld_busy_fn ; struct blk_mq_ops *mq_ops ; unsigned int *mq_map ; struct blk_mq_ctx *queue_ctx ; unsigned int nr_queues ; struct blk_mq_hw_ctx **queue_hw_ctx ; unsigned int nr_hw_queues ; sector_t end_sector ; struct request *boundary_rq ; struct delayed_work delay_work ; struct backing_dev_info backing_dev_info ; void *queuedata ; unsigned long queue_flags ; int id ; gfp_t bounce_gfp ; spinlock_t __queue_lock ; spinlock_t *queue_lock ; struct kobject kobj ; struct kobject mq_kobj ; struct device *dev ; int rpm_status ; unsigned int nr_pending ; unsigned long nr_requests ; unsigned int nr_congestion_on ; unsigned int nr_congestion_off ; unsigned int nr_batching ; unsigned int dma_drain_size ; void *dma_drain_buffer ; unsigned int dma_pad_mask ; unsigned int dma_alignment ; struct blk_queue_tag *queue_tags ; struct list_head tag_busy_list ; unsigned int nr_sorted ; unsigned int in_flight[2U] ; unsigned int request_fn_active ; unsigned int rq_timeout ; struct timer_list timeout ; struct list_head timeout_list ; struct list_head icq_list ; unsigned long blkcg_pols[1U] ; struct blkcg_gq *root_blkg ; struct list_head blkg_list ; struct queue_limits limits ; unsigned int sg_timeout ; unsigned int sg_reserved_size ; int node ; struct blk_trace *blk_trace ; unsigned int flush_flags ; unsigned char flush_not_queueable : 1 ; struct blk_flush_queue *fq ; struct list_head requeue_list ; spinlock_t requeue_lock ; struct work_struct requeue_work ; struct mutex sysfs_lock ; int bypass_depth ; atomic_t mq_freeze_depth ; bsg_job_fn *bsg_job_fn ; int bsg_job_size ; struct bsg_class_device bsg_dev ; struct throtl_data *td ; struct callback_head callback_head ; wait_queue_head_t mq_freeze_wq ; struct percpu_ref mq_usage_counter ; struct list_head all_q_node ; struct blk_mq_tag_set *tag_set ; struct list_head tag_set_list ; }; struct blk_plug { struct list_head list ; struct list_head mq_list ; struct list_head cb_list ; }; struct blk_integrity_iter { void *prot_buf ; void *data_buf ; sector_t seed ; unsigned int data_size ; unsigned short interval ; char const *disk_name ; }; typedef int integrity_processing_fn(struct blk_integrity_iter * ); struct blk_integrity { integrity_processing_fn *generate_fn ; integrity_processing_fn *verify_fn ; unsigned short flags ; unsigned short tuple_size ; unsigned short interval ; unsigned short tag_size ; char const *name ; struct kobject kobj ; }; struct block_device_operations { int (*open)(struct block_device * , fmode_t ) ; void (*release)(struct gendisk * , fmode_t ) ; int (*rw_page)(struct block_device * , sector_t , struct page * , int ) ; int (*ioctl)(struct block_device * , fmode_t , unsigned int , unsigned long ) ; int (*compat_ioctl)(struct block_device * , fmode_t , unsigned int , unsigned long ) ; long (*direct_access)(struct block_device * , sector_t , void ** , unsigned long * , long ) ; unsigned int (*check_events)(struct gendisk * , unsigned int ) ; int (*media_changed)(struct gendisk * ) ; void (*unlock_native_capacity)(struct gendisk * ) ; int (*revalidate_disk)(struct gendisk * ) ; int (*getgeo)(struct block_device * , struct hd_geometry * ) ; void (*swap_slot_free_notify)(struct block_device * , unsigned long ) ; struct module *owner ; }; struct dm_dev; enum ldv_25430 { STATUSTYPE_INFO = 0, STATUSTYPE_TABLE = 1 } ; typedef enum ldv_25430 status_type_t; struct dm_dev { struct block_device *bdev ; fmode_t mode ; char name[16U] ; }; struct dm_path { struct dm_dev *dev ; void *pscontext ; }; struct path_selector_type; struct path_selector { struct path_selector_type *type ; void *context ; }; struct path_selector_type { char *name ; struct module *module ; unsigned int table_args ; unsigned int info_args ; int (*create)(struct path_selector * , unsigned int , char ** ) ; void (*destroy)(struct path_selector * ) ; int (*add_path)(struct path_selector * , struct dm_path * , int , char ** , char ** ) ; struct dm_path *(*select_path)(struct path_selector * , unsigned int * , size_t ) ; void (*fail_path)(struct path_selector * , struct dm_path * ) ; int (*reinstate_path)(struct path_selector * , struct dm_path * ) ; int (*status)(struct path_selector * , struct dm_path * , status_type_t , char * , unsigned int ) ; int (*start_io)(struct path_selector * , struct dm_path * , size_t ) ; int (*end_io)(struct path_selector * , struct dm_path * , size_t ) ; }; struct ps_internal { struct path_selector_type pst ; struct list_head list ; }; typedef bool ldv_func_ret_type; typedef bool ldv_func_ret_type___0; typedef bool ldv_func_ret_type___1; typedef bool ldv_func_ret_type___2; typedef unsigned char __u8; typedef __u64 uint64_t; struct __anonstruct_mm_segment_t_33 { unsigned long seg ; }; typedef struct __anonstruct_mm_segment_t_33 mm_segment_t; struct thread_info { struct task_struct *task ; __u32 flags ; __u32 status ; __u32 cpu ; int saved_preempt_count ; mm_segment_t addr_limit ; void *sysenter_return ; unsigned char sig_on_uaccess_error : 1 ; unsigned char uaccess_err : 1 ; }; struct __wait_queue; typedef struct __wait_queue wait_queue_t; struct __wait_queue { unsigned int flags ; void *private ; int (*func)(wait_queue_t * , unsigned int , int , void * ) ; struct list_head task_list ; }; enum hrtimer_restart; struct dm_target; struct dm_table; union map_info { void *ptr ; }; struct target_type { uint64_t features ; char const *name ; struct module *module ; unsigned int version[3U] ; int (*ctr)(struct dm_target * , unsigned int , char ** ) ; void (*dtr)(struct dm_target * ) ; int (*map)(struct dm_target * , struct bio * ) ; int (*map_rq)(struct dm_target * , struct request * , union map_info * ) ; int (*clone_and_map_rq)(struct dm_target * , struct request * , union map_info * , struct request ** ) ; void (*release_clone_rq)(struct request * ) ; int (*end_io)(struct dm_target * , struct bio * , int ) ; int (*rq_end_io)(struct dm_target * , struct request * , int , union map_info * ) ; void (*presuspend)(struct dm_target * ) ; void (*presuspend_undo)(struct dm_target * ) ; void (*postsuspend)(struct dm_target * ) ; int (*preresume)(struct dm_target * ) ; void (*resume)(struct dm_target * ) ; void (*status)(struct dm_target * , status_type_t , unsigned int , char * , unsigned int ) ; int (*message)(struct dm_target * , unsigned int , char ** ) ; int (*ioctl)(struct dm_target * , unsigned int , unsigned long ) ; int (*merge)(struct dm_target * , struct bvec_merge_data * , struct bio_vec * , int ) ; int (*busy)(struct dm_target * ) ; int (*iterate_devices)(struct dm_target * , int (*)(struct dm_target * , struct dm_dev * , sector_t , sector_t , void * ) , void * ) ; void (*io_hints)(struct dm_target * , struct queue_limits * ) ; struct list_head list ; }; struct dm_target { struct dm_table *table ; struct target_type *type ; sector_t begin ; sector_t len ; uint32_t max_io_len ; unsigned int num_flush_bios ; unsigned int num_discard_bios ; unsigned int num_write_same_bios ; unsigned int per_bio_data_size ; unsigned int (*num_write_bios)(struct dm_target * , struct bio * ) ; void *private ; char *error ; bool flush_supported ; bool discards_supported ; bool split_discard_bios ; bool discard_zeroes_data_unsupported ; }; struct dm_arg_set { unsigned int argc ; char **argv ; }; struct dm_arg { unsigned int min ; unsigned int max ; char *error ; }; enum writeback_sync_modes { WB_SYNC_NONE = 0, WB_SYNC_ALL = 1 } ; struct writeback_control { long nr_to_write ; long pages_skipped ; loff_t range_start ; loff_t range_end ; enum writeback_sync_modes sync_mode ; unsigned char for_kupdate : 1 ; unsigned char for_background : 1 ; unsigned char tagged_writepages : 1 ; unsigned char for_reclaim : 1 ; unsigned char range_cyclic : 1 ; unsigned char for_sync : 1 ; struct bdi_writeback *wb ; struct inode *inode ; int wb_id ; int wb_lcand_id ; int wb_tcand_id ; size_t wb_bytes ; size_t wb_lcand_bytes ; size_t wb_tcand_bytes ; }; struct taskstats { __u16 version ; __u32 ac_exitcode ; __u8 ac_flag ; __u8 ac_nice ; __u64 cpu_count ; __u64 cpu_delay_total ; __u64 blkio_count ; __u64 blkio_delay_total ; __u64 swapin_count ; __u64 swapin_delay_total ; __u64 cpu_run_real_total ; __u64 cpu_run_virtual_total ; char ac_comm[32U] ; __u8 ac_sched ; __u8 ac_pad[3U] ; __u32 ac_uid ; __u32 ac_gid ; __u32 ac_pid ; __u32 ac_ppid ; __u32 ac_btime ; __u64 ac_etime ; __u64 ac_utime ; __u64 ac_stime ; __u64 ac_minflt ; __u64 ac_majflt ; __u64 coremem ; __u64 virtmem ; __u64 hiwater_rss ; __u64 hiwater_vm ; __u64 read_char ; __u64 write_char ; __u64 read_syscalls ; __u64 write_syscalls ; __u64 read_bytes ; __u64 write_bytes ; __u64 cancelled_write_bytes ; __u64 nvcsw ; __u64 nivcsw ; __u64 ac_utimescaled ; __u64 ac_stimescaled ; __u64 cpu_scaled_run_real_total ; __u64 freepages_count ; __u64 freepages_delay_total ; }; struct blkcg_policy_data; struct blkcg { struct cgroup_subsys_state css ; spinlock_t lock ; struct radix_tree_root blkg_tree ; struct blkcg_gq *blkg_hint ; struct hlist_head blkg_list ; struct blkcg_policy_data *pd[2U] ; struct list_head cgwb_list ; }; struct blkg_policy_data { struct blkcg_gq *blkg ; int plid ; struct list_head alloc_node ; }; struct blkcg_policy_data { int plid ; struct list_head alloc_node ; }; struct blkcg_gq { struct request_queue *q ; struct list_head q_node ; struct hlist_node blkcg_node ; struct blkcg *blkcg ; struct bdi_writeback_congested *wb_congested ; struct blkcg_gq *parent ; struct request_list rl ; atomic_t refcnt ; bool online ; struct blkg_policy_data *pd[2U] ; struct callback_head callback_head ; }; struct hd_geometry { unsigned char heads ; unsigned char sectors ; unsigned short cylinders ; unsigned long start ; }; enum dm_uevent_type { DM_UEVENT_PATH_FAILED = 0, DM_UEVENT_PATH_REINSTATED = 1 } ; struct priority_group; struct pgpath { struct list_head list ; struct priority_group *pg ; unsigned int is_active ; unsigned int fail_count ; struct dm_path path ; struct delayed_work activate_path ; }; struct multipath; struct priority_group { struct list_head list ; struct multipath *m ; struct path_selector ps ; unsigned int pg_num ; unsigned int bypassed ; unsigned int nr_pgpaths ; struct list_head pgpaths ; }; struct multipath { struct list_head list ; struct dm_target *ti ; char const *hw_handler_name ; char *hw_handler_params ; spinlock_t lock ; unsigned int nr_priority_groups ; struct list_head priority_groups ; wait_queue_head_t pg_init_wait ; unsigned int pg_init_required ; unsigned int pg_init_in_progress ; unsigned int pg_init_delay_retry ; unsigned int nr_valid_paths ; struct pgpath *current_pgpath ; struct priority_group *current_pg ; struct priority_group *next_pg ; unsigned int repeat_count ; unsigned char queue_io : 1 ; unsigned char queue_if_no_path : 1 ; unsigned char saved_queue_if_no_path : 1 ; unsigned char retain_attached_hw_handler : 1 ; unsigned char pg_init_disabled : 1 ; unsigned int pg_init_retries ; unsigned int pg_init_count ; unsigned int pg_init_delay_msecs ; struct work_struct trigger_event ; mempool_t *mpio_pool ; struct mutex work_mutex ; }; struct dm_mpath_io { struct pgpath *pgpath ; size_t nr_bytes ; }; typedef bool ldv_func_ret_type___3; extern void __list_add(struct list_head * , struct list_head * , struct list_head * ) ; __inline static void list_add(struct list_head *new , struct list_head *head ) { { __list_add(new, head, head->next); return; } } extern void list_del(struct list_head * ) ; extern void *memset(void * , int , size_t ) ; extern int strcmp(char const * , char const * ) ; extern void down_read(struct rw_semaphore * ) ; extern void down_write(struct rw_semaphore * ) ; extern void up_read(struct rw_semaphore * ) ; extern void up_write(struct rw_semaphore * ) ; extern bool queue_work_on(int , struct workqueue_struct * , struct work_struct * ) ; bool ldv_queue_work_on_5(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) ; bool ldv_queue_work_on_7(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) ; extern bool queue_delayed_work_on(int , struct workqueue_struct * , struct delayed_work * , unsigned long ) ; bool ldv_queue_delayed_work_on_6(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) ; bool ldv_queue_delayed_work_on_9(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) ; extern void flush_workqueue(struct workqueue_struct * ) ; void ldv_flush_workqueue_8(struct workqueue_struct *ldv_func_arg1 ) ; extern int __request_module(bool , char const * , ...) ; bool ldv_try_module_get_10(struct module *ldv_func_arg1 ) ; void ldv_module_put_11(struct module *ldv_func_arg1 ) ; int ldv_try_module_get(struct module *module ) ; void ldv_module_put(struct module *module ) ; extern void kfree(void const * ) ; extern void *__kmalloc(size_t , gfp_t ) ; __inline static void *kmalloc(size_t size , gfp_t flags ) { void *tmp___2 ; { tmp___2 = __kmalloc(size, flags); return (tmp___2); } } __inline static void *kzalloc(size_t size , gfp_t flags ) { void *tmp ; { tmp = kmalloc(size, flags | 32768U); return (tmp); } } extern void *malloc(size_t ) ; extern void *calloc(size_t , size_t ) ; extern int __VERIFIER_nondet_int(void) ; extern unsigned long __VERIFIER_nondet_ulong(void) ; extern void *__VERIFIER_nondet_pointer(void) ; extern void __VERIFIER_assume(int ) ; void *ldv_malloc(size_t size ) { void *p ; void *tmp ; int tmp___0 ; { tmp___0 = __VERIFIER_nondet_int(); if (tmp___0 != 0) { return ((void *)0); } else { tmp = malloc(size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } } void *ldv_zalloc(size_t size ) { void *p ; void *tmp ; int tmp___0 ; { tmp___0 = __VERIFIER_nondet_int(); if (tmp___0 != 0) { return ((void *)0); } else { tmp = calloc(1UL, size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } } void *ldv_init_zalloc(size_t size ) { void *p ; void *tmp ; { tmp = calloc(1UL, size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } void *ldv_memset(void *s , int c , size_t n ) { void *tmp ; { tmp = memset(s, c, n); return (tmp); } } int ldv_undef_int(void) { int tmp ; { tmp = __VERIFIER_nondet_int(); return (tmp); } } void *ldv_undef_ptr(void) { void *tmp ; { tmp = __VERIFIER_nondet_pointer(); return (tmp); } } unsigned long ldv_undef_ulong(void) { unsigned long tmp ; { tmp = __VERIFIER_nondet_ulong(); return (tmp); } } int LDV_IN_INTERRUPT = 1; void call_and_disable_all_1(int state ) ; void activate_work_1(struct work_struct *work , int state ) ; int dm_register_path_selector(struct path_selector_type *pst ) ; int dm_unregister_path_selector(struct path_selector_type *pst ) ; struct path_selector_type *dm_get_path_selector(char const *name ) ; void dm_put_path_selector(struct path_selector_type *pst ) ; static struct list_head _path_selectors = {& _path_selectors, & _path_selectors}; static struct rw_semaphore _ps_lock = {0L, {& _ps_lock.wait_list, & _ps_lock.wait_list}, {{{0}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "_ps_lock.wait_lock", 0, 0UL}}, {{0}}, (struct task_struct *)0, {0, {0, 0}, "_ps_lock", 0, 0UL}}; static struct ps_internal *__find_path_selector_type(char const *name ) { struct ps_internal *psi ; struct list_head const *__mptr ; int tmp ; struct list_head const *__mptr___0 ; { __mptr = (struct list_head const *)_path_selectors.next; psi = (struct ps_internal *)__mptr + 0xffffffffffffffa0UL; goto ldv_32886; ldv_32885: tmp = strcmp(name, (char const *)psi->pst.name); if (tmp == 0) { return (psi); } else { } __mptr___0 = (struct list_head const *)psi->list.next; psi = (struct ps_internal *)__mptr___0 + 0xffffffffffffffa0UL; ldv_32886: ; if ((unsigned long )(& psi->list) != (unsigned long )(& _path_selectors)) { goto ldv_32885; } else { } return ((struct ps_internal *)0); } } static struct ps_internal *get_path_selector(char const *name ) { struct ps_internal *psi ; bool tmp ; int tmp___0 ; { down_read(& _ps_lock); psi = __find_path_selector_type(name); if ((unsigned long )psi != (unsigned long )((struct ps_internal *)0)) { tmp = ldv_try_module_get_10(psi->pst.module); if (tmp) { tmp___0 = 0; } else { tmp___0 = 1; } if (tmp___0) { psi = (struct ps_internal *)0; } else { } } else { } up_read(& _ps_lock); return (psi); } } struct path_selector_type *dm_get_path_selector(char const *name ) { struct ps_internal *psi ; { if ((unsigned long )name == (unsigned long )((char const *)0)) { return ((struct path_selector_type *)0); } else { } psi = get_path_selector(name); if ((unsigned long )psi == (unsigned long )((struct ps_internal *)0)) { __request_module(1, "dm-%s", name); psi = get_path_selector(name); } else { } return ((unsigned long )psi != (unsigned long )((struct ps_internal *)0) ? & psi->pst : (struct path_selector_type *)0); } } void dm_put_path_selector(struct path_selector_type *pst ) { struct ps_internal *psi ; { if ((unsigned long )pst == (unsigned long )((struct path_selector_type *)0)) { return; } else { } down_read(& _ps_lock); psi = __find_path_selector_type((char const *)pst->name); if ((unsigned long )psi == (unsigned long )((struct ps_internal *)0)) { goto out; } else { } ldv_module_put_11(psi->pst.module); out: up_read(& _ps_lock); return; } } static struct ps_internal *_alloc_path_selector(struct path_selector_type *pst ) { struct ps_internal *psi ; void *tmp ; { tmp = kzalloc(112UL, 208U); psi = (struct ps_internal *)tmp; if ((unsigned long )psi != (unsigned long )((struct ps_internal *)0)) { psi->pst = *pst; } else { } return (psi); } } int dm_register_path_selector(struct path_selector_type *pst ) { int r ; struct ps_internal *psi ; struct ps_internal *tmp ; struct ps_internal *tmp___0 ; { r = 0; tmp = _alloc_path_selector(pst); psi = tmp; if ((unsigned long )psi == (unsigned long )((struct ps_internal *)0)) { return (-12); } else { } down_write(& _ps_lock); tmp___0 = __find_path_selector_type((char const *)pst->name); if ((unsigned long )tmp___0 != (unsigned long )((struct ps_internal *)0)) { kfree((void const *)psi); r = -17; } else { list_add(& psi->list, & _path_selectors); } up_write(& _ps_lock); return (r); } } int dm_unregister_path_selector(struct path_selector_type *pst ) { struct ps_internal *psi ; { down_write(& _ps_lock); psi = __find_path_selector_type((char const *)pst->name); if ((unsigned long )psi == (unsigned long )((struct ps_internal *)0)) { up_write(& _ps_lock); return (-22); } else { } list_del(& psi->list); up_write(& _ps_lock); kfree((void const *)psi); return (0); } } static char const __kstrtab_dm_register_path_selector[26U] = { 'd', 'm', '_', 'r', 'e', 'g', 'i', 's', 't', 'e', 'r', '_', 'p', 'a', 't', 'h', '_', 's', 'e', 'l', 'e', 'c', 't', 'o', 'r', '\000'}; struct kernel_symbol const __ksymtab_dm_register_path_selector ; struct kernel_symbol const __ksymtab_dm_register_path_selector = {(unsigned long )(& dm_register_path_selector), (char const *)(& __kstrtab_dm_register_path_selector)}; static char const __kstrtab_dm_unregister_path_selector[28U] = { 'd', 'm', '_', 'u', 'n', 'r', 'e', 'g', 'i', 's', 't', 'e', 'r', '_', 'p', 'a', 't', 'h', '_', 's', 'e', 'l', 'e', 'c', 't', 'o', 'r', '\000'}; struct kernel_symbol const __ksymtab_dm_unregister_path_selector ; struct kernel_symbol const __ksymtab_dm_unregister_path_selector = {(unsigned long )(& dm_unregister_path_selector), (char const *)(& __kstrtab_dm_unregister_path_selector)}; bool ldv_queue_work_on_5(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) { ldv_func_ret_type ldv_func_res ; bool tmp ; { tmp = queue_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3); ldv_func_res = tmp; activate_work_1(ldv_func_arg3, 2); return (ldv_func_res); } } bool ldv_queue_delayed_work_on_6(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) { ldv_func_ret_type___0 ldv_func_res ; bool tmp ; { tmp = queue_delayed_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4); ldv_func_res = tmp; activate_work_1(& ldv_func_arg3->work, 2); return (ldv_func_res); } } bool ldv_queue_work_on_7(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) { ldv_func_ret_type___1 ldv_func_res ; bool tmp ; { tmp = queue_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3); ldv_func_res = tmp; activate_work_1(ldv_func_arg3, 2); return (ldv_func_res); } } void ldv_flush_workqueue_8(struct workqueue_struct *ldv_func_arg1 ) { { flush_workqueue(ldv_func_arg1); call_and_disable_all_1(2); return; } } bool ldv_queue_delayed_work_on_9(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) { ldv_func_ret_type___2 ldv_func_res ; bool tmp ; { tmp = queue_delayed_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4); ldv_func_res = tmp; activate_work_1(& ldv_func_arg3->work, 2); return (ldv_func_res); } } bool ldv_try_module_get_10(struct module *ldv_func_arg1 ) { int tmp ; { tmp = ldv_try_module_get(ldv_func_arg1); return (tmp != 0); } } void ldv_module_put_11(struct module *ldv_func_arg1 ) { { ldv_module_put(ldv_func_arg1); return; } } __inline static long ldv__builtin_expect(long exp , long c ) ; extern struct module __this_module ; __inline static int variable_test_bit(long nr , unsigned long const volatile *addr ) { int oldbit ; { __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); return (oldbit); } } extern int printk(char const * , ...) ; extern int sprintf(char * , char const * , ...) ; extern int scnprintf(char * , size_t , char const * , ...) ; extern int sscanf(char const * , char const * , ...) ; bool ldv_is_err(void const *ptr ) ; void *ldv_err_ptr(long error ) ; long ldv_ptr_err(void const *ptr ) ; __inline static void INIT_LIST_HEAD(struct list_head *list ) { { list->next = list; list->prev = list; return; } } __inline static void list_add_tail(struct list_head *new , struct list_head *head ) { { __list_add(new, head->prev, head); return; } } extern void __bad_percpu_size(void) ; extern struct task_struct *current_task ; __inline static struct task_struct *get_current(void) { struct task_struct *pfo_ret__ ; { switch (8UL) { case 1UL: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 2UL: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 4UL: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 8UL: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; default: __bad_percpu_size(); } ldv_3129: ; return (pfo_ret__); } } extern size_t strlen(char const * ) ; extern int strcasecmp(char const * , char const * ) ; extern char *kstrdup(char const * , gfp_t ) ; __inline static void *ERR_PTR(long error ) ; __inline static long PTR_ERR(void const *ptr ) ; __inline static bool IS_ERR(void const *ptr ) ; extern void __xchg_wrong_size(void) ; __inline static int test_ti_thread_flag(struct thread_info *ti , int flag ) { int tmp ; { tmp = variable_test_bit((long )flag, (unsigned long const volatile *)(& ti->flags)); return (tmp); } } extern void lockdep_init_map(struct lockdep_map * , char const * , struct lock_class_key * , int ) ; extern void __raw_spin_lock_init(raw_spinlock_t * , char const * , struct lock_class_key * ) ; extern void _raw_spin_lock_irq(raw_spinlock_t * ) ; extern unsigned long _raw_spin_lock_irqsave(raw_spinlock_t * ) ; extern void _raw_spin_unlock_irq(raw_spinlock_t * ) ; extern void _raw_spin_unlock_irqrestore(raw_spinlock_t * , unsigned long ) ; __inline static raw_spinlock_t *spinlock_check(spinlock_t *lock ) { { return (& lock->__annonCompField18.rlock); } } __inline static void spin_lock_irq(spinlock_t *lock ) { { _raw_spin_lock_irq(& lock->__annonCompField18.rlock); return; } } __inline static void spin_unlock_irq(spinlock_t *lock ) { { _raw_spin_unlock_irq(& lock->__annonCompField18.rlock); return; } } __inline static void spin_unlock_irqrestore(spinlock_t *lock , unsigned long flags ) { { _raw_spin_unlock_irqrestore(& lock->__annonCompField18.rlock, flags); return; } } extern int default_wake_function(wait_queue_t * , unsigned int , int , void * ) ; extern void __init_waitqueue_head(wait_queue_head_t * , char const * , struct lock_class_key * ) ; extern void add_wait_queue(wait_queue_head_t * , wait_queue_t * ) ; extern void remove_wait_queue(wait_queue_head_t * , wait_queue_t * ) ; extern void __wake_up(wait_queue_head_t * , unsigned int , int , void * ) ; extern void __mutex_init(struct mutex * , char const * , struct lock_class_key * ) ; extern void mutex_lock_nested(struct mutex * , unsigned int ) ; extern void mutex_unlock(struct mutex * ) ; extern unsigned long __msecs_to_jiffies(unsigned int const ) ; __inline static unsigned long msecs_to_jiffies(unsigned int const m ) { unsigned long tmp___0 ; { tmp___0 = __msecs_to_jiffies(m); return (tmp___0); } } extern void init_timer_key(struct timer_list * , unsigned int , char const * , struct lock_class_key * ) ; extern void delayed_work_timer_fn(unsigned long ) ; extern void __init_work(struct work_struct * , int ) ; extern struct workqueue_struct *system_wq ; extern struct workqueue_struct *__alloc_workqueue_key(char const * , unsigned int , int , struct lock_class_key * , char const * , ...) ; extern void destroy_workqueue(struct workqueue_struct * ) ; void ldv_destroy_workqueue_29(struct workqueue_struct *ldv_func_arg1 ) ; void ldv_destroy_workqueue_30(struct workqueue_struct *ldv_func_arg1 ) ; void ldv_destroy_workqueue_31(struct workqueue_struct *ldv_func_arg1 ) ; bool ldv_queue_work_on_21(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) ; bool ldv_queue_work_on_23(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) ; bool ldv_queue_delayed_work_on_22(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) ; bool ldv_queue_delayed_work_on_25(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) ; void ldv_flush_workqueue_24(struct workqueue_struct *ldv_func_arg1 ) ; void ldv_flush_workqueue_26(struct workqueue_struct *ldv_func_arg1 ) ; void ldv_flush_workqueue_27(struct workqueue_struct *ldv_func_arg1 ) ; extern bool flush_work(struct work_struct * ) ; bool ldv_flush_work_28(struct work_struct *ldv_func_arg1 ) ; __inline static bool queue_work(struct workqueue_struct *wq , struct work_struct *work ) { bool tmp ; { tmp = ldv_queue_work_on_21(8192, wq, work); return (tmp); } } __inline static bool queue_delayed_work(struct workqueue_struct *wq , struct delayed_work *dwork , unsigned long delay ) { bool tmp ; { tmp = ldv_queue_delayed_work_on_22(8192, wq, dwork, delay); return (tmp); } } __inline static bool schedule_work(struct work_struct *work ) { bool tmp ; { tmp = queue_work(system_wq, work); return (tmp); } } __inline static int sigismember(sigset_t *set , int _sig ) { unsigned long sig ; { sig = (unsigned long )(_sig + -1); return ((int )(set->sig[0] >> (int )sig) & 1); } } extern long io_schedule_timeout(long ) ; __inline static void io_schedule(void) { { io_schedule_timeout(9223372036854775807L); return; } } __inline static int test_tsk_thread_flag(struct task_struct *tsk , int flag ) { int tmp ; { tmp = test_ti_thread_flag((struct thread_info *)tsk->stack, flag); return (tmp); } } __inline static int signal_pending(struct task_struct *p ) { int tmp ; long tmp___0 ; { tmp = test_tsk_thread_flag(p, 2); tmp___0 = ldv__builtin_expect(tmp != 0, 0L); return ((int )tmp___0); } } __inline static int __fatal_signal_pending(struct task_struct *p ) { int tmp ; long tmp___0 ; { tmp = sigismember(& p->pending.signal, 9); tmp___0 = ldv__builtin_expect(tmp != 0, 0L); return ((int )tmp___0); } } __inline static int fatal_signal_pending(struct task_struct *p ) { int tmp ; int tmp___0 ; int tmp___1 ; { tmp = signal_pending(p); if (tmp != 0) { tmp___0 = __fatal_signal_pending(p); if (tmp___0 != 0) { tmp___1 = 1; } else { tmp___1 = 0; } } else { tmp___1 = 0; } return (tmp___1); } } extern struct kmem_cache *kmem_cache_create(char const * , size_t , size_t , unsigned long , void (*)(void * ) ) ; extern void kmem_cache_destroy(struct kmem_cache * ) ; __inline static void ldv_stop(void) { { LDV_STOP: ; goto LDV_STOP; } } __inline static long ldv__builtin_expect(long exp , long c ) { { return (exp); } } struct work_struct *ldv_work_struct_1_0 ; struct work_struct *ldv_work_struct_1_1 ; struct work_struct *ldv_work_struct_1_3 ; struct work_struct *ldv_work_struct_2_1 ; int ldv_work_1_3 ; int ldv_state_variable_0 ; struct dm_target *multipath_target_group1 ; int ldv_state_variable_2 ; int ldv_work_1_1 ; int ldv_work_2_0 ; int ldv_work_1_2 ; struct work_struct *ldv_work_struct_2_3 ; struct work_struct *ldv_work_struct_2_0 ; struct work_struct *ldv_work_struct_1_2 ; struct work_struct *ldv_work_struct_2_2 ; int ldv_work_2_2 ; int ldv_state_variable_3 ; int ref_cnt ; int ldv_work_1_0 ; int ldv_state_variable_1 ; int ldv_work_2_3 ; int ldv_work_2_1 ; void call_and_disable_work_1(struct work_struct *work ) ; void disable_work_2(struct work_struct *work ) ; void disable_work_1(struct work_struct *work ) ; void work_init_2(void) ; void work_init_1(void) ; void call_and_disable_all_2(int state ) ; void invoke_work_1(void) ; void activate_work_2(struct work_struct *work , int state ) ; void ldv_target_type_3(void) ; void call_and_disable_work_2(struct work_struct *work ) ; void invoke_work_2(void) ; __inline static loff_t i_size_read(struct inode const *inode ) { { return ((loff_t )inode->i_size); } } extern mempool_t *mempool_create(int , mempool_alloc_t * , mempool_free_t * , void * ) ; extern void mempool_destroy(mempool_t * ) ; extern void *mempool_alloc(mempool_t * , gfp_t ) ; extern void mempool_free(void * , mempool_t * ) ; extern void *mempool_alloc_slab(gfp_t , void * ) ; extern void mempool_free_slab(void * , void * ) ; __inline static mempool_t *mempool_create_slab_pool(int min_nr , struct kmem_cache *kc ) { mempool_t *tmp ; { tmp = mempool_create(min_nr, & mempool_alloc_slab, & mempool_free_slab, (void *)kc); return (tmp); } } extern void blk_put_request(struct request * ) ; extern struct request *blk_get_request(struct request_queue * , int , gfp_t ) ; extern int blk_lld_busy(struct request_queue * ) ; extern int scsi_verify_blk_ioctl(struct block_device * , unsigned int ) ; __inline static struct request_queue *bdev_get_queue(struct block_device *bdev ) { { return ((bdev->bd_disk)->queue); } } __inline static unsigned int blk_rq_bytes(struct request const *rq ) { { return ((unsigned int )rq->__data_len); } } extern int __blkdev_driver_ioctl(struct block_device * , fmode_t , unsigned int , unsigned long ) ; extern int dm_get_device(struct dm_target * , char const * , fmode_t , struct dm_dev ** ) ; extern void dm_put_device(struct dm_target * , struct dm_dev * ) ; extern int dm_register_target(struct target_type * ) ; extern void dm_unregister_target(struct target_type * ) ; extern int dm_read_arg(struct dm_arg * , struct dm_arg_set * , unsigned int * , char ** ) ; extern int dm_read_arg_group(struct dm_arg * , struct dm_arg_set * , unsigned int * , char ** ) ; extern char const *dm_shift_arg(struct dm_arg_set * ) ; extern void dm_consume_args(struct dm_arg_set * , unsigned int ) ; extern int dm_suspended(struct dm_target * ) ; extern int dm_noflush_suspending(struct dm_target * ) ; extern fmode_t dm_table_get_mode(struct dm_table * ) ; extern void dm_table_event(struct dm_table * ) ; extern void dm_table_run_md_queue_async(struct dm_table * ) ; extern unsigned int dm_get_reserved_rq_based_ios(void) ; extern void dm_path_uevent(enum dm_uevent_type , struct dm_target * , char const * , unsigned int ) ; extern int scsi_dh_activate(struct request_queue * , void (*)(void * , int ) , void * ) ; extern int scsi_dh_handler_exist(char const * ) ; extern int scsi_dh_attach(struct request_queue * , char const * ) ; extern void scsi_dh_detach(struct request_queue * ) ; extern char const *scsi_dh_attached_handler_name(struct request_queue * , gfp_t ) ; extern int scsi_dh_set_params(struct request_queue * , char const * ) ; static struct kmem_cache *_mpio_cache ; static struct workqueue_struct *kmultipathd ; static struct workqueue_struct *kmpath_handlerd ; static void trigger_event(struct work_struct *work ) ; static void activate_path(struct work_struct *work ) ; static int __pgpath_busy(struct pgpath *pgpath ) ; static struct pgpath *alloc_pgpath(void) { struct pgpath *pgpath ; void *tmp ; struct lock_class_key __key ; atomic_long_t __constr_expr_0 ; struct lock_class_key __key___0 ; { tmp = kzalloc(272UL, 208U); pgpath = (struct pgpath *)tmp; if ((unsigned long )pgpath != (unsigned long )((struct pgpath *)0)) { pgpath->is_active = 1U; __init_work(& pgpath->activate_path.work, 0); __constr_expr_0.counter = 137438953408L; pgpath->activate_path.work.data = __constr_expr_0; lockdep_init_map(& pgpath->activate_path.work.lockdep_map, "(&(&pgpath->activate_path)->work)", & __key, 0); INIT_LIST_HEAD(& pgpath->activate_path.work.entry); pgpath->activate_path.work.func = & activate_path; init_timer_key(& pgpath->activate_path.timer, 2097152U, "(&(&pgpath->activate_path)->timer)", & __key___0); pgpath->activate_path.timer.function = & delayed_work_timer_fn; pgpath->activate_path.timer.data = (unsigned long )(& pgpath->activate_path); } else { } return (pgpath); } } static void free_pgpath(struct pgpath *pgpath ) { { kfree((void const *)pgpath); return; } } static struct priority_group *alloc_priority_group(void) { struct priority_group *pg ; void *tmp ; { tmp = kzalloc(72UL, 208U); pg = (struct priority_group *)tmp; if ((unsigned long )pg != (unsigned long )((struct priority_group *)0)) { INIT_LIST_HEAD(& pg->pgpaths); } else { } return (pg); } } static void free_pgpaths(struct list_head *pgpaths , struct dm_target *ti ) { struct pgpath *pgpath ; struct pgpath *tmp ; struct multipath *m ; struct list_head const *__mptr ; struct list_head const *__mptr___0 ; struct request_queue *tmp___0 ; struct list_head const *__mptr___1 ; { m = (struct multipath *)ti->private; __mptr = (struct list_head const *)pgpaths->next; pgpath = (struct pgpath *)__mptr; __mptr___0 = (struct list_head const *)pgpath->list.next; tmp = (struct pgpath *)__mptr___0; goto ldv_34890; ldv_34889: list_del(& pgpath->list); if ((unsigned long )m->hw_handler_name != (unsigned long )((char const *)0)) { tmp___0 = bdev_get_queue((pgpath->path.dev)->bdev); scsi_dh_detach(tmp___0); } else { } dm_put_device(ti, pgpath->path.dev); free_pgpath(pgpath); pgpath = tmp; __mptr___1 = (struct list_head const *)tmp->list.next; tmp = (struct pgpath *)__mptr___1; ldv_34890: ; if ((unsigned long )(& pgpath->list) != (unsigned long )pgpaths) { goto ldv_34889; } else { } return; } } static void free_priority_group(struct priority_group *pg , struct dm_target *ti ) { struct path_selector *ps ; { ps = & pg->ps; if ((unsigned long )ps->type != (unsigned long )((struct path_selector_type *)0)) { (*((ps->type)->destroy))(ps); dm_put_path_selector(ps->type); } else { } free_pgpaths(& pg->pgpaths, ti); kfree((void const *)pg); return; } } static struct multipath *alloc_multipath(struct dm_target *ti ) { struct multipath *m ; unsigned int min_ios ; unsigned int tmp ; void *tmp___0 ; struct lock_class_key __key ; struct lock_class_key __key___0 ; atomic_long_t __constr_expr_0 ; struct lock_class_key __key___1 ; struct lock_class_key __key___2 ; { tmp = dm_get_reserved_rq_based_ios(); min_ios = tmp; tmp___0 = kzalloc(536UL, 208U); m = (struct multipath *)tmp___0; if ((unsigned long )m != (unsigned long )((struct multipath *)0)) { INIT_LIST_HEAD(& m->priority_groups); spinlock_check(& m->lock); __raw_spin_lock_init(& m->lock.__annonCompField18.rlock, "&(&m->lock)->rlock", & __key); m->queue_io = 1U; m->pg_init_delay_msecs = 4294967295U; __init_work(& m->trigger_event, 0); __constr_expr_0.counter = 137438953408L; m->trigger_event.data = __constr_expr_0; lockdep_init_map(& m->trigger_event.lockdep_map, "(&m->trigger_event)", & __key___0, 0); INIT_LIST_HEAD(& m->trigger_event.entry); m->trigger_event.func = & trigger_event; __init_waitqueue_head(& m->pg_init_wait, "&m->pg_init_wait", & __key___1); __mutex_init(& m->work_mutex, "&m->work_mutex", & __key___2); m->mpio_pool = mempool_create_slab_pool((int )min_ios, _mpio_cache); if ((unsigned long )m->mpio_pool == (unsigned long )((mempool_t *)0)) { kfree((void const *)m); return ((struct multipath *)0); } else { } m->ti = ti; ti->private = (void *)m; } else { } return (m); } } static void free_multipath(struct multipath *m ) { struct priority_group *pg ; struct priority_group *tmp ; struct list_head const *__mptr ; struct list_head const *__mptr___0 ; struct list_head const *__mptr___1 ; { __mptr = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr; __mptr___0 = (struct list_head const *)pg->list.next; tmp = (struct priority_group *)__mptr___0; goto ldv_34919; ldv_34918: list_del(& pg->list); free_priority_group(pg, m->ti); pg = tmp; __mptr___1 = (struct list_head const *)tmp->list.next; tmp = (struct priority_group *)__mptr___1; ldv_34919: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_34918; } else { } kfree((void const *)m->hw_handler_name); kfree((void const *)m->hw_handler_params); mempool_destroy(m->mpio_pool); kfree((void const *)m); return; } } static int set_mapinfo(struct multipath *m , union map_info *info ) { struct dm_mpath_io *mpio ; void *tmp ; { tmp = mempool_alloc(m->mpio_pool, 32U); mpio = (struct dm_mpath_io *)tmp; if ((unsigned long )mpio == (unsigned long )((struct dm_mpath_io *)0)) { return (-12); } else { } memset((void *)mpio, 0, 16UL); info->ptr = (void *)mpio; return (0); } } static void clear_mapinfo(struct multipath *m , union map_info *info ) { struct dm_mpath_io *mpio ; { mpio = (struct dm_mpath_io *)info->ptr; info->ptr = (void *)0; mempool_free((void *)mpio, m->mpio_pool); return; } } static int __pg_init_all_paths(struct multipath *m ) { struct pgpath *pgpath ; unsigned long pg_init_delay ; struct list_head const *__mptr ; bool tmp ; struct list_head const *__mptr___0 ; { pg_init_delay = 0UL; if (m->pg_init_in_progress != 0U || (unsigned int )*((unsigned char *)m + 268UL) != 0U) { return (0); } else { } m->pg_init_count = m->pg_init_count + 1U; m->pg_init_required = 0U; if ((unsigned long )m->current_pg == (unsigned long )((struct priority_group *)0)) { return (0); } else { } if (m->pg_init_delay_retry != 0U) { pg_init_delay = msecs_to_jiffies(m->pg_init_delay_msecs != 4294967295U ? m->pg_init_delay_msecs : 2000U); } else { } __mptr = (struct list_head const *)(m->current_pg)->pgpaths.next; pgpath = (struct pgpath *)__mptr; goto ldv_34942; ldv_34941: ; if (pgpath->is_active == 0U) { goto ldv_34940; } else { } tmp = queue_delayed_work(kmpath_handlerd, & pgpath->activate_path, pg_init_delay); if ((int )tmp) { m->pg_init_in_progress = m->pg_init_in_progress + 1U; } else { } ldv_34940: __mptr___0 = (struct list_head const *)pgpath->list.next; pgpath = (struct pgpath *)__mptr___0; ldv_34942: ; if ((unsigned long )(& pgpath->list) != (unsigned long )(& (m->current_pg)->pgpaths)) { goto ldv_34941; } else { } return ((int )m->pg_init_in_progress); } } static void __switch_pg(struct multipath *m , struct pgpath *pgpath ) { { m->current_pg = pgpath->pg; if ((unsigned long )m->hw_handler_name != (unsigned long )((char const *)0)) { m->pg_init_required = 1U; m->queue_io = 1U; } else { m->pg_init_required = 0U; m->queue_io = 0U; } m->pg_init_count = 0U; return; } } static int __choose_path_in_pg(struct multipath *m , struct priority_group *pg , size_t nr_bytes ) { struct dm_path *path ; struct dm_path const *__mptr ; { path = (*((pg->ps.type)->select_path))(& pg->ps, & m->repeat_count, nr_bytes); if ((unsigned long )path == (unsigned long )((struct dm_path *)0)) { return (-6); } else { } __mptr = (struct dm_path const *)path; m->current_pgpath = (struct pgpath *)__mptr + 0xffffffffffffffe0UL; if ((unsigned long )m->current_pg != (unsigned long )pg) { __switch_pg(m, m->current_pgpath); } else { } return (0); } } static void __choose_pgpath(struct multipath *m , size_t nr_bytes ) { struct priority_group *pg ; unsigned int bypassed ; int tmp ; int tmp___0 ; struct list_head const *__mptr ; int tmp___1 ; struct list_head const *__mptr___0 ; unsigned int tmp___2 ; { bypassed = 1U; if (m->nr_valid_paths == 0U) { m->queue_io = 0U; goto failed; } else { } if ((unsigned long )m->next_pg != (unsigned long )((struct priority_group *)0)) { pg = m->next_pg; m->next_pg = (struct priority_group *)0; tmp = __choose_path_in_pg(m, pg, nr_bytes); if (tmp == 0) { return; } else { } } else { } if ((unsigned long )m->current_pg != (unsigned long )((struct priority_group *)0)) { tmp___0 = __choose_path_in_pg(m, m->current_pg, nr_bytes); if (tmp___0 == 0) { return; } else { } } else { } ldv_34971: __mptr = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr; goto ldv_34969; ldv_34968: ; if (pg->bypassed == bypassed) { goto ldv_34967; } else { } tmp___1 = __choose_path_in_pg(m, pg, nr_bytes); if (tmp___1 == 0) { if (bypassed == 0U) { m->pg_init_delay_retry = 1U; } else { } return; } else { } ldv_34967: __mptr___0 = (struct list_head const *)pg->list.next; pg = (struct priority_group *)__mptr___0; ldv_34969: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_34968; } else { } tmp___2 = bypassed; bypassed = bypassed - 1U; if (tmp___2 != 0U) { goto ldv_34971; } else { } failed: m->current_pgpath = (struct pgpath *)0; m->current_pg = (struct priority_group *)0; return; } } static int __must_push_back(struct multipath *m ) { int tmp ; int tmp___0 ; { if ((unsigned int )*((unsigned char *)m + 268UL) != 0U) { tmp___0 = 1; } else if ((int )m->queue_if_no_path != (int )m->saved_queue_if_no_path) { tmp = dm_noflush_suspending(m->ti); if (tmp != 0) { tmp___0 = 1; } else { tmp___0 = 0; } } else { tmp___0 = 0; } return (tmp___0); } } static int __multipath_map(struct dm_target *ti , struct request *clone , union map_info *map_context , struct request *rq , struct request **__clone ) { struct multipath *m ; int r ; size_t nr_bytes ; unsigned int tmp ; unsigned int tmp___0 ; unsigned int tmp___1 ; struct pgpath *pgpath ; struct block_device *bdev ; struct dm_mpath_io *mpio ; int tmp___2 ; int tmp___3 ; struct request_queue *tmp___4 ; bool tmp___5 ; struct bio *tmp___6 ; { m = (struct multipath *)ti->private; r = 2; if ((unsigned long )clone != (unsigned long )((struct request *)0)) { tmp = blk_rq_bytes((struct request const *)clone); tmp___1 = tmp; } else { tmp___0 = blk_rq_bytes((struct request const *)rq); tmp___1 = tmp___0; } nr_bytes = (size_t )tmp___1; spin_lock_irq(& m->lock); if ((unsigned long )m->current_pgpath == (unsigned long )((struct pgpath *)0)) { __choose_pgpath(m, nr_bytes); } else if ((unsigned int )*((unsigned char *)m + 268UL) == 0U) { if (m->repeat_count != 0U) { m->repeat_count = m->repeat_count - 1U; if (m->repeat_count == 0U) { __choose_pgpath(m, nr_bytes); } else { } } else { } } else { } pgpath = m->current_pgpath; if ((unsigned long )pgpath == (unsigned long )((struct pgpath *)0)) { tmp___2 = __must_push_back(m); if (tmp___2 == 0) { r = -5; } else { } goto out_unlock; } else if ((unsigned int )*((unsigned char *)m + 268UL) != 0U || m->pg_init_required != 0U) { __pg_init_all_paths(m); goto out_unlock; } else { } tmp___3 = set_mapinfo(m, map_context); if (tmp___3 < 0) { goto out_unlock; } else { } mpio = (struct dm_mpath_io *)map_context->ptr; mpio->pgpath = pgpath; mpio->nr_bytes = nr_bytes; bdev = (pgpath->path.dev)->bdev; spin_unlock_irq(& m->lock); if ((unsigned long )clone != (unsigned long )((struct request *)0)) { clone->q = bdev_get_queue(bdev); clone->rq_disk = bdev->bd_disk; clone->cmd_flags = clone->cmd_flags | 4ULL; } else { tmp___4 = bdev_get_queue(bdev); *__clone = blk_get_request(tmp___4, (int )rq->cmd_flags & 1, 32U); tmp___5 = IS_ERR((void const *)*__clone); if ((int )tmp___5) { clear_mapinfo(m, map_context); return (r); } else { } tmp___6 = (struct bio *)0; (*__clone)->biotail = tmp___6; (*__clone)->bio = tmp___6; (*__clone)->rq_disk = bdev->bd_disk; (*__clone)->cmd_flags = (*__clone)->cmd_flags | 4ULL; } if ((unsigned long )((pgpath->pg)->ps.type)->start_io != (unsigned long )((int (*)(struct path_selector * , struct dm_path * , size_t ))0)) { (*(((pgpath->pg)->ps.type)->start_io))(& (pgpath->pg)->ps, & pgpath->path, nr_bytes); } else { } return (1); out_unlock: spin_unlock_irq(& m->lock); return (r); } } static int multipath_map(struct dm_target *ti , struct request *clone , union map_info *map_context ) { int tmp ; { tmp = __multipath_map(ti, clone, map_context, (struct request *)0, (struct request **)0); return (tmp); } } static int multipath_clone_and_map(struct dm_target *ti , struct request *rq , union map_info *map_context , struct request **clone ) { int tmp ; { tmp = __multipath_map(ti, (struct request *)0, map_context, rq, clone); return (tmp); } } static void multipath_release_clone(struct request *clone ) { { blk_put_request(clone); return; } } static int queue_if_no_path(struct multipath *m , unsigned int queue_if_no_path___0 , unsigned int save_old_value ) { unsigned long flags ; raw_spinlock_t *tmp ; { tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); if (save_old_value != 0U) { m->saved_queue_if_no_path = m->queue_if_no_path; } else { m->saved_queue_if_no_path = (unsigned char )queue_if_no_path___0; } m->queue_if_no_path = (unsigned char )queue_if_no_path___0; spin_unlock_irqrestore(& m->lock, flags); if (queue_if_no_path___0 == 0U) { dm_table_run_md_queue_async((m->ti)->table); } else { } return (0); } } static void trigger_event(struct work_struct *work ) { struct multipath *m ; struct work_struct const *__mptr ; { __mptr = (struct work_struct const *)work; m = (struct multipath *)__mptr + 0xfffffffffffffee0UL; dm_table_event((m->ti)->table); return; } } static int parse_path_selector(struct dm_arg_set *as , struct priority_group *pg , struct dm_target *ti ) { int r ; struct path_selector_type *pst ; unsigned int ps_argc ; struct dm_arg _args[1U] ; char const *tmp ; { _args[0].min = 0U; _args[0].max = 1024U; _args[0].error = (char *)"invalid number of path selector args"; tmp = dm_shift_arg(as); pst = dm_get_path_selector(tmp); if ((unsigned long )pst == (unsigned long )((struct path_selector_type *)0)) { ti->error = (char *)"unknown path selector type"; return (-22); } else { } r = dm_read_arg_group((struct dm_arg *)(& _args), as, & ps_argc, & ti->error); if (r != 0) { dm_put_path_selector(pst); return (-22); } else { } r = (*(pst->create))(& pg->ps, ps_argc, as->argv); if (r != 0) { dm_put_path_selector(pst); ti->error = (char *)"path selector constructor failed"; return (r); } else { } pg->ps.type = pst; dm_consume_args(as, ps_argc); return (0); } } static struct pgpath *parse_path(struct dm_arg_set *as , struct path_selector *ps , struct dm_target *ti ) { int r ; struct pgpath *p ; struct multipath *m ; struct request_queue *q ; char const *attached_handler_name ; void *tmp ; void *tmp___0 ; fmode_t tmp___1 ; char const *tmp___2 ; void *tmp___3 ; { m = (struct multipath *)ti->private; q = (struct request_queue *)0; if (as->argc == 0U) { ti->error = (char *)"no device given"; tmp = ERR_PTR(-22L); return ((struct pgpath *)tmp); } else { } p = alloc_pgpath(); if ((unsigned long )p == (unsigned long )((struct pgpath *)0)) { tmp___0 = ERR_PTR(-12L); return ((struct pgpath *)tmp___0); } else { } tmp___1 = dm_table_get_mode(ti->table); tmp___2 = dm_shift_arg(as); r = dm_get_device(ti, tmp___2, tmp___1, & p->path.dev); if (r != 0) { ti->error = (char *)"error getting device"; goto bad; } else { } if ((unsigned int )*((unsigned char *)m + 268UL) != 0U || (unsigned long )m->hw_handler_name != (unsigned long )((char const *)0)) { q = bdev_get_queue((p->path.dev)->bdev); } else { } if ((unsigned int )*((unsigned char *)m + 268UL) != 0U) { attached_handler_name = scsi_dh_attached_handler_name(q, 208U); if ((unsigned long )attached_handler_name != (unsigned long )((char const *)0)) { kfree((void const *)m->hw_handler_name); m->hw_handler_name = attached_handler_name; kfree((void const *)m->hw_handler_params); m->hw_handler_params = (char *)0; } else { } } else { } if ((unsigned long )m->hw_handler_name != (unsigned long )((char const *)0)) { r = scsi_dh_attach(q, m->hw_handler_name); if (r == -16) { scsi_dh_detach(q); r = scsi_dh_attach(q, m->hw_handler_name); } else { } if (r < 0) { ti->error = (char *)"error attaching hardware handler"; dm_put_device(ti, p->path.dev); goto bad; } else { } if ((unsigned long )m->hw_handler_params != (unsigned long )((char *)0)) { r = scsi_dh_set_params(q, (char const *)m->hw_handler_params); if (r < 0) { ti->error = (char *)"unable to set hardware handler parameters"; scsi_dh_detach(q); dm_put_device(ti, p->path.dev); goto bad; } else { } } else { } } else { } r = (*((ps->type)->add_path))(ps, & p->path, (int )as->argc, as->argv, & ti->error); if (r != 0) { dm_put_device(ti, p->path.dev); goto bad; } else { } return (p); bad: free_pgpath(p); tmp___3 = ERR_PTR((long )r); return ((struct pgpath *)tmp___3); } } static struct priority_group *parse_priority_group(struct dm_arg_set *as , struct multipath *m ) { struct dm_arg _args[2U] ; int r ; unsigned int i ; unsigned int nr_selector_args ; unsigned int nr_args ; struct priority_group *pg ; struct dm_target *ti ; void *tmp ; void *tmp___0 ; struct pgpath *pgpath ; struct dm_arg_set path_args ; long tmp___1 ; bool tmp___2 ; void *tmp___3 ; { _args[0].min = 1U; _args[0].max = 1024U; _args[0].error = (char *)"invalid number of paths"; _args[1].min = 0U; _args[1].max = 1024U; _args[1].error = (char *)"invalid number of selector args"; ti = m->ti; if (as->argc <= 1U) { as->argc = 0U; ti->error = (char *)"not enough priority group arguments"; tmp = ERR_PTR(-22L); return ((struct priority_group *)tmp); } else { } pg = alloc_priority_group(); if ((unsigned long )pg == (unsigned long )((struct priority_group *)0)) { ti->error = (char *)"couldn\'t allocate priority group"; tmp___0 = ERR_PTR(-12L); return ((struct priority_group *)tmp___0); } else { } pg->m = m; r = parse_path_selector(as, pg, ti); if (r != 0) { goto bad; } else { } r = dm_read_arg((struct dm_arg *)(& _args), as, & pg->nr_pgpaths, & ti->error); if (r != 0) { goto bad; } else { } r = dm_read_arg((struct dm_arg *)(& _args) + 1UL, as, & nr_selector_args, & ti->error); if (r != 0) { goto bad; } else { } nr_args = nr_selector_args + 1U; i = 0U; goto ldv_35054; ldv_35053: ; if (as->argc < nr_args) { ti->error = (char *)"not enough path parameters"; r = -22; goto bad; } else { } path_args.argc = nr_args; path_args.argv = as->argv; pgpath = parse_path(& path_args, & pg->ps, ti); tmp___2 = IS_ERR((void const *)pgpath); if ((int )tmp___2) { tmp___1 = PTR_ERR((void const *)pgpath); r = (int )tmp___1; goto bad; } else { } pgpath->pg = pg; list_add_tail(& pgpath->list, & pg->pgpaths); dm_consume_args(as, nr_args); i = i + 1U; ldv_35054: ; if (pg->nr_pgpaths > i) { goto ldv_35053; } else { } return (pg); bad: free_priority_group(pg, ti); tmp___3 = ERR_PTR((long )r); return ((struct priority_group *)tmp___3); } } static int parse_hw_handler(struct dm_arg_set *as , struct multipath *m ) { unsigned int hw_argc ; int ret ; struct dm_target *ti ; struct dm_arg _args[1U] ; int tmp ; char const *tmp___0 ; char *tmp___1 ; int tmp___3 ; int tmp___4 ; int tmp___5 ; int tmp___6 ; char *p ; int i ; int j ; int len ; size_t tmp___7 ; char *tmp___8 ; void *tmp___9 ; { ti = m->ti; _args[0].min = 0U; _args[0].max = 1024U; _args[0].error = (char *)"invalid number of hardware handler args"; tmp = dm_read_arg_group((struct dm_arg *)(& _args), as, & hw_argc, & ti->error); if (tmp != 0) { return (-22); } else { } if (hw_argc == 0U) { return (0); } else { } tmp___0 = dm_shift_arg(as); tmp___1 = kstrdup(tmp___0, 208U); m->hw_handler_name = (char const *)tmp___1; tmp___6 = scsi_dh_handler_exist(m->hw_handler_name); if (tmp___6 != 0) { tmp___3 = scsi_dh_handler_exist(m->hw_handler_name); tmp___5 = tmp___3 == 0; } else { __request_module(1, "scsi_dh_%s", m->hw_handler_name); tmp___4 = scsi_dh_handler_exist(m->hw_handler_name); tmp___5 = tmp___4 == 0; } if (tmp___5) { ti->error = (char *)"unknown hardware handler type"; ret = -22; goto fail; } else { } if (hw_argc > 1U) { len = 4; i = 0; goto ldv_35070; ldv_35069: tmp___7 = strlen((char const *)*(as->argv + (unsigned long )i)); len = (int )(((unsigned int )tmp___7 + (unsigned int )len) + 1U); i = i + 1; ldv_35070: ; if ((unsigned int )i <= hw_argc - 2U) { goto ldv_35069; } else { } tmp___9 = kzalloc((size_t )len, 208U); tmp___8 = (char *)tmp___9; m->hw_handler_params = tmp___8; p = tmp___8; if ((unsigned long )p == (unsigned long )((char *)0)) { ti->error = (char *)"memory allocation failed"; ret = -12; goto fail; } else { } j = sprintf(p, "%d", hw_argc - 1U); i = 0; p = p + ((unsigned long )j + 1UL); goto ldv_35073; ldv_35072: j = sprintf(p, "%s", *(as->argv + (unsigned long )i)); i = i + 1; p = p + ((unsigned long )j + 1UL); ldv_35073: ; if ((unsigned int )i <= hw_argc - 2U) { goto ldv_35072; } else { } } else { } dm_consume_args(as, hw_argc - 1U); return (0); fail: kfree((void const *)m->hw_handler_name); m->hw_handler_name = (char const *)0; return (ret); } } static int parse_features(struct dm_arg_set *as , struct multipath *m ) { int r ; unsigned int argc ; struct dm_target *ti ; char const *arg_name ; struct dm_arg _args[3U] ; int tmp ; int tmp___0 ; int tmp___1 ; int tmp___2 ; { ti = m->ti; _args[0].min = 0U; _args[0].max = 6U; _args[0].error = (char *)"invalid number of feature args"; _args[1].min = 1U; _args[1].max = 50U; _args[1].error = (char *)"pg_init_retries must be between 1 and 50"; _args[2].min = 0U; _args[2].max = 60000U; _args[2].error = (char *)"pg_init_delay_msecs must be between 0 and 60000"; r = dm_read_arg_group((struct dm_arg *)(& _args), as, & argc, & ti->error); if (r != 0) { return (-22); } else { } if (argc == 0U) { return (0); } else { } ldv_35085: arg_name = dm_shift_arg(as); argc = argc - 1U; tmp = strcasecmp(arg_name, "queue_if_no_path"); if (tmp == 0) { r = queue_if_no_path(m, 1U, 0U); goto ldv_35084; } else { } tmp___0 = strcasecmp(arg_name, "retain_attached_hw_handler"); if (tmp___0 == 0) { m->retain_attached_hw_handler = 1U; goto ldv_35084; } else { } tmp___1 = strcasecmp(arg_name, "pg_init_retries"); if (tmp___1 == 0 && argc != 0U) { r = dm_read_arg((struct dm_arg *)(& _args) + 1UL, as, & m->pg_init_retries, & ti->error); argc = argc - 1U; goto ldv_35084; } else { } tmp___2 = strcasecmp(arg_name, "pg_init_delay_msecs"); if (tmp___2 == 0 && argc != 0U) { r = dm_read_arg((struct dm_arg *)(& _args) + 2UL, as, & m->pg_init_delay_msecs, & ti->error); argc = argc - 1U; goto ldv_35084; } else { } ti->error = (char *)"Unrecognised multipath feature request"; r = -22; ldv_35084: ; if (argc != 0U && r == 0) { goto ldv_35085; } else { } return (r); } } static int multipath_ctr(struct dm_target *ti , unsigned int argc , char **argv ) { struct dm_arg _args[2U] ; int r ; struct multipath *m ; struct dm_arg_set as ; unsigned int pg_count ; unsigned int next_pg_num ; struct priority_group *pg ; long tmp ; bool tmp___0 ; { _args[0].min = 0U; _args[0].max = 1024U; _args[0].error = (char *)"invalid number of priority groups"; _args[1].min = 0U; _args[1].max = 1024U; _args[1].error = (char *)"invalid initial priority group number"; pg_count = 0U; as.argc = argc; as.argv = argv; m = alloc_multipath(ti); if ((unsigned long )m == (unsigned long )((struct multipath *)0)) { ti->error = (char *)"can\'t allocate multipath"; return (-22); } else { } r = parse_features(& as, m); if (r != 0) { goto bad; } else { } r = parse_hw_handler(& as, m); if (r != 0) { goto bad; } else { } r = dm_read_arg((struct dm_arg *)(& _args), & as, & m->nr_priority_groups, & ti->error); if (r != 0) { goto bad; } else { } r = dm_read_arg((struct dm_arg *)(& _args) + 1UL, & as, & next_pg_num, & ti->error); if (r != 0) { goto bad; } else { } if ((m->nr_priority_groups == 0U && next_pg_num != 0U) || (m->nr_priority_groups != 0U && next_pg_num == 0U)) { ti->error = (char *)"invalid initial priority group"; r = -22; goto bad; } else { } goto ldv_35101; ldv_35100: pg = parse_priority_group(& as, m); tmp___0 = IS_ERR((void const *)pg); if ((int )tmp___0) { tmp = PTR_ERR((void const *)pg); r = (int )tmp; goto bad; } else { } m->nr_valid_paths = m->nr_valid_paths + pg->nr_pgpaths; list_add_tail(& pg->list, & m->priority_groups); pg_count = pg_count + 1U; pg->pg_num = pg_count; next_pg_num = next_pg_num - 1U; if (next_pg_num == 0U) { m->next_pg = pg; } else { } ldv_35101: ; if (as.argc != 0U) { goto ldv_35100; } else { } if (m->nr_priority_groups != pg_count) { ti->error = (char *)"priority group count mismatch"; r = -22; goto bad; } else { } ti->num_flush_bios = 1U; ti->num_discard_bios = 1U; ti->num_write_same_bios = 1U; return (0); bad: free_multipath(m); return (r); } } static void multipath_wait_for_pg_init_completion(struct multipath *m ) { wait_queue_t wait ; struct task_struct *tmp ; unsigned long flags ; struct task_struct *tmp___0 ; long volatile __ret ; struct task_struct *tmp___1 ; struct task_struct *tmp___2 ; struct task_struct *tmp___3 ; struct task_struct *tmp___4 ; raw_spinlock_t *tmp___5 ; struct task_struct *tmp___6 ; long volatile __ret___0 ; struct task_struct *tmp___7 ; struct task_struct *tmp___8 ; struct task_struct *tmp___9 ; struct task_struct *tmp___10 ; { tmp = get_current(); wait.flags = 0U; wait.private = (void *)tmp; wait.func = & default_wake_function; wait.task_list.next = (struct list_head *)0; wait.task_list.prev = (struct list_head *)0; add_wait_queue(& m->pg_init_wait, & wait); ldv_35120: tmp___0 = get_current(); tmp___0->task_state_change = 0UL; __ret = 2L; switch (8UL) { case 1UL: tmp___1 = get_current(); __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); goto ldv_35110; case 2UL: tmp___2 = get_current(); __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); goto ldv_35110; case 4UL: tmp___3 = get_current(); __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); goto ldv_35110; case 8UL: tmp___4 = get_current(); __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); goto ldv_35110; default: __xchg_wrong_size(); } ldv_35110: tmp___5 = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp___5); if (m->pg_init_in_progress == 0U) { spin_unlock_irqrestore(& m->lock, flags); goto ldv_35119; } else { } spin_unlock_irqrestore(& m->lock, flags); io_schedule(); goto ldv_35120; ldv_35119: tmp___6 = get_current(); tmp___6->task_state_change = 0UL; __ret___0 = 0L; switch (8UL) { case 1UL: tmp___7 = get_current(); __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); goto ldv_35123; case 2UL: tmp___8 = get_current(); __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); goto ldv_35123; case 4UL: tmp___9 = get_current(); __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); goto ldv_35123; case 8UL: tmp___10 = get_current(); __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); goto ldv_35123; default: __xchg_wrong_size(); } ldv_35123: remove_wait_queue(& m->pg_init_wait, & wait); return; } } static void flush_multipath_work(struct multipath *m ) { unsigned long flags ; raw_spinlock_t *tmp ; raw_spinlock_t *tmp___0 ; { tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); m->pg_init_disabled = 1U; spin_unlock_irqrestore(& m->lock, flags); ldv_flush_workqueue_26(kmpath_handlerd); multipath_wait_for_pg_init_completion(m); ldv_flush_workqueue_27(kmultipathd); ldv_flush_work_28(& m->trigger_event); tmp___0 = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp___0); m->pg_init_disabled = 0U; spin_unlock_irqrestore(& m->lock, flags); return; } } static void multipath_dtr(struct dm_target *ti ) { struct multipath *m ; { m = (struct multipath *)ti->private; flush_multipath_work(m); free_multipath(m); return; } } static int fail_path(struct pgpath *pgpath ) { unsigned long flags ; struct multipath *m ; raw_spinlock_t *tmp ; { m = (pgpath->pg)->m; tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); if (pgpath->is_active == 0U) { goto out; } else { } printk("\fdevice-mapper: multipath: Failing path %s.\n", (char *)(& (pgpath->path.dev)->name)); (*(((pgpath->pg)->ps.type)->fail_path))(& (pgpath->pg)->ps, & pgpath->path); pgpath->is_active = 0U; pgpath->fail_count = pgpath->fail_count + 1U; m->nr_valid_paths = m->nr_valid_paths - 1U; if ((unsigned long )m->current_pgpath == (unsigned long )pgpath) { m->current_pgpath = (struct pgpath *)0; } else { } dm_path_uevent(0, m->ti, (char const *)(& (pgpath->path.dev)->name), m->nr_valid_paths); schedule_work(& m->trigger_event); out: spin_unlock_irqrestore(& m->lock, flags); return (0); } } static int reinstate_path(struct pgpath *pgpath ) { int r ; int run_queue ; unsigned long flags ; struct multipath *m ; raw_spinlock_t *tmp ; bool tmp___0 ; unsigned int tmp___1 ; { r = 0; run_queue = 0; m = (pgpath->pg)->m; tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); if (pgpath->is_active != 0U) { goto out; } else { } if ((unsigned long )((pgpath->pg)->ps.type)->reinstate_path == (unsigned long )((int (*)(struct path_selector * , struct dm_path * ))0)) { printk("\fdevice-mapper: multipath: Reinstate path not supported by path selector %s\n", ((pgpath->pg)->ps.type)->name); r = -22; goto out; } else { } r = (*(((pgpath->pg)->ps.type)->reinstate_path))(& (pgpath->pg)->ps, & pgpath->path); if (r != 0) { goto out; } else { } pgpath->is_active = 1U; tmp___1 = m->nr_valid_paths; m->nr_valid_paths = m->nr_valid_paths + 1U; if (tmp___1 == 0U) { m->current_pgpath = (struct pgpath *)0; run_queue = 1; } else if ((unsigned long )m->hw_handler_name != (unsigned long )((char const *)0) && (unsigned long )m->current_pg == (unsigned long )pgpath->pg) { tmp___0 = queue_work(kmpath_handlerd, & pgpath->activate_path.work); if ((int )tmp___0) { m->pg_init_in_progress = m->pg_init_in_progress + 1U; } else { } } else { } dm_path_uevent(1, m->ti, (char const *)(& (pgpath->path.dev)->name), m->nr_valid_paths); schedule_work(& m->trigger_event); out: spin_unlock_irqrestore(& m->lock, flags); if (run_queue != 0) { dm_table_run_md_queue_async((m->ti)->table); } else { } return (r); } } static int action_dev(struct multipath *m , struct dm_dev *dev , int (*action)(struct pgpath * ) ) { int r ; struct pgpath *pgpath ; struct priority_group *pg ; struct list_head const *__mptr ; struct list_head const *__mptr___0 ; struct list_head const *__mptr___1 ; struct list_head const *__mptr___2 ; { r = -22; __mptr = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr; goto ldv_35183; ldv_35182: __mptr___0 = (struct list_head const *)pg->pgpaths.next; pgpath = (struct pgpath *)__mptr___0; goto ldv_35180; ldv_35179: ; if ((unsigned long )pgpath->path.dev == (unsigned long )dev) { r = (*action)(pgpath); } else { } __mptr___1 = (struct list_head const *)pgpath->list.next; pgpath = (struct pgpath *)__mptr___1; ldv_35180: ; if ((unsigned long )(& pgpath->list) != (unsigned long )(& pg->pgpaths)) { goto ldv_35179; } else { } __mptr___2 = (struct list_head const *)pg->list.next; pg = (struct priority_group *)__mptr___2; ldv_35183: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_35182; } else { } return (r); } } static void bypass_pg(struct multipath *m , struct priority_group *pg , int bypassed ) { unsigned long flags ; raw_spinlock_t *tmp ; { tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); pg->bypassed = (unsigned int )bypassed; m->current_pgpath = (struct pgpath *)0; m->current_pg = (struct priority_group *)0; spin_unlock_irqrestore(& m->lock, flags); schedule_work(& m->trigger_event); return; } } static int switch_pg_num(struct multipath *m , char const *pgstr ) { struct priority_group *pg ; unsigned int pgnum ; unsigned long flags ; char dummy ; int tmp ; raw_spinlock_t *tmp___0 ; struct list_head const *__mptr ; struct list_head const *__mptr___0 ; { if ((unsigned long )pgstr == (unsigned long )((char const *)0)) { printk("\fdevice-mapper: multipath: invalid PG number supplied to switch_pg_num\n"); return (-22); } else { tmp = sscanf(pgstr, "%u%c", & pgnum, & dummy); if (tmp != 1) { printk("\fdevice-mapper: multipath: invalid PG number supplied to switch_pg_num\n"); return (-22); } else if (pgnum == 0U) { printk("\fdevice-mapper: multipath: invalid PG number supplied to switch_pg_num\n"); return (-22); } else if (m->nr_priority_groups < pgnum) { printk("\fdevice-mapper: multipath: invalid PG number supplied to switch_pg_num\n"); return (-22); } else { } } tmp___0 = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp___0); __mptr = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr; goto ldv_35211; ldv_35210: pg->bypassed = 0U; pgnum = pgnum - 1U; if (pgnum != 0U) { goto ldv_35209; } else { } m->current_pgpath = (struct pgpath *)0; m->current_pg = (struct priority_group *)0; m->next_pg = pg; ldv_35209: __mptr___0 = (struct list_head const *)pg->list.next; pg = (struct priority_group *)__mptr___0; ldv_35211: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_35210; } else { } spin_unlock_irqrestore(& m->lock, flags); schedule_work(& m->trigger_event); return (0); } } static int bypass_pg_num(struct multipath *m , char const *pgstr , int bypassed ) { struct priority_group *pg ; unsigned int pgnum ; char dummy ; int tmp ; struct list_head const *__mptr ; struct list_head const *__mptr___0 ; { if ((unsigned long )pgstr == (unsigned long )((char const *)0)) { printk("\fdevice-mapper: multipath: invalid PG number supplied to bypass_pg\n"); return (-22); } else { tmp = sscanf(pgstr, "%u%c", & pgnum, & dummy); if (tmp != 1) { printk("\fdevice-mapper: multipath: invalid PG number supplied to bypass_pg\n"); return (-22); } else if (pgnum == 0U) { printk("\fdevice-mapper: multipath: invalid PG number supplied to bypass_pg\n"); return (-22); } else if (m->nr_priority_groups < pgnum) { printk("\fdevice-mapper: multipath: invalid PG number supplied to bypass_pg\n"); return (-22); } else { } } __mptr = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr; goto ldv_35227; ldv_35226: pgnum = pgnum - 1U; if (pgnum == 0U) { goto ldv_35225; } else { } __mptr___0 = (struct list_head const *)pg->list.next; pg = (struct priority_group *)__mptr___0; ldv_35227: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_35226; } else { } ldv_35225: bypass_pg(m, pg, bypassed); return (0); } } static int pg_init_limit_reached(struct multipath *m , struct pgpath *pgpath ) { unsigned long flags ; int limit_reached ; raw_spinlock_t *tmp ; { limit_reached = 0; tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); if (m->pg_init_count <= m->pg_init_retries && (unsigned int )*((unsigned char *)m + 268UL) == 0U) { m->pg_init_required = 1U; } else { limit_reached = 1; } spin_unlock_irqrestore(& m->lock, flags); return (limit_reached); } } static void pg_init_done(void *data , int errors ) { struct pgpath *pgpath ; struct priority_group *pg ; struct multipath *m ; unsigned long flags ; unsigned int delay_retry ; int tmp ; raw_spinlock_t *tmp___0 ; int tmp___1 ; { pgpath = (struct pgpath *)data; pg = pgpath->pg; m = pg->m; delay_retry = 0U; switch (errors) { case 0: ; goto ldv_35247; case 15: ; if ((unsigned long )m->hw_handler_name == (unsigned long )((char const *)0)) { errors = 0; goto ldv_35247; } else { } printk("\vdevice-mapper: multipath: Could not failover the device: Handler scsi_dh_%s Error %d.\n", m->hw_handler_name, errors); fail_path(pgpath); goto ldv_35247; case 2: bypass_pg(m, pg, 1); goto ldv_35247; case 10: delay_retry = 1U; case 11: ; case 13: tmp = pg_init_limit_reached(m, pgpath); if (tmp != 0) { fail_path(pgpath); } else { } errors = 0; goto ldv_35247; default: fail_path(pgpath); } ldv_35247: tmp___0 = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp___0); if (errors != 0) { if ((unsigned long )m->current_pgpath == (unsigned long )pgpath) { printk("\vdevice-mapper: multipath: Could not failover device. Error %d.\n", errors); m->current_pgpath = (struct pgpath *)0; m->current_pg = (struct priority_group *)0; } else { } } else if (m->pg_init_required == 0U) { pg->bypassed = 0U; } else { } m->pg_init_in_progress = m->pg_init_in_progress - 1U; if (m->pg_init_in_progress != 0U) { goto out; } else { } if (m->pg_init_required != 0U) { m->pg_init_delay_retry = delay_retry; tmp___1 = __pg_init_all_paths(m); if (tmp___1 != 0) { goto out; } else { } } else { } m->queue_io = 0U; __wake_up(& m->pg_init_wait, 3U, 1, (void *)0); out: spin_unlock_irqrestore(& m->lock, flags); return; } } static void activate_path(struct work_struct *work ) { struct pgpath *pgpath ; struct work_struct const *__mptr ; struct request_queue *tmp ; { __mptr = (struct work_struct const *)work; pgpath = (struct pgpath *)__mptr + 0xffffffffffffffd0UL; if (pgpath->is_active != 0U) { tmp = bdev_get_queue((pgpath->path.dev)->bdev); scsi_dh_activate(tmp, & pg_init_done, (void *)pgpath); } else { pg_init_done((void *)pgpath, 14); } return; } } static int noretry_error(int error ) { { switch (error) { case -95: ; case -121: ; case -84: ; case -61: ; case -28: ; return (1); } return (0); } } static int do_end_io(struct multipath *m , struct request *clone , int error , struct dm_mpath_io *mpio ) { int r ; unsigned long flags ; int tmp ; raw_spinlock_t *tmp___0 ; int tmp___1 ; { r = 2; if (error == 0 && clone->errors == 0) { return (0); } else { } tmp = noretry_error(error); if (tmp != 0) { return (error); } else { } if ((unsigned long )mpio->pgpath != (unsigned long )((struct pgpath *)0)) { fail_path(mpio->pgpath); } else { } tmp___0 = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp___0); if (m->nr_valid_paths == 0U) { if ((unsigned int )*((unsigned char *)m + 268UL) == 0U) { tmp___1 = __must_push_back(m); if (tmp___1 == 0) { r = -5; } else { } } else if (error == -52) { r = error; } else { } } else { } spin_unlock_irqrestore(& m->lock, flags); return (r); } } static int multipath_end_io(struct dm_target *ti , struct request *clone , int error , union map_info *map_context ) { struct multipath *m ; struct dm_mpath_io *mpio ; struct pgpath *pgpath ; struct path_selector *ps ; int r ; long tmp ; { m = (struct multipath *)ti->private; mpio = (struct dm_mpath_io *)map_context->ptr; tmp = ldv__builtin_expect((unsigned long )mpio == (unsigned long )((struct dm_mpath_io *)0), 0L); if (tmp != