78 static bool lease_breaking(struct file_lock *fl)  in lease_breaking()
83 static int target_leasetype(struct file_lock *fl)  in target_leasetype()
207 	struct file_lock *fl;  in locks_dump_ctx_list()
235 	struct file_lock *fl;  in locks_check_ctx_file_list()
258 static void locks_init_lock_heads(struct file_lock *fl)  in locks_init_lock_heads()
268 struct file_lock *locks_alloc_lock(void)  in locks_alloc_lock()
270 	struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);  in locks_alloc_lock()
279 void locks_release_private(struct file_lock *fl)  in locks_release_private()
315 	struct file_lock *fl;  in locks_owner_has_blockers()
332 void locks_free_lock(struct file_lock *fl)  in locks_free_lock()
342 	struct file_lock *fl;  in locks_dispose_list()
345 		fl = list_first_entry(dispose, struct file_lock, fl_list);  in locks_dispose_list()
351 void locks_init_lock(struct file_lock *fl)  in locks_init_lock()
353 	memset(fl, 0, sizeof(struct file_lock));  in locks_init_lock()
361 void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)  in locks_copy_conflock()
380 void locks_copy_lock(struct file_lock *new, struct file_lock *fl)  in locks_copy_lock()
397 static void locks_move_blocks(struct file_lock *new, struct file_lock *fl)  in locks_move_blocks()
399 	struct file_lock *f;  in locks_move_blocks()
428 static struct file_lock *
429 flock_make_lock(struct file *filp, unsigned int cmd, struct file_lock *fl)  in flock_make_lock()
454 static int assign_type(struct file_lock *fl, long type)  in assign_type()
468 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock64_to_posix_lock()
518 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock_to_posix_lock()
533 lease_break_callback(struct file_lock *fl)  in lease_break_callback()
540 lease_setup(struct file_lock *fl, void **priv)  in lease_setup()
565 static int lease_init(struct file *filp, long type, struct file_lock *fl)  in lease_init()
583 static struct file_lock *lease_alloc(struct file *filp, long type)  in lease_alloc()
585 	struct file_lock *fl = locks_alloc_lock();  in lease_alloc()
601 static inline int locks_overlap(struct file_lock *fl1, struct file_lock *fl2)  in locks_overlap()
610 static int posix_same_owner(struct file_lock *fl1, struct file_lock *fl2)  in posix_same_owner()
616 static void locks_insert_global_locks(struct file_lock *fl)  in locks_insert_global_locks()
629 static void locks_delete_global_locks(struct file_lock *fl)  in locks_delete_global_locks()
650 posix_owner_key(struct file_lock *fl)  in posix_owner_key()
655 static void locks_insert_global_blocked(struct file_lock *waiter)  in locks_insert_global_blocked()
662 static void locks_delete_global_blocked(struct file_lock *waiter)  in locks_delete_global_blocked()
674 static void __locks_delete_block(struct file_lock *waiter)  in __locks_delete_block()
680 static void __locks_wake_up_blocks(struct file_lock *blocker)  in __locks_wake_up_blocks()
683 		struct file_lock *waiter;  in __locks_wake_up_blocks()
686 					  struct file_lock, fl_blocked_member);  in __locks_wake_up_blocks()
708 int locks_delete_block(struct file_lock *waiter)  in locks_delete_block()
768 static void __locks_insert_block(struct file_lock *blocker,  in __locks_insert_block()  argument
769 				 struct file_lock *waiter,  in __locks_insert_block()
770 				 bool conflict(struct file_lock *,  in __locks_insert_block()  argument
771 					       struct file_lock *))  in __locks_insert_block()
773 	struct file_lock *fl;  in __locks_insert_block()
795 static void locks_insert_block(struct file_lock *blocker,  in locks_insert_block()  argument
796 			       struct file_lock *waiter,  in locks_insert_block()
797 			       bool conflict(struct file_lock *,  in locks_insert_block()  argument
798 					     struct file_lock *))  in locks_insert_block()
810 static void locks_wake_up_blocks(struct file_lock *blocker)  in locks_wake_up_blocks()
828 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before)  in locks_insert_lock_ctx()
835 locks_unlink_lock_ctx(struct file_lock *fl)  in locks_unlink_lock_ctx()
843 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose)  in locks_delete_lock_ctx()
855 static bool locks_conflict(struct file_lock *caller_fl,  in locks_conflict()
856 			   struct file_lock *sys_fl)  in locks_conflict()
868 static bool posix_locks_conflict(struct file_lock *caller_fl,  in posix_locks_conflict()
869 				 struct file_lock *sys_fl)  in posix_locks_conflict()
887 static bool flock_locks_conflict(struct file_lock *caller_fl,  in flock_locks_conflict()
888 				 struct file_lock *sys_fl)  in flock_locks_conflict()
900 posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()
902 	struct file_lock *cfl;  in posix_test_lock()
975 static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl)  in what_owner_is_waiting_for()
977 	struct file_lock *fl;  in what_owner_is_waiting_for()
990 static int posix_locks_deadlock(struct file_lock *caller_fl,  in posix_locks_deadlock()
991 				struct file_lock *block_fl)  in posix_locks_deadlock()
1020 static int flock_lock_inode(struct inode *inode, struct file_lock *request)  in flock_lock_inode()
1022 	struct file_lock *new_fl = NULL;  in flock_lock_inode()
1023 	struct file_lock *fl;  in flock_lock_inode()
1092 static int posix_lock_inode(struct inode *inode, struct file_lock *request,  in posix_lock_inode()
1093 			    struct file_lock *conflock)  in posix_lock_inode()
1095 	struct file_lock *fl, *tmp;  in posix_lock_inode()
1096 	struct file_lock *new_fl = NULL;  in posix_lock_inode()
1097 	struct file_lock *new_fl2 = NULL;  in posix_lock_inode()
