79 static bool lease_breaking(struct file_lock *fl)  in lease_breaking()
84 static int target_leasetype(struct file_lock *fl)  in target_leasetype()
208 	struct file_lock *fl;  in locks_dump_ctx_list()
236 	struct file_lock *fl;  in locks_check_ctx_file_list()
259 static void locks_init_lock_heads(struct file_lock *fl)  in locks_init_lock_heads()
269 struct file_lock *locks_alloc_lock(void)  in locks_alloc_lock()
271 	struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);  in locks_alloc_lock()
280 void locks_release_private(struct file_lock *fl)  in locks_release_private()
316 	struct file_lock *fl;  in locks_owner_has_blockers()
333 void locks_free_lock(struct file_lock *fl)  in locks_free_lock()
343 	struct file_lock *fl;  in locks_dispose_list()
346 		fl = list_first_entry(dispose, struct file_lock, fl_list);  in locks_dispose_list()
352 void locks_init_lock(struct file_lock *fl)  in locks_init_lock()
354 	memset(fl, 0, sizeof(struct file_lock));  in locks_init_lock()
362 void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)  in locks_copy_conflock()
381 void locks_copy_lock(struct file_lock *new, struct file_lock *fl)  in locks_copy_lock()
398 static void locks_move_blocks(struct file_lock *new, struct file_lock *fl)  in locks_move_blocks()
400 	struct file_lock *f;  in locks_move_blocks()
429 static void flock_make_lock(struct file *filp, struct file_lock *fl, int type)  in flock_make_lock()
441 static int assign_type(struct file_lock *fl, int type)  in assign_type()
455 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock64_to_posix_lock()
505 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock_to_posix_lock()
520 lease_break_callback(struct file_lock *fl)  in lease_break_callback()
527 lease_setup(struct file_lock *fl, void **priv)  in lease_setup()
552 static int lease_init(struct file *filp, int type, struct file_lock *fl)  in lease_init()
570 static struct file_lock *lease_alloc(struct file *filp, int type)  in lease_alloc()
572 	struct file_lock *fl = locks_alloc_lock();  in lease_alloc()
588 static inline int locks_overlap(struct file_lock *fl1, struct file_lock *fl2)  in locks_overlap()
597 static int posix_same_owner(struct file_lock *fl1, struct file_lock *fl2)  in posix_same_owner()
603 static void locks_insert_global_locks(struct file_lock *fl)  in locks_insert_global_locks()
616 static void locks_delete_global_locks(struct file_lock *fl)  in locks_delete_global_locks()
637 posix_owner_key(struct file_lock *fl)  in posix_owner_key()
642 static void locks_insert_global_blocked(struct file_lock *waiter)  in locks_insert_global_blocked()
649 static void locks_delete_global_blocked(struct file_lock *waiter)  in locks_delete_global_blocked()
661 static void __locks_delete_block(struct file_lock *waiter)  in __locks_delete_block()
667 static void __locks_wake_up_blocks(struct file_lock *blocker)  in __locks_wake_up_blocks()
670 		struct file_lock *waiter;  in __locks_wake_up_blocks()
673 					  struct file_lock, fl_blocked_member);  in __locks_wake_up_blocks()
695 int locks_delete_block(struct file_lock *waiter)  in locks_delete_block()
755 static void __locks_insert_block(struct file_lock *blocker,  in __locks_insert_block()  argument
756 				 struct file_lock *waiter,  in __locks_insert_block()
757 				 bool conflict(struct file_lock *,  in __locks_insert_block()  argument
758 					       struct file_lock *))  in __locks_insert_block()
760 	struct file_lock *fl;  in __locks_insert_block()
782 static void locks_insert_block(struct file_lock *blocker,  in locks_insert_block()  argument
783 			       struct file_lock *waiter,  in locks_insert_block()
784 			       bool conflict(struct file_lock *,  in locks_insert_block()  argument
785 					     struct file_lock *))  in locks_insert_block()
797 static void locks_wake_up_blocks(struct file_lock *blocker)  in locks_wake_up_blocks()
815 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before)  in locks_insert_lock_ctx()
822 locks_unlink_lock_ctx(struct file_lock *fl)  in locks_unlink_lock_ctx()
830 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose)  in locks_delete_lock_ctx()
842 static bool locks_conflict(struct file_lock *caller_fl,  in locks_conflict()
843 			   struct file_lock *sys_fl)  in locks_conflict()
855 static bool posix_locks_conflict(struct file_lock *caller_fl,  in posix_locks_conflict()
856 				 struct file_lock *sys_fl)  in posix_locks_conflict()
874 static bool posix_test_locks_conflict(struct file_lock *caller_fl,  in posix_test_locks_conflict()
875 				      struct file_lock *sys_fl)  in posix_test_locks_conflict()
889 static bool flock_locks_conflict(struct file_lock *caller_fl,  in flock_locks_conflict()
890 				 struct file_lock *sys_fl)  in flock_locks_conflict()
902 posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()
904 	struct file_lock *cfl;  in posix_test_lock()
977 static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl)  in what_owner_is_waiting_for()
979 	struct file_lock *fl;  in what_owner_is_waiting_for()
992 static int posix_locks_deadlock(struct file_lock *caller_fl,  in posix_locks_deadlock()
993 				struct file_lock *block_fl)  in posix_locks_deadlock()
1022 static int flock_lock_inode(struct inode *inode, struct file_lock *request)  in flock_lock_inode()
1024 	struct file_lock *new_fl = NULL;  in flock_lock_inode()
1025 	struct file_lock *fl;  in flock_lock_inode()
1094 static int posix_lock_inode(struct inode *inode, struct file_lock *request,  in posix_lock_inode()
1095 			    struct file_lock *conflock)  in posix_lock_inode()
1097 	struct file_lock *fl, *tmp;  in posix_lock_inode()