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/944/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-mpath.c"), "i" (1314), "i" (12UL)); ldv_35294: ; goto ldv_35294; } else { } r = do_end_io(m, clone, error, mpio); pgpath = mpio->pgpath; if ((unsigned long )pgpath != (unsigned long )((struct pgpath *)0)) { ps = & (pgpath->pg)->ps; if ((unsigned long )(ps->type)->end_io != (unsigned long )((int (*)(struct path_selector * , struct dm_path * , size_t ))0)) { (*((ps->type)->end_io))(ps, & pgpath->path, mpio->nr_bytes); } else { } } else { } clear_mapinfo(m, map_context); return (r); } } static void multipath_presuspend(struct dm_target *ti ) { struct multipath *m ; { m = (struct multipath *)ti->private; queue_if_no_path(m, 0U, 1U); return; } } static void multipath_postsuspend(struct dm_target *ti ) { struct multipath *m ; { m = (struct multipath *)ti->private; mutex_lock_nested(& m->work_mutex, 0U); flush_multipath_work(m); mutex_unlock(& m->work_mutex); return; } } static void multipath_resume(struct dm_target *ti ) { struct multipath *m ; unsigned long flags ; raw_spinlock_t *tmp ; { m = (struct multipath *)ti->private; tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); m->queue_if_no_path = m->saved_queue_if_no_path; spin_unlock_irqrestore(& m->lock, flags); return; } } static void multipath_status(struct dm_target *ti , status_type_t type , unsigned int status_flags , char *result , unsigned int maxlen ) { int sz ; unsigned long flags ; struct multipath *m ; struct priority_group *pg ; struct pgpath *p ; unsigned int pg_num ; char state ; raw_spinlock_t *tmp ; int tmp___0 ; int tmp___1 ; int tmp___2 ; int tmp___3 ; int tmp___4 ; int tmp___5 ; int tmp___6 ; int tmp___7 ; int tmp___8 ; int tmp___9 ; int tmp___10 ; int tmp___11 ; int tmp___12 ; int tmp___13 ; int tmp___14 ; int tmp___15 ; int tmp___16 ; int tmp___17 ; int tmp___18 ; int tmp___19 ; struct list_head const *__mptr ; int tmp___20 ; int tmp___21 ; int tmp___22 ; int tmp___23 ; int tmp___24 ; int tmp___25 ; int tmp___26 ; struct list_head const *__mptr___0 ; int tmp___27 ; int tmp___28 ; int tmp___29 ; struct list_head const *__mptr___1 ; struct list_head const *__mptr___2 ; struct list_head const *__mptr___3 ; int tmp___30 ; int tmp___31 ; int tmp___32 ; int tmp___33 ; int tmp___34 ; int tmp___35 ; int tmp___36 ; struct list_head const *__mptr___4 ; int tmp___37 ; int tmp___38 ; int tmp___39 ; struct list_head const *__mptr___5 ; struct list_head const *__mptr___6 ; { sz = 0; m = (struct multipath *)ti->private; tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); if ((unsigned int )type == 0U) { if ((unsigned int )sz < maxlen) { tmp___0 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "2 %u %u ", (int )m->queue_io, m->pg_init_count); tmp___1 = tmp___0; } else { tmp___1 = 0; } sz = tmp___1 + sz; } else { if ((unsigned int )sz < maxlen) { tmp___2 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%u ", (((int )m->queue_if_no_path + (m->pg_init_retries != 0U ? 2 : 0)) + (m->pg_init_delay_msecs != 4294967295U ? 2 : 0)) + (int )m->retain_attached_hw_handler); tmp___3 = tmp___2; } else { tmp___3 = 0; } sz = tmp___3 + sz; if ((unsigned int )*((unsigned char *)m + 268UL) != 0U) { if ((unsigned int )sz < maxlen) { tmp___4 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "queue_if_no_path "); tmp___5 = tmp___4; } else { tmp___5 = 0; } sz = tmp___5 + sz; } else { } if (m->pg_init_retries != 0U) { if ((unsigned int )sz < maxlen) { tmp___6 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "pg_init_retries %u ", m->pg_init_retries); tmp___7 = tmp___6; } else { tmp___7 = 0; } sz = tmp___7 + sz; } else { } if (m->pg_init_delay_msecs != 4294967295U) { if ((unsigned int )sz < maxlen) { tmp___8 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "pg_init_delay_msecs %u ", m->pg_init_delay_msecs); tmp___9 = tmp___8; } else { tmp___9 = 0; } sz = tmp___9 + sz; } else { } if ((unsigned int )*((unsigned char *)m + 268UL) != 0U) { if ((unsigned int )sz < maxlen) { tmp___10 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "retain_attached_hw_handler "); tmp___11 = tmp___10; } else { tmp___11 = 0; } sz = tmp___11 + sz; } else { } } if ((unsigned long )m->hw_handler_name == (unsigned long )((char const *)0) || (unsigned int )type == 0U) { if ((unsigned int )sz < maxlen) { tmp___12 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "0 "); tmp___13 = tmp___12; } else { tmp___13 = 0; } sz = tmp___13 + sz; } else { if ((unsigned int )sz < maxlen) { tmp___14 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "1 %s ", m->hw_handler_name); tmp___15 = tmp___14; } else { tmp___15 = 0; } sz = tmp___15 + sz; } if ((unsigned int )sz < maxlen) { tmp___16 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%u ", m->nr_priority_groups); tmp___17 = tmp___16; } else { tmp___17 = 0; } sz = tmp___17 + sz; if ((unsigned long )m->next_pg != (unsigned long )((struct priority_group *)0)) { pg_num = (m->next_pg)->pg_num; } else if ((unsigned long )m->current_pg != (unsigned long )((struct priority_group *)0)) { pg_num = (m->current_pg)->pg_num; } else { pg_num = m->nr_priority_groups != 0U; } if ((unsigned int )sz < maxlen) { tmp___18 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%u ", pg_num); tmp___19 = tmp___18; } else { tmp___19 = 0; } sz = tmp___19 + sz; switch ((unsigned int )type) { case 0U: __mptr = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr; goto ldv_35341; ldv_35340: ; if (pg->bypassed != 0U) { state = 68; } else if ((unsigned long )m->current_pg == (unsigned long )pg) { state = 65; } else { state = 69; } if ((unsigned int )sz < maxlen) { tmp___20 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%c ", (int )state); tmp___21 = tmp___20; } else { tmp___21 = 0; } sz = tmp___21 + sz; if ((unsigned long )(pg->ps.type)->status != (unsigned long )((int (*)(struct path_selector * , struct dm_path * , status_type_t , char * , unsigned int ))0)) { tmp___22 = (*((pg->ps.type)->status))(& pg->ps, (struct dm_path *)0, type, result + (unsigned long )sz, maxlen - (unsigned int )sz); sz = tmp___22 + sz; } else { if ((unsigned int )sz < maxlen) { tmp___23 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "0 "); tmp___24 = tmp___23; } else { tmp___24 = 0; } sz = tmp___24 + sz; } if ((unsigned int )sz < maxlen) { tmp___25 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%u %u ", pg->nr_pgpaths, (pg->ps.type)->info_args); tmp___26 = tmp___25; } else { tmp___26 = 0; } sz = tmp___26 + sz; __mptr___0 = (struct list_head const *)pg->pgpaths.next; p = (struct pgpath *)__mptr___0; goto ldv_35338; ldv_35337: ; if ((unsigned int )sz < maxlen) { tmp___27 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%s %s %u ", (char *)(& (p->path.dev)->name), p->is_active != 0U ? (char *)"A" : (char *)"F", p->fail_count); tmp___28 = tmp___27; } else { tmp___28 = 0; } sz = tmp___28 + sz; if ((unsigned long )(pg->ps.type)->status != (unsigned long )((int (*)(struct path_selector * , struct dm_path * , status_type_t , char * , unsigned int ))0)) { tmp___29 = (*((pg->ps.type)->status))(& pg->ps, & p->path, type, result + (unsigned long )sz, maxlen - (unsigned int )sz); sz = tmp___29 + sz; } else { } __mptr___1 = (struct list_head const *)p->list.next; p = (struct pgpath *)__mptr___1; ldv_35338: ; if ((unsigned long )(& p->list) != (unsigned long )(& pg->pgpaths)) { goto ldv_35337; } else { } __mptr___2 = (struct list_head const *)pg->list.next; pg = (struct priority_group *)__mptr___2; ldv_35341: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_35340; } else { } goto ldv_35343; case 1U: __mptr___3 = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr___3; goto ldv_35357; ldv_35356: ; if ((unsigned int )sz < maxlen) { tmp___30 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%s ", (pg->ps.type)->name); tmp___31 = tmp___30; } else { tmp___31 = 0; } sz = tmp___31 + sz; if ((unsigned long )(pg->ps.type)->status != (unsigned long )((int (*)(struct path_selector * , struct dm_path * , status_type_t , char * , unsigned int ))0)) { tmp___32 = (*((pg->ps.type)->status))(& pg->ps, (struct dm_path *)0, type, result + (unsigned long )sz, maxlen - (unsigned int )sz); sz = tmp___32 + sz; } else { if ((unsigned int )sz < maxlen) { tmp___33 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "0 "); tmp___34 = tmp___33; } else { tmp___34 = 0; } sz = tmp___34 + sz; } if ((unsigned int )sz < maxlen) { tmp___35 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%u %u ", pg->nr_pgpaths, (pg->ps.type)->table_args); tmp___36 = tmp___35; } else { tmp___36 = 0; } sz = tmp___36 + sz; __mptr___4 = (struct list_head const *)pg->pgpaths.next; p = (struct pgpath *)__mptr___4; goto ldv_35354; ldv_35353: ; if ((unsigned int )sz < maxlen) { tmp___37 = scnprintf(result + (unsigned long )sz, (size_t )(maxlen - (unsigned int )sz), "%s ", (char *)(& (p->path.dev)->name)); tmp___38 = tmp___37; } else { tmp___38 = 0; } sz = tmp___38 + sz; if ((unsigned long )(pg->ps.type)->status != (unsigned long )((int (*)(struct path_selector * , struct dm_path * , status_type_t , char * , unsigned int ))0)) { tmp___39 = (*((pg->ps.type)->status))(& pg->ps, & p->path, type, result + (unsigned long )sz, maxlen - (unsigned int )sz); sz = tmp___39 + sz; } else { } __mptr___5 = (struct list_head const *)p->list.next; p = (struct pgpath *)__mptr___5; ldv_35354: ; if ((unsigned long )(& p->list) != (unsigned long )(& pg->pgpaths)) { goto ldv_35353; } else { } __mptr___6 = (struct list_head const *)pg->list.next; pg = (struct priority_group *)__mptr___6; ldv_35357: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_35356; } else { } goto ldv_35343; } ldv_35343: spin_unlock_irqrestore(& m->lock, flags); return; } } static int multipath_message(struct dm_target *ti , unsigned int argc , char **argv ) { int r ; struct dm_dev *dev ; struct multipath *m ; int (*action)(struct pgpath * ) ; int tmp ; int tmp___0 ; int tmp___1 ; int tmp___2 ; int tmp___3 ; int tmp___4 ; int tmp___5 ; int tmp___6 ; fmode_t tmp___7 ; { r = -22; m = (struct multipath *)ti->private; mutex_lock_nested(& m->work_mutex, 0U); tmp = dm_suspended(ti); if (tmp != 0) { r = -16; goto out; } else { } if (argc == 1U) { tmp___1 = strcasecmp((char const *)*argv, "queue_if_no_path"); if (tmp___1 == 0) { r = queue_if_no_path(m, 1U, 0U); goto out; } else { tmp___0 = strcasecmp((char const *)*argv, "fail_if_no_path"); if (tmp___0 == 0) { r = queue_if_no_path(m, 0U, 0U); goto out; } else { } } } else { } if (argc != 2U) { printk("\fdevice-mapper: multipath: Invalid multipath message arguments. Expected 2 arguments, got %d.