1098 	struct file_lock *left = NULL;  in posix_lock_inode()
1099 	struct file_lock *right = NULL;  in posix_lock_inode()
1344 int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()
1345 			struct file_lock *conflock)  in posix_lock_file()
1358 static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in posix_lock_inode_wait()
1375 static void lease_clear_pending(struct file_lock *fl, int arg)  in lease_clear_pending()
1387 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)  in lease_modify()
1422 	struct file_lock *fl, *tmp;  in time_out_leases()
1435 static bool leases_conflict(struct file_lock *lease, struct file_lock *breaker)  in leases_conflict()
1458 any_leases_conflict(struct inode *inode, struct file_lock *breaker)  in any_leases_conflict()
1461 	struct file_lock *fl;  in any_leases_conflict()
1489 	struct file_lock *new_fl, *fl, *tmp;  in __break_lease()
1549 	fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list);  in __break_lease()
1603 	struct file_lock *fl;  in lease_get_mtime()
1609 					      struct file_lock, fl_list);  in lease_get_mtime()
1645 	struct file_lock *fl;  in fcntl_getlease()
1717 generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **priv)  in generic_add_lease()
1719 	struct file_lock *fl, *my_fl = NULL, *lease;  in generic_add_lease()
1835 	struct file_lock *fl, *victim = NULL;  in generic_delete_lease()
1875 int generic_setlease(struct file *filp, long arg, struct file_lock **flp,  in generic_setlease()
1922 setlease_notifier(long arg, struct file_lock *lease)  in setlease_notifier()
1947 setlease_notifier(long arg, struct file_lock *lease)  in setlease_notifier()
1982 vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv)  in vfs_setlease()
1995 	struct file_lock *fl;  in do_fcntl_add_lease()
2042 static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in flock_lock_inode_wait()
2066 int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in locks_lock_inode_wait()
2101 	struct file_lock *lock;  in SYSCALL_DEFINE2()
2167 int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()
2183 static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)  in locks_translate_pid()
2207 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)  in posix_lock_to_flock()
2229 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)  in posix_lock_to_flock64()
2245 	struct file_lock *fl;  in fcntl_getlk()
2316 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)  in vfs_lock_file()
2326 			     struct file_lock *fl)  in do_lock_file_wait()
2350 check_fmode_for_setlk(struct file_lock *fl)  in check_fmode_for_setlk()
2370 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk()  local
2375 	if (file_lock == NULL)  in fcntl_setlk()
2378 	error = flock_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk()
2382 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk()
2397 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2398 		file_lock->fl_owner = filp;  in fcntl_setlk()
2406 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2407 		file_lock->fl_owner = filp;  in fcntl_setlk()
2410 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk()
2413 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2420 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk()
2421 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk()
2428 		spin_lock(&files->file_lock);  in fcntl_setlk()
2430 		spin_unlock(&files->file_lock);  in fcntl_setlk()
2432 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk()
2433 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2439 	trace_fcntl_setlk(inode, file_lock, error);  in fcntl_setlk()
2440 	locks_free_lock(file_lock);  in fcntl_setlk()
2450 	struct file_lock *fl;  in fcntl_getlk64()
2494 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk64()  local
2498 	if (file_lock == NULL)  in fcntl_setlk64()
2501 	error = flock64_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk64()
2505 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk64()
2520 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2521 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2529 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2530 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2533 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk64()
2536 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2543 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk64()
2544 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk64()
2551 		spin_lock(&files->file_lock);  in fcntl_setlk64()
2553 		spin_unlock(&files->file_lock);  in fcntl_setlk64()
2555 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk64()
2556 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2562 	locks_free_lock(file_lock);  in fcntl_setlk64()
2576 	struct file_lock lock;  in locks_remove_posix()
2611 	struct file_lock fl;  in locks_remove_flock()
2633 	struct file_lock *fl, *tmp;  in locks_remove_lease()
2684 int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()
2701 static void lock_get_status(struct seq_file *f, struct file_lock *fl,  in lock_get_status()
2773 static struct file_lock *get_next_blocked_member(struct file_lock *node)  in get_next_blocked_member()
2775 	struct file_lock *tmp;  in get_next_blocked_member()
2794 	struct file_lock *cur, *tmp;  in locks_show()
2798 	cur = hlist_entry(v, struct file_lock, fl_link);  in locks_show()
2817 				struct file_lock, fl_blocked_member);  in locks_show()
2839 	struct file_lock *fl;  in __show_fd_locks()
2923 			sizeof(struct file_lock), 0, SLAB_PANIC, NULL);  in filelock_init()