143 static bool lease_breaking(struct file_lock *fl)  in lease_breaking()
148 static int target_leasetype(struct file_lock *fl)  in target_leasetype()
243 static void locks_init_lock_heads(struct file_lock *fl)  in locks_init_lock_heads()
252 struct file_lock *locks_alloc_lock(void)  in locks_alloc_lock()
254 	struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);  in locks_alloc_lock()
263 void locks_release_private(struct file_lock *fl)  in locks_release_private()
282 void locks_free_lock(struct file_lock *fl)  in locks_free_lock()
297 	struct file_lock *fl;  in locks_dispose_list()
300 		fl = list_first_entry(dispose, struct file_lock, fl_list);  in locks_dispose_list()
306 void locks_init_lock(struct file_lock *fl)  in locks_init_lock()
308 	memset(fl, 0, sizeof(struct file_lock));  in locks_init_lock()
317 void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)  in locks_copy_conflock()
336 void locks_copy_lock(struct file_lock *new, struct file_lock *fl)  in locks_copy_lock()
369 static struct file_lock *
372 	struct file_lock *fl;  in flock_make_lock()
392 static int assign_type(struct file_lock *fl, long type)  in assign_type()
406 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock64_to_posix_lock()
456 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock_to_posix_lock()
471 lease_break_callback(struct file_lock *fl)  in lease_break_callback()
478 lease_setup(struct file_lock *fl, void **priv)  in lease_setup()
503 static int lease_init(struct file *filp, long type, struct file_lock *fl)  in lease_init()
521 static struct file_lock *lease_alloc(struct file *filp, long type)  in lease_alloc()
523 	struct file_lock *fl = locks_alloc_lock();  in lease_alloc()
539 static inline int locks_overlap(struct file_lock *fl1, struct file_lock *fl2)  in locks_overlap()
548 static int posix_same_owner(struct file_lock *fl1, struct file_lock *fl2)  in posix_same_owner()
557 static void locks_insert_global_locks(struct file_lock *fl)  in locks_insert_global_locks()
566 static void locks_delete_global_locks(struct file_lock *fl)  in locks_delete_global_locks()
581 posix_owner_key(struct file_lock *fl)  in posix_owner_key()
588 static void locks_insert_global_blocked(struct file_lock *waiter)  in locks_insert_global_blocked()
595 static void locks_delete_global_blocked(struct file_lock *waiter)  in locks_delete_global_blocked()
607 static void __locks_delete_block(struct file_lock *waiter)  in __locks_delete_block()
614 static void locks_delete_block(struct file_lock *waiter)  in locks_delete_block()
631 static void __locks_insert_block(struct file_lock *blocker,  in __locks_insert_block()
632 					struct file_lock *waiter)  in __locks_insert_block()
642 static void locks_insert_block(struct file_lock *blocker,  in locks_insert_block()
643 					struct file_lock *waiter)  in locks_insert_block()
655 static void locks_wake_up_blocks(struct file_lock *blocker)  in locks_wake_up_blocks()
669 		struct file_lock *waiter;  in locks_wake_up_blocks()
672 				struct file_lock, fl_block);  in locks_wake_up_blocks()
683 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before)  in locks_insert_lock_ctx()
691 locks_unlink_lock_ctx(struct file_lock *fl)  in locks_unlink_lock_ctx()
703 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose)  in locks_delete_lock_ctx()
715 static int locks_conflict(struct file_lock *caller_fl, struct file_lock *sys_fl)  in locks_conflict()
727 static int posix_locks_conflict(struct file_lock *caller_fl, struct file_lock *sys_fl)  in posix_locks_conflict()
745 static int flock_locks_conflict(struct file_lock *caller_fl, struct file_lock *sys_fl)  in flock_locks_conflict()
759 posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()
761 	struct file_lock *cfl;  in posix_test_lock()
823 static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl)  in what_owner_is_waiting_for()
825 	struct file_lock *fl;  in what_owner_is_waiting_for()
835 static int posix_locks_deadlock(struct file_lock *caller_fl,  in posix_locks_deadlock()
836 				struct file_lock *block_fl)  in posix_locks_deadlock()
865 static int flock_lock_inode(struct inode *inode, struct file_lock *request)  in flock_lock_inode()
867 	struct file_lock *new_fl = NULL;  in flock_lock_inode()
868 	struct file_lock *fl;  in flock_lock_inode()
933 static int __posix_lock_file(struct inode *inode, struct file_lock *request, struct file_lock *conf…  in __posix_lock_file()
935 	struct file_lock *fl, *tmp;  in __posix_lock_file()
936 	struct file_lock *new_fl = NULL;  in __posix_lock_file()
937 	struct file_lock *new_fl2 = NULL;  in __posix_lock_file()
938 	struct file_lock *left = NULL;  in __posix_lock_file()
939 	struct file_lock *right = NULL;  in __posix_lock_file()
1158 int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()
1159 			struct file_lock *conflock)  in posix_lock_file()
1173 int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in posix_lock_inode_wait()
1204 	struct file_lock *fl;  in locks_mandatory_locked()
1243 	struct file_lock fl;  in locks_mandatory_area()
1291 static void lease_clear_pending(struct file_lock *fl, int arg)  in lease_clear_pending()
1303 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)  in lease_modify()
1338 	struct file_lock *fl, *tmp;  in time_out_leases()
1351 static bool leases_conflict(struct file_lock *lease, struct file_lock *breaker)  in leases_conflict()