\n", argc); goto out; } else { } tmp___6 = strcasecmp((char const *)*argv, "disable_group"); if (tmp___6 == 0) { r = bypass_pg_num(m, (char const *)*(argv + 1UL), 1); goto out; } else { tmp___5 = strcasecmp((char const *)*argv, "enable_group"); if (tmp___5 == 0) { r = bypass_pg_num(m, (char const *)*(argv + 1UL), 0); goto out; } else { tmp___4 = strcasecmp((char const *)*argv, "switch_group"); if (tmp___4 == 0) { r = switch_pg_num(m, (char const *)*(argv + 1UL)); goto out; } else { tmp___3 = strcasecmp((char const *)*argv, "reinstate_path"); if (tmp___3 == 0) { action = & reinstate_path; } else { tmp___2 = strcasecmp((char const *)*argv, "fail_path"); if (tmp___2 == 0) { action = & fail_path; } else { printk("\fdevice-mapper: multipath: Unrecognised multipath message received: %s\n", *argv); goto out; } } } } } tmp___7 = dm_table_get_mode(ti->table); r = dm_get_device(ti, (char const *)*(argv + 1UL), tmp___7, & dev); if (r != 0) { printk("\fdevice-mapper: multipath: message: error getting device %s\n", *(argv + 1UL)); goto out; } else { } r = action_dev(m, dev, action); dm_put_device(ti, dev); out: mutex_unlock(& m->work_mutex); return (r); } } static int multipath_ioctl(struct dm_target *ti , unsigned int cmd , unsigned long arg ) { struct multipath *m ; struct pgpath *pgpath ; struct block_device *bdev ; fmode_t mode ; unsigned long flags ; int r ; raw_spinlock_t *tmp ; int err ; int tmp___0 ; loff_t tmp___1 ; raw_spinlock_t *tmp___2 ; struct task_struct *tmp___3 ; int tmp___4 ; int tmp___5 ; int tmp___6 ; { m = (struct multipath *)ti->private; bdev = (struct block_device *)0; mode = 0U; r = 0; tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); if ((unsigned long )m->current_pgpath == (unsigned long )((struct pgpath *)0)) { __choose_pgpath(m, 0UL); } else { } pgpath = m->current_pgpath; if ((unsigned long )pgpath != (unsigned long )((struct pgpath *)0)) { bdev = (pgpath->path.dev)->bdev; mode = (pgpath->path.dev)->mode; } else { } if (((unsigned long )pgpath != (unsigned long )((struct pgpath *)0) && (unsigned int )*((unsigned char *)m + 268UL) != 0U) || ((unsigned long )pgpath == (unsigned long )((struct pgpath *)0) && (unsigned int )*((unsigned char *)m + 268UL) != 0U)) { r = -107; } else if ((unsigned long )bdev == (unsigned long )((struct block_device *)0)) { r = -5; } else { } spin_unlock_irqrestore(& m->lock, flags); if ((unsigned long )bdev == (unsigned long )((struct block_device *)0)) { goto _L; } else { tmp___1 = i_size_read((struct inode const *)bdev->bd_inode); if ((unsigned long long )ti->len != (unsigned long long )(tmp___1 >> 9)) { _L: /* CIL Label */ tmp___0 = scsi_verify_blk_ioctl((struct block_device *)0, cmd); err = tmp___0; if (err != 0) { r = err; } else { } } else { } } if (r == -107) { tmp___3 = get_current(); tmp___4 = fatal_signal_pending(tmp___3); if (tmp___4 == 0) { tmp___2 = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp___2); if ((unsigned long )m->current_pg == (unsigned long )((struct priority_group *)0)) { __choose_pgpath(m, 0UL); } else { } if (m->pg_init_required != 0U) { __pg_init_all_paths(m); } else { } spin_unlock_irqrestore(& m->lock, flags); dm_table_run_md_queue_async((m->ti)->table); } else { } } else { } tmp___6 = r != 0; if (tmp___6) { } else { tmp___5 = __blkdev_driver_ioctl(bdev, mode, cmd, arg); tmp___6 = tmp___5; } return (tmp___6); } } static int multipath_iterate_devices(struct dm_target *ti , int (*fn)(struct dm_target * , struct dm_dev * , sector_t , sector_t , void * ) , void *data ) { struct multipath *m ; struct priority_group *pg ; struct pgpath *p ; int ret ; struct list_head const *__mptr ; struct list_head const *__mptr___0 ; struct list_head const *__mptr___1 ; struct list_head const *__mptr___2 ; { m = (struct multipath *)ti->private; ret = 0; __mptr = (struct list_head const *)m->priority_groups.next; pg = (struct priority_group *)__mptr; goto ldv_35409; ldv_35408: __mptr___0 = (struct list_head const *)pg->pgpaths.next; p = (struct pgpath *)__mptr___0; goto ldv_35406; ldv_35405: ret = (*fn)(ti, p->path.dev, ti->begin, ti->len, data); if (ret != 0) { goto out; } else { } __mptr___1 = (struct list_head const *)p->list.next; p = (struct pgpath *)__mptr___1; ldv_35406: ; if ((unsigned long )(& p->list) != (unsigned long )(& pg->pgpaths)) { goto ldv_35405; } else { } __mptr___2 = (struct list_head const *)pg->list.next; pg = (struct priority_group *)__mptr___2; ldv_35409: ; if ((unsigned long )(& pg->list) != (unsigned long )(& m->priority_groups)) { goto ldv_35408; } else { } out: ; return (ret); } } static int __pgpath_busy(struct pgpath *pgpath ) { struct request_queue *q ; struct request_queue *tmp ; int tmp___0 ; { tmp = bdev_get_queue((pgpath->path.dev)->bdev); q = tmp; tmp___0 = blk_lld_busy(q); return (tmp___0); } } static int multipath_busy(struct dm_target *ti ) { int busy ; int has_active ; struct multipath *m ; struct priority_group *pg ; struct pgpath *pgpath ; unsigned long flags ; raw_spinlock_t *tmp ; long tmp___0 ; long tmp___1 ; struct list_head const *__mptr ; int tmp___2 ; struct list_head const *__mptr___0 ; { busy = 0; has_active = 0; m = (struct multipath *)ti->private; tmp = spinlock_check(& m->lock); flags = _raw_spin_lock_irqsave(tmp); if (m->pg_init_in_progress != 0U || (m->nr_valid_paths == 0U && (unsigned int )*((unsigned char *)m + 268UL) != 0U)) { busy = 1; goto out; } else { } tmp___1 = ldv__builtin_expect((long )((unsigned long )m->current_pgpath == (unsigned long )((struct pgpath *)0) && (unsigned long )m->next_pg != (unsigned long )((struct priority_group *)0)), 0L); if (tmp___1 != 0L) { pg = m->next_pg; } else { tmp___0 = ldv__builtin_expect((unsigned long )m->current_pg != (unsigned long )((struct priority_group *)0), 1L); if (tmp___0 != 0L) { pg = m->current_pg; } else { goto out; } } busy = 1; __mptr = (struct list_head const *)pg->pgpaths.next; pgpath = (struct pgpath *)__mptr; goto ldv_35434; ldv_35433: ; if (pgpath->is_active != 0U) { has_active = 1; tmp___2 = __pgpath_busy(pgpath); if (tmp___2 == 0) { busy = 0; goto ldv_35432; } else { } } else { } __mptr___0 = (struct list_head const *)pgpath->list.next; pgpath = (struct pgpath *)__mptr___0; ldv_35434: ; if ((unsigned long )(& pgpath->list) != (unsigned long )(& pg->pgpaths)) { goto ldv_35433; } else { } ldv_35432: ; if (has_active == 0) { busy = 0; } else { } out: spin_unlock_irqrestore(& m->lock, flags); return (busy); } } static struct target_type multipath_target = {0ULL, "multipath", & __this_module, {1U, 9U, 0U}, & multipath_ctr, & multipath_dtr, 0, & multipath_map, & multipath_clone_and_map, & multipath_release_clone, 0, & multipath_end_io, & multipath_presuspend, 0, & multipath_postsuspend, 0, & multipath_resume, & multipath_status, & multipath_message, & multipath_ioctl, 0, & multipath_busy, & multipath_iterate_devices, 0, {0, 0}}; static int dm_multipath_init(void) { int r ; struct lock_class_key __key ; char const *__lock_name ; struct workqueue_struct *tmp ; struct lock_class_key __key___0 ; char const *__lock_name___0 ; struct workqueue_struct *tmp___0 ; { _mpio_cache = kmem_cache_create("dm_mpath_io", 16UL, 8UL, 0UL, (void (*)(void * ))0); if ((unsigned long )_mpio_cache == (unsigned long )((struct kmem_cache *)0)) { return (-12); } else { } r = dm_register_target(& multipath_target); if (r < 0) { printk("\vdevice-mapper: multipath: register failed %d\n", r); r = -22; goto bad_register_target; } else { } __lock_name = "\"kmpathd\""; tmp = __alloc_workqueue_key("kmpathd", 8U, 0, & __key, __lock_name); kmultipathd = tmp; if ((unsigned long )kmultipathd == (unsigned long )((struct workqueue_struct *)0)) { printk("\vdevice-mapper: multipath: failed to create workqueue kmpathd\n"); r = -12; goto bad_alloc_kmultipathd; } else { } __lock_name___0 = "\"kmpath_handlerd\""; tmp___0 = __alloc_workqueue_key("kmpath_handlerd", 131082U, 1, & __key___0, __lock_name___0); kmpath_handlerd = tmp___0; if ((unsigned long )kmpath_handlerd == (unsigned long )((struct workqueue_struct *)0)) { printk("\vdevice-mapper: multipath: failed to create workqueue kmpath_handlerd\n"); r = -12; goto bad_alloc_kmpath_handlerd; } else { } printk("\016device-mapper: multipath: version %u.%u.%u loaded\n", multipath_target.version[0], multipath_target.version[1], multipath_target.version[2]); return (0); bad_alloc_kmpath_handlerd: ldv_destroy_workqueue_29(kmultipathd); bad_alloc_kmultipathd: dm_unregister_target(& multipath_target); bad_register_target: kmem_cache_destroy(_mpio_cache); return (r); } } static void dm_multipath_exit(void) { { ldv_destroy_workqueue_30(kmpath_handlerd); ldv_destroy_workqueue_31(kmultipathd); dm_unregister_target(& multipath_target); kmem_cache_destroy(_mpio_cache); return; } } int ldv_retval_0 ; int ldv_retval_1 ; extern void ldv_initialize(void) ; void ldv_check_final_state(void) ; int ldv_retval_2 ; extern int ldv_preresume_3(void) ; void call_and_disable_work_1(struct work_struct *work ) { { if ((ldv_work_1_0 == 2 || ldv_work_1_0 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_1_0) { activate_path(work); ldv_work_1_0 = 1; return; } else { } if ((ldv_work_1_1 == 2 || ldv_work_1_1 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_1_1) { activate_path(work); ldv_work_1_1 = 1; return; } else { } if ((ldv_work_1_2 == 2 || ldv_work_1_2 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_1_2) { activate_path(work); ldv_work_1_2 = 1; return; } else { } if ((ldv_work_1_3 == 2 || ldv_work_1_3 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_1_3) { activate_path(work); ldv_work_1_3 = 1; return; } else { } return; } } void disable_work_2(struct work_struct *work ) { { if ((ldv_work_2_0 == 3 || ldv_work_2_0 == 2) && (unsigned long )ldv_work_struct_2_0 == (unsigned long )work) { ldv_work_2_0 = 1; } else { } if ((ldv_work_2_1 == 3 || ldv_work_2_1 == 2) && (unsigned long )ldv_work_struct_2_1 == (unsigned long )work) { ldv_work_2_1 = 1; } else { } if ((ldv_work_2_2 == 3 || ldv_work_2_2 == 2) && (unsigned long )ldv_work_struct_2_2 == (unsigned long )work) { ldv_work_2_2 = 1; } else { } if ((ldv_work_2_3 == 3 || ldv_work_2_3 == 2) && (unsigned long )ldv_work_struct_2_3 == (unsigned long )work) { ldv_work_2_3 = 1; } else { } return; } } void disable_work_1(struct work_struct *work ) { { if ((ldv_work_1_0 == 3 || ldv_work_1_0 == 2) && (unsigned long )ldv_work_struct_1_0 == (unsigned long )work) { ldv_work_1_0 = 1; } else { } if ((ldv_work_1_1 == 3 || ldv_work_1_1 == 2) && (unsigned long )ldv_work_struct_1_1 == (unsigned long )work) { ldv_work_1_1 = 1; } else { } if ((ldv_work_1_2 == 3 || ldv_work_1_2 == 2) && (unsigned long )ldv_work_struct_1_2 == (unsigned long )work) { ldv_work_1_2 = 1; } else { } if ((ldv_work_1_3 == 3 || ldv_work_1_3 == 2) && (unsigned long )ldv_work_struct_1_3 == (unsigned long )work) { ldv_work_1_3 = 1; } else { } return; } } void work_init_2(void) { { ldv_work_2_0 = 0; ldv_work_2_1 = 0; ldv_work_2_2 = 0; ldv_work_2_3 = 0; return; } } void work_init_1(void) { { ldv_work_1_0 = 0; ldv_work_1_1 = 0; ldv_work_1_2 = 0; ldv_work_1_3 = 0; return; } } void call_and_disable_all_2(int state ) { { if (ldv_work_2_0 == state) { call_and_disable_work_2(ldv_work_struct_2_0); } else { } if (ldv_work_2_1 == state) { call_and_disable_work_2(ldv_work_struct_2_1); } else { } if (ldv_work_2_2 == state) { call_and_disable_work_2(ldv_work_struct_2_2); } else { } if (ldv_work_2_3 == state) { call_and_disable_work_2(ldv_work_struct_2_3); } else { } return; } } void call_and_disable_all_1(int state ) { { if (ldv_work_1_0 == state) { call_and_disable_work_1(ldv_work_struct_1_0); } else { } if (ldv_work_1_1 == state) { call_and_disable_work_1(ldv_work_struct_1_1); } else { } if (ldv_work_1_2 == state) { call_and_disable_work_1(ldv_work_struct_1_2); } else { } if (ldv_work_1_3 == state) { call_and_disable_work_1(ldv_work_struct_1_3); } else { } return; } } void invoke_work_1(void) { int tmp ; { tmp = __VERIFIER_nondet_int(); switch (tmp) { case 0: ; if (ldv_work_1_0 == 2 || ldv_work_1_0 == 3) { ldv_work_1_0 = 4; activate_path(ldv_work_struct_1_0); ldv_work_1_0 = 1; } else { } goto ldv_35503; case 1: ; if (ldv_work_1_1 == 2 || ldv_work_1_1 == 3) { ldv_work_1_1 = 4; activate_path(ldv_work_struct_1_0); ldv_work_1_1 = 1; } else { } goto ldv_35503; case 2: ; if (ldv_work_1_2 == 2 || ldv_work_1_2 == 3) { ldv_work_1_2 = 4; activate_path(ldv_work_struct_1_0); ldv_work_1_2 = 1; } else { } goto ldv_35503; case 3: ; if (ldv_work_1_3 == 2 || ldv_work_1_3 == 3) { ldv_work_1_3 = 4; activate_path(ldv_work_struct_1_0); ldv_work_1_3 = 1; } else { } goto ldv_35503; default: ldv_stop(); } ldv_35503: ; return; } } void activate_work_2(struct work_struct *work , int state ) { { if (ldv_work_2_0 == 0) { ldv_work_struct_2_0 = work; ldv_work_2_0 = state; return; } else { } if (ldv_work_2_1 == 0) { ldv_work_struct_2_1 = work; ldv_work_2_1 = state; return; } else { } if (ldv_work_2_2 == 0) { ldv_work_struct_2_2 = work; ldv_work_2_2 = state; return; } else { } if (ldv_work_2_3 == 0) { ldv_work_struct_2_3 = work; ldv_work_2_3 = state; return; } else { } return; } } void ldv_target_type_3(void) { void *tmp ; { tmp = ldv_init_zalloc(88UL); multipath_target_group1 = (struct dm_target *)tmp; return; } } void activate_work_1(struct work_struct *work , int state ) { { if (ldv_work_1_0 == 0) { ldv_work_struct_1_0 = work; ldv_work_1_0 = state; return; } else { } if (ldv_work_1_1 == 0) { ldv_work_struct_1_1 = work; ldv_work_1_1 = state; return; } else { } if (ldv_work_1_2 == 0) { ldv_work_struct_1_2 = work; ldv_work_1_2 = state; return; } else { } if (ldv_work_1_3 == 0) { ldv_work_struct_1_3 = work; ldv_work_1_3 = state; return; } else { } return; } } void call_and_disable_work_2(struct work_struct *work ) { { if ((ldv_work_2_0 == 2 || ldv_work_2_0 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_2_0) { trigger_event(work); ldv_work_2_0 = 1; return; } else { } if ((ldv_work_2_1 == 2 || ldv_work_2_1 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_2_1) { trigger_event(work); ldv_work_2_1 = 1; return; } else { } if ((ldv_work_2_2 == 2 || ldv_work_2_2 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_2_2) { trigger_event(work); ldv_work_2_2 = 1; return; } else { } if ((ldv_work_2_3 == 2 || ldv_work_2_3 == 3) && (unsigned long )work == (unsigned long )ldv_work_struct_2_3) { trigger_event(work); ldv_work_2_3 = 1; return; } else { } return; } } void invoke_work_2(void) { int tmp ; { tmp = __VERIFIER_nondet_int(); switch (tmp) { case 0: ; if (ldv_work_2_0 == 2 || ldv_work_2_0 == 3) { ldv_work_2_0 = 4; trigger_event(ldv_work_struct_2_0); ldv_work_2_0 = 1; } else { } goto ldv_35532; case 1: ; if (ldv_work_2_1 == 2 || ldv_work_2_1 == 3) { ldv_work_2_1 = 4; trigger_event(ldv_work_struct_2_0); ldv_work_2_1 = 1; } else { } goto ldv_35532; case 2: ; if (ldv_work_2_2 == 2 || ldv_work_2_2 == 3) { ldv_work_2_2 = 4; trigger_event(ldv_work_struct_2_0); ldv_work_2_2 = 1; } else { } goto ldv_35532; case 3: ; if (ldv_work_2_3 == 2 || ldv_work_2_3 == 3) { ldv_work_2_3 = 4; trigger_event(ldv_work_struct_2_0); ldv_work_2_3 = 1; } else { } goto ldv_35532; default: ldv_stop(); } ldv_35532: ; return; } } int main(void) { struct request *ldvarg18 ; void *tmp ; struct request *ldvarg11 ; void *tmp___0 ; unsigned int ldvarg20 ; unsigned long ldvarg7 ; char *ldvarg3 ; void *tmp___1 ; union map_info *ldvarg12 ; void *tmp___2 ; unsigned int ldvarg8 ; int ldvarg1 ; struct request *ldvarg13 ; void *tmp___3 ; union map_info *ldvarg10 ; void *tmp___4 ; struct request **ldvarg9 ; void *tmp___5 ; union map_info *ldvarg0 ; void *tmp___6 ; status_type_t ldvarg5 ; void *ldvarg16 ; void *tmp___7 ; unsigned int ldvarg6 ; unsigned int ldvarg15 ; int (*ldvarg17)(struct dm_target * , struct