1098 	struct file_lock *new_fl = NULL;  in posix_lock_inode()
1099 	struct file_lock *new_fl2 = NULL;  in posix_lock_inode()
1100 	struct file_lock *left = NULL;  in posix_lock_inode()
1101 	struct file_lock *right = NULL;  in posix_lock_inode()
1346 int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()
1347 			struct file_lock *conflock)  in posix_lock_file()
1360 static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in posix_lock_inode_wait()
1377 static void lease_clear_pending(struct file_lock *fl, int arg)  in lease_clear_pending()
1389 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)  in lease_modify()
1424 	struct file_lock *fl, *tmp;  in time_out_leases()
1437 static bool leases_conflict(struct file_lock *lease, struct file_lock *breaker)  in leases_conflict()
1460 any_leases_conflict(struct inode *inode, struct file_lock *breaker)  in any_leases_conflict()
1463 	struct file_lock *fl;  in any_leases_conflict()
1491 	struct file_lock *new_fl, *fl, *tmp;  in __break_lease()
1551 	fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list);  in __break_lease()
1605 	struct file_lock *fl;  in lease_get_mtime()
1611 					      struct file_lock, fl_list);  in lease_get_mtime()
1647 	struct file_lock *fl;  in fcntl_getlease()
1719 generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **priv)  in generic_add_lease()
1721 	struct file_lock *fl, *my_fl = NULL, *lease;  in generic_add_lease()
1830 	struct file_lock *fl, *victim = NULL;  in generic_delete_lease()
1870 int generic_setlease(struct file *filp, int arg, struct file_lock **flp,  in generic_setlease()
1917 setlease_notifier(int arg, struct file_lock *lease)  in setlease_notifier()
1953 vfs_setlease(struct file *filp, int arg, struct file_lock **lease, void **priv)  in vfs_setlease()
1966 	struct file_lock *fl;  in do_fcntl_add_lease()
2013 static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in flock_lock_inode_wait()
2037 int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in locks_lock_inode_wait()
2072 	struct file_lock fl;  in SYSCALL_DEFINE2()
2132 int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()
2149 static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)  in locks_translate_pid()
2173 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)  in posix_lock_to_flock()
2195 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)  in posix_lock_to_flock64()
2211 	struct file_lock *fl;  in fcntl_getlk()
2283 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)  in vfs_lock_file()
2294 			     struct file_lock *fl)  in do_lock_file_wait()
2318 check_fmode_for_setlk(struct file_lock *fl)  in check_fmode_for_setlk()
2338 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk()  local
2343 	if (file_lock == NULL)  in fcntl_setlk()
2346 	error = flock_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk()
2350 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk()
2365 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2366 		file_lock->fl_owner = filp;  in fcntl_setlk()
2374 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2375 		file_lock->fl_owner = filp;  in fcntl_setlk()
2378 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk()
2381 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2388 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk()
2389 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk()
2396 		spin_lock(&files->file_lock);  in fcntl_setlk()
2398 		spin_unlock(&files->file_lock);  in fcntl_setlk()
2400 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk()
2401 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2407 	trace_fcntl_setlk(inode, file_lock, error);  in fcntl_setlk()
2408 	locks_free_lock(file_lock);  in fcntl_setlk()
2418 	struct file_lock *fl;  in fcntl_getlk64()
2462 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk64()  local
2466 	if (file_lock == NULL)  in fcntl_setlk64()
2469 	error = flock64_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk64()
2473 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk64()
2488 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2489 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2497 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2498 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2501 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk64()
2504 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2511 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk64()
2512 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk64()
2519 		spin_lock(&files->file_lock);  in fcntl_setlk64()
2521 		spin_unlock(&files->file_lock);  in fcntl_setlk64()
2523 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk64()
2524 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2530 	locks_free_lock(file_lock);  in fcntl_setlk64()
2544 	struct file_lock lock;  in locks_remove_posix()
2579 	struct file_lock fl;  in locks_remove_flock()
2601 	struct file_lock *fl, *tmp;  in locks_remove_lease()
2652 int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()
2693 static void lock_get_status(struct seq_file *f, struct file_lock *fl,  in lock_get_status()
2765 static struct file_lock *get_next_blocked_member(struct file_lock *node)  in get_next_blocked_member()
2767 	struct file_lock *tmp;  in get_next_blocked_member()
2786 	struct file_lock *cur, *tmp;  in locks_show()
2790 	cur = hlist_entry(v, struct file_lock, fl_link);  in locks_show()
2809 				struct file_lock, fl_blocked_member);  in locks_show()
2831 	struct file_lock *fl;  in __show_fd_locks()
2915 			sizeof(struct file_lock), 0, SLAB_PANIC, NULL);  in filelock_init()