1361 any_leases_conflict(struct inode *inode, struct file_lock *breaker)  in any_leases_conflict()
1364 	struct file_lock *fl;  in any_leases_conflict()
1392 	struct file_lock *new_fl, *fl, *tmp;  in __break_lease()
1450 	fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list);  in __break_lease()
1498 	struct file_lock *fl;  in lease_get_mtime()
1504 						struct file_lock, fl_list);  in lease_get_mtime()
1544 	struct file_lock *fl;  in fcntl_getlease()
1595 generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **priv)  in generic_add_lease()
1597 	struct file_lock *fl, *my_fl = NULL, *lease;  in generic_add_lease()
1712 	struct file_lock *fl, *victim = NULL;  in generic_delete_lease()
1750 int generic_setlease(struct file *filp, long arg, struct file_lock **flp,  in generic_setlease()
1800 vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv)  in vfs_setlease()
1811 	struct file_lock *fl;  in do_fcntl_add_lease()
1858 int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in flock_lock_inode_wait()
1899 	struct file_lock *lock;  in SYSCALL_DEFINE2()
1952 int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()
1961 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)  in posix_lock_to_flock()
1983 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)  in posix_lock_to_flock64()
1999 	struct file_lock file_lock;  in fcntl_getlk()  local
2010 	error = flock_to_posix_lock(filp, &file_lock, &flock);  in fcntl_getlk()
2020 		file_lock.fl_flags |= FL_OFDLCK;  in fcntl_getlk()
2021 		file_lock.fl_owner = filp;  in fcntl_getlk()
2024 	error = vfs_test_lock(filp, &file_lock);  in fcntl_getlk()
2028 	flock.l_type = file_lock.fl_type;  in fcntl_getlk()
2029 	if (file_lock.fl_type != F_UNLCK) {  in fcntl_getlk()
2030 		error = posix_lock_to_flock(&flock, &file_lock);  in fcntl_getlk()
2038 	locks_release_private(&file_lock);  in fcntl_getlk()
2076 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)  in vfs_lock_file()
2086 			     struct file_lock *fl)  in do_lock_file_wait()
2111 check_fmode_for_setlk(struct file_lock *fl)  in check_fmode_for_setlk()
2131 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk()  local
2137 	if (file_lock == NULL)  in fcntl_setlk()
2157 	error = flock_to_posix_lock(filp, file_lock, &flock);  in fcntl_setlk()
2161 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk()
2176 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2177 		file_lock->fl_owner = filp;  in fcntl_setlk()
2185 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2186 		file_lock->fl_owner = filp;  in fcntl_setlk()
2189 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk()
2192 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2198 	if (!error && file_lock->fl_type != F_UNLCK) {  in fcntl_setlk()
2204 		spin_lock(&current->files->file_lock);  in fcntl_setlk()
2206 		spin_unlock(&current->files->file_lock);  in fcntl_setlk()
2208 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk()
2209 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2215 	locks_free_lock(file_lock);  in fcntl_setlk()
2225 	struct file_lock file_lock;  in fcntl_getlk64()  local
2236 	error = flock64_to_posix_lock(filp, &file_lock, &flock);  in fcntl_getlk64()
2246 		file_lock.fl_flags |= FL_OFDLCK;  in fcntl_getlk64()
2247 		file_lock.fl_owner = filp;  in fcntl_getlk64()
2250 	error = vfs_test_lock(filp, &file_lock);  in fcntl_getlk64()
2254 	flock.l_type = file_lock.fl_type;  in fcntl_getlk64()
2255 	if (file_lock.fl_type != F_UNLCK)  in fcntl_getlk64()
2256 		posix_lock_to_flock64(&flock, &file_lock);  in fcntl_getlk64()
2262 	locks_release_private(&file_lock);  in fcntl_getlk64()
2273 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk64()  local
2279 	if (file_lock == NULL)  in fcntl_setlk64()
2299 	error = flock64_to_posix_lock(filp, file_lock, &flock);  in fcntl_setlk64()
2303 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk64()
2318 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2319 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2327 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2328 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2331 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk64()
2334 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2340 	if (!error && file_lock->fl_type != F_UNLCK) {  in fcntl_setlk64()
2346 		spin_lock(&current->files->file_lock);  in fcntl_setlk64()
2348 		spin_unlock(&current->files->file_lock);  in fcntl_setlk64()
2350 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk64()
2351 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2357 	locks_free_lock(file_lock);  in fcntl_setlk64()
2369 	struct file_lock lock;  in locks_remove_posix()
2402 	struct file_lock fl = {  in locks_remove_flock()
2431 	struct file_lock *fl, *tmp;  in locks_remove_lease()
2470 posix_unblock_lock(struct file_lock *waiter)  in posix_unblock_lock()
2491 int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()
2509 static void lock_get_status(struct seq_file *f, struct file_lock *fl,  in lock_get_status()
2588 	struct file_lock *fl, *bfl;  in locks_show()
2590 	fl = hlist_entry(v, struct file_lock, fl_link);  in locks_show()
2604 	struct file_lock *fl;  in __show_fd_locks()
2700 			sizeof(struct file_lock), 0, SLAB_PANIC, NULL);  in filelock_init()