dm_dev * , sector_t , sector_t , void * ) ; unsigned int ldvarg4 ; char **ldvarg14 ; void *tmp___8 ; char **ldvarg19 ; void *tmp___9 ; struct request *ldvarg2 ; void *tmp___10 ; int tmp___11 ; int tmp___12 ; int tmp___13 ; { tmp = ldv_init_zalloc(368UL); ldvarg18 = (struct request *)tmp; tmp___0 = ldv_init_zalloc(368UL); ldvarg11 = (struct request *)tmp___0; tmp___1 = ldv_init_zalloc(1UL); ldvarg3 = (char *)tmp___1; tmp___2 = ldv_init_zalloc(8UL); ldvarg12 = (union map_info *)tmp___2; tmp___3 = ldv_init_zalloc(368UL); ldvarg13 = (struct request *)tmp___3; tmp___4 = ldv_init_zalloc(8UL); ldvarg10 = (union map_info *)tmp___4; tmp___5 = ldv_init_zalloc(8UL); ldvarg9 = (struct request **)tmp___5; tmp___6 = ldv_init_zalloc(8UL); ldvarg0 = (union map_info *)tmp___6; tmp___7 = ldv_init_zalloc(1UL); ldvarg16 = tmp___7; tmp___8 = ldv_init_zalloc(8UL); ldvarg14 = (char **)tmp___8; tmp___9 = ldv_init_zalloc(8UL); ldvarg19 = (char **)tmp___9; tmp___10 = ldv_init_zalloc(368UL); ldvarg2 = (struct request *)tmp___10; ldv_initialize(); ldv_memset((void *)(& ldvarg20), 0, 4UL); ldv_memset((void *)(& ldvarg7), 0, 8UL); ldv_memset((void *)(& ldvarg8), 0, 4UL); ldv_memset((void *)(& ldvarg1), 0, 4UL); ldv_memset((void *)(& ldvarg5), 0, 4UL); ldv_memset((void *)(& ldvarg6), 0, 4UL); ldv_memset((void *)(& ldvarg15), 0, 4UL); ldv_memset((void *)(& ldvarg17), 0, 8UL); ldv_memset((void *)(& ldvarg4), 0, 4UL); work_init_1(); ldv_state_variable_1 = 1; ref_cnt = 0; ldv_state_variable_0 = 1; ldv_state_variable_3 = 0; work_init_2(); ldv_state_variable_2 = 1; ldv_35603: tmp___11 = __VERIFIER_nondet_int(); switch (tmp___11) { case 0: ; if (ldv_state_variable_1 != 0) { invoke_work_1(); } else { } goto ldv_35576; case 1: ; if (ldv_state_variable_0 != 0) { tmp___12 = __VERIFIER_nondet_int(); switch (tmp___12) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { dm_multipath_exit(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_35580; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_0 = dm_multipath_init(); if (ldv_retval_0 == 0) { ldv_state_variable_0 = 3; ldv_state_variable_3 = 1; ldv_target_type_3(); } else { } if (ldv_retval_0 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_35580; default: ldv_stop(); } ldv_35580: ; } else { } goto ldv_35576; case 2: ; if (ldv_state_variable_3 != 0) { tmp___13 = __VERIFIER_nondet_int(); switch (tmp___13) { case 0: ; if (ldv_state_variable_3 == 1) { ldv_retval_2 = multipath_ctr(multipath_target_group1, ldvarg20, ldvarg19); if (ldv_retval_2 == 0) { ldv_state_variable_3 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_35585; case 1: ; if (ldv_state_variable_3 == 4) { multipath_busy(multipath_target_group1); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_busy(multipath_target_group1); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_busy(multipath_target_group1); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_busy(multipath_target_group1); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_busy(multipath_target_group1); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 2: ; if (ldv_state_variable_3 == 4) { multipath_dtr(multipath_target_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } if (ldv_state_variable_3 == 3) { multipath_dtr(multipath_target_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } if (ldv_state_variable_3 == 2) { multipath_dtr(multipath_target_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } if (ldv_state_variable_3 == 5) { multipath_dtr(multipath_target_group1); ldv_state_variable_3 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_35585; case 3: ; if (ldv_state_variable_3 == 4) { multipath_release_clone(ldvarg18); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_release_clone(ldvarg18); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_release_clone(ldvarg18); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_release_clone(ldvarg18); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_release_clone(ldvarg18); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 4: ; if (ldv_state_variable_3 == 4) { multipath_iterate_devices(multipath_target_group1, ldvarg17, ldvarg16); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_iterate_devices(multipath_target_group1, ldvarg17, ldvarg16); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_iterate_devices(multipath_target_group1, ldvarg17, ldvarg16); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_iterate_devices(multipath_target_group1, ldvarg17, ldvarg16); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_iterate_devices(multipath_target_group1, ldvarg17, ldvarg16); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 5: ; if (ldv_state_variable_3 == 4) { multipath_message(multipath_target_group1, ldvarg15, ldvarg14); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_message(multipath_target_group1, ldvarg15, ldvarg14); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_message(multipath_target_group1, ldvarg15, ldvarg14); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_message(multipath_target_group1, ldvarg15, ldvarg14); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_message(multipath_target_group1, ldvarg15, ldvarg14); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 6: ; if (ldv_state_variable_3 == 4) { multipath_map(multipath_target_group1, ldvarg13, ldvarg12); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_map(multipath_target_group1, ldvarg13, ldvarg12); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_map(multipath_target_group1, ldvarg13, ldvarg12); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_map(multipath_target_group1, ldvarg13, ldvarg12); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_map(multipath_target_group1, ldvarg13, ldvarg12); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 7: ; if (ldv_state_variable_3 == 4) { multipath_clone_and_map(multipath_target_group1, ldvarg11, ldvarg10, ldvarg9); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_clone_and_map(multipath_target_group1, ldvarg11, ldvarg10, ldvarg9); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_clone_and_map(multipath_target_group1, ldvarg11, ldvarg10, ldvarg9); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_clone_and_map(multipath_target_group1, ldvarg11, ldvarg10, ldvarg9); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_clone_and_map(multipath_target_group1, ldvarg11, ldvarg10, ldvarg9); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 8: ; if (ldv_state_variable_3 == 3) { multipath_postsuspend(multipath_target_group1); ldv_state_variable_3 = 4; } else { } goto ldv_35585; case 9: ; if (ldv_state_variable_3 == 4) { multipath_ioctl(multipath_target_group1, ldvarg8, ldvarg7); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_ioctl(multipath_target_group1, ldvarg8, ldvarg7); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_ioctl(multipath_target_group1, ldvarg8, ldvarg7); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_ioctl(multipath_target_group1, ldvarg8, ldvarg7); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_ioctl(multipath_target_group1, ldvarg8, ldvarg7); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 10: ; if (ldv_state_variable_3 == 4) { multipath_status(multipath_target_group1, ldvarg5, ldvarg4, ldvarg3, ldvarg6); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_status(multipath_target_group1, ldvarg5, ldvarg4, ldvarg3, ldvarg6); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_status(multipath_target_group1, ldvarg5, ldvarg4, ldvarg3, ldvarg6); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_status(multipath_target_group1, ldvarg5, ldvarg4, ldvarg3, ldvarg6); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_status(multipath_target_group1, ldvarg5, ldvarg4, ldvarg3, ldvarg6); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 11: ; if (ldv_state_variable_3 == 2) { multipath_presuspend(multipath_target_group1); ldv_state_variable_3 = 3; } else { } goto ldv_35585; case 12: ; if (ldv_state_variable_3 == 5) { multipath_resume(multipath_target_group1); ldv_state_variable_3 = 2; } else { } goto ldv_35585; case 13: ; if (ldv_state_variable_3 == 4) { multipath_end_io(multipath_target_group1, ldvarg2, ldvarg1, ldvarg0); ldv_state_variable_3 = 4; } else { } if (ldv_state_variable_3 == 1) { multipath_end_io(multipath_target_group1, ldvarg2, ldvarg1, ldvarg0); ldv_state_variable_3 = 1; } else { } if (ldv_state_variable_3 == 3) { multipath_end_io(multipath_target_group1, ldvarg2, ldvarg1, ldvarg0); ldv_state_variable_3 = 3; } else { } if (ldv_state_variable_3 == 2) { multipath_end_io(multipath_target_group1, ldvarg2, ldvarg1, ldvarg0); ldv_state_variable_3 = 2; } else { } if (ldv_state_variable_3 == 5) { multipath_end_io(multipath_target_group1, ldvarg2, ldvarg1, ldvarg0); ldv_state_variable_3 = 5; } else { } goto ldv_35585; case 14: ; if (ldv_state_variable_3 == 4) { ldv_retval_1 = ldv_preresume_3(); if (ldv_retval_1 == 0) { ldv_state_variable_3 = 5; } else { } } else { } goto ldv_35585; default: ldv_stop(); } ldv_35585: ; } else { } goto ldv_35576; case 3: ; if (ldv_state_variable_2 != 0) { invoke_work_2(); } else { } goto ldv_35576; default: ldv_stop(); } ldv_35576: ; goto ldv_35603; ldv_final: ldv_check_final_state(); return 0; } } __inline static void *ERR_PTR(long error ) { void *tmp ; { tmp = ldv_err_ptr(error); return (tmp); } } __inline static long PTR_ERR(void const *ptr ) { long tmp ; { tmp = ldv_ptr_err(ptr); return (tmp); } } __inline static bool IS_ERR(void const *ptr ) { bool tmp ; { tmp = ldv_is_err(ptr); return (tmp); } } bool ldv_queue_work_on_21(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) { ldv_func_ret_type ldv_func_res ; bool tmp ; { tmp = queue_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3); ldv_func_res = tmp; activate_work_1(ldv_func_arg3, 2); return (ldv_func_res); } } bool ldv_queue_delayed_work_on_22(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) { ldv_func_ret_type___0 ldv_func_res ; bool tmp ; { tmp = queue_delayed_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4); ldv_func_res = tmp; activate_work_1(& ldv_func_arg3->work, 2); return (ldv_func_res); } } bool ldv_queue_work_on_23(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct work_struct *ldv_func_arg3 ) { ldv_func_ret_type___1 ldv_func_res ; bool tmp ; { tmp = queue_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3); ldv_func_res = tmp; activate_work_1(ldv_func_arg3, 2); return (ldv_func_res); } } void ldv_flush_workqueue_24(struct workqueue_struct *ldv_func_arg1 ) { { flush_workqueue(ldv_func_arg1); call_and_disable_all_1(2); return; } } bool ldv_queue_delayed_work_on_25(int ldv_func_arg1 , struct workqueue_struct *ldv_func_arg2 , struct delayed_work *ldv_func_arg3 , unsigned long ldv_func_arg4 ) { ldv_func_ret_type___2 ldv_func_res ; bool tmp ; { tmp = queue_delayed_work_on(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4); ldv_func_res = tmp; activate_work_1(& ldv_func_arg3->work, 2); return (ldv_func_res); } } void ldv_flush_workqueue_26(struct workqueue_struct *ldv_func_arg1 ) { { flush_workqueue(ldv_func_arg1); call_and_disable_all_1(2); return; } } void ldv_flush_workqueue_27(struct workqueue_struct *ldv_func_arg1 ) { { flush_workqueue(ldv_func_arg1); call_and_disable_all_1(2); return; } } bool ldv_flush_work_28(struct work_struct *ldv_func_arg1 ) { ldv_func_ret_type___3 ldv_func_res ; bool tmp ; { tmp = flush_work(ldv_func_arg1); ldv_func_res = tmp; call_and_disable_work_1(ldv_func_arg1); return (ldv_func_res); } } void ldv_destroy_workqueue_29(struct workqueue_struct *ldv_func_arg1 ) { { destroy_workqueue(ldv_func_arg1); call_and_disable_all_1(2); return; } } void ldv_destroy_workqueue_30(struct workqueue_struct *ldv_func_arg1 ) { { destroy_workqueue(ldv_func_arg1); call_and_disable_all_1(2); return; } } void ldv_destroy_workqueue_31(struct workqueue_struct *ldv_func_arg1 ) { { destroy_workqueue(ldv_func_arg1); call_and_disable_all_1(2); return; } } extern void *memset(void * , int , size_t ) ; __inline static void ldv_error(void) { { ERROR: ; __VERIFIER_error(); } } bool ldv_is_err(void const *ptr ) { { return ((unsigned long )ptr > 2012UL); } } void *ldv_err_ptr(long error ) { { return ((void *)(2012L - error)); } } long ldv_ptr_err(void const *ptr ) { { return ((long )(2012UL - (unsigned long )ptr)); } } bool ldv_is_err_or_null(void const *ptr ) { bool tmp ; int tmp___0 ; { if ((unsigned long )ptr == (unsigned long )((void const *)0)) { tmp___0 = 1; } else { tmp = ldv_is_err(ptr); if ((int )tmp) { tmp___0 = 1; } else { tmp___0 = 0; } } return ((bool )tmp___0); } } int ldv_module_refcounter = 1; void ldv_module_get(struct module *module ) { { if ((unsigned long )module != (unsigned long )((struct module *)0)) { ldv_module_refcounter = ldv_module_refcounter + 1; } else { } return; } } int ldv_try_module_get(struct module *module ) { int module_get_succeeded ; { if ((unsigned long )module != (unsigned long )((struct module *)0)) { module_get_succeeded = ldv_undef_int(); if (module_get_succeeded == 1) { ldv_module_refcounter = ldv_module_refcounter + 1; return (1); } else { return (0); } } else { } return (0); } } void ldv_module_put(struct module *module ) { { if ((unsigned long )module != (unsigned long )((struct module *)0)) { if (ldv_module_refcounter <= 1) { ldv_error(); } else { } ldv_module_refcounter = ldv_module_refcounter - 1; } else { } return; } } void ldv_module_put_and_exit(void) { { ldv_module_put((struct module *)1); LDV_STOP: ; goto LDV_STOP; } } unsigned int ldv_module_refcount(void) { { return ((unsigned int )(ldv_module_refcounter + -1)); } } void ldv_check_final_state(void) { { if (ldv_module_refcounter != 1) { ldv_error(); } else { } return; } }