143 static bool lease_breaking(struct file_lock *fl)  in lease_breaking()
148 static int target_leasetype(struct file_lock *fl)  in target_leasetype()
247 static void locks_init_lock_heads(struct file_lock *fl)  in locks_init_lock_heads()
256 struct file_lock *locks_alloc_lock(void)  in locks_alloc_lock()
258 	struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);  in locks_alloc_lock()
267 void locks_release_private(struct file_lock *fl)  in locks_release_private()
286 void locks_free_lock(struct file_lock *fl)  in locks_free_lock()
301 	struct file_lock *fl;  in locks_dispose_list()
304 		fl = list_first_entry(dispose, struct file_lock, fl_list);  in locks_dispose_list()
310 void locks_init_lock(struct file_lock *fl)  in locks_init_lock()
312 	memset(fl, 0, sizeof(struct file_lock));  in locks_init_lock()
321 void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)  in locks_copy_conflock()
340 void locks_copy_lock(struct file_lock *new, struct file_lock *fl)  in locks_copy_lock()
373 static struct file_lock *
376 	struct file_lock *fl;  in flock_make_lock()
396 static int assign_type(struct file_lock *fl, long type)  in assign_type()
410 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock64_to_posix_lock()
460 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock_to_posix_lock()
475 lease_break_callback(struct file_lock *fl)  in lease_break_callback()
482 lease_setup(struct file_lock *fl, void **priv)  in lease_setup()
507 static int lease_init(struct file *filp, long type, struct file_lock *fl)  in lease_init()
525 static struct file_lock *lease_alloc(struct file *filp, long type)  in lease_alloc()
527 	struct file_lock *fl = locks_alloc_lock();  in lease_alloc()
543 static inline int locks_overlap(struct file_lock *fl1, struct file_lock *fl2)  in locks_overlap()
552 static int posix_same_owner(struct file_lock *fl1, struct file_lock *fl2)  in posix_same_owner()
561 static void locks_insert_global_locks(struct file_lock *fl)  in locks_insert_global_locks()
570 static void locks_delete_global_locks(struct file_lock *fl)  in locks_delete_global_locks()
585 posix_owner_key(struct file_lock *fl)  in posix_owner_key()
592 static void locks_insert_global_blocked(struct file_lock *waiter)  in locks_insert_global_blocked()
599 static void locks_delete_global_blocked(struct file_lock *waiter)  in locks_delete_global_blocked()
611 static void __locks_delete_block(struct file_lock *waiter)  in __locks_delete_block()
618 static void locks_delete_block(struct file_lock *waiter)  in locks_delete_block()
635 static void __locks_insert_block(struct file_lock *blocker,  in __locks_insert_block()
636 					struct file_lock *waiter)  in __locks_insert_block()
646 static void locks_insert_block(struct file_lock *blocker,  in locks_insert_block()
647 					struct file_lock *waiter)  in locks_insert_block()
659 static void locks_wake_up_blocks(struct file_lock *blocker)  in locks_wake_up_blocks()
673 		struct file_lock *waiter;  in locks_wake_up_blocks()
676 				struct file_lock, fl_block);  in locks_wake_up_blocks()
687 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before)  in locks_insert_lock_ctx()
695 locks_unlink_lock_ctx(struct file_lock *fl)  in locks_unlink_lock_ctx()
707 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose)  in locks_delete_lock_ctx()
719 static int locks_conflict(struct file_lock *caller_fl, struct file_lock *sys_fl)  in locks_conflict()
731 static int posix_locks_conflict(struct file_lock *caller_fl, struct file_lock *sys_fl)  in posix_locks_conflict()
749 static int flock_locks_conflict(struct file_lock *caller_fl, struct file_lock *sys_fl)  in flock_locks_conflict()
763 posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()
765 	struct file_lock *cfl;  in posix_test_lock()
827 static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl)  in what_owner_is_waiting_for()
829 	struct file_lock *fl;  in what_owner_is_waiting_for()
839 static int posix_locks_deadlock(struct file_lock *caller_fl,  in posix_locks_deadlock()
840 				struct file_lock *block_fl)  in posix_locks_deadlock()
869 static int flock_lock_inode(struct inode *inode, struct file_lock *request)  in flock_lock_inode()
871 	struct file_lock *new_fl = NULL;  in flock_lock_inode()
872 	struct file_lock *fl;  in flock_lock_inode()
937 static int __posix_lock_file(struct inode *inode, struct file_lock *request, struct file_lock *conf…  in __posix_lock_file()
939 	struct file_lock *fl, *tmp;  in __posix_lock_file()
940 	struct file_lock *new_fl = NULL;  in __posix_lock_file()
941 	struct file_lock *new_fl2 = NULL;  in __posix_lock_file()
942 	struct file_lock *left = NULL;  in __posix_lock_file()
943 	struct file_lock *right = NULL;  in __posix_lock_file()
1162 int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()
1163 			struct file_lock *conflock)  in posix_lock_file()
1176 static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in posix_lock_inode_wait()
1206 	struct file_lock *fl;  in locks_mandatory_locked()
1245 	struct file_lock fl;  in locks_mandatory_area()
1293 static void lease_clear_pending(struct file_lock *fl, int arg)  in lease_clear_pending()
1305 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)  in lease_modify()
1340 	struct file_lock *fl, *tmp;  in time_out_leases()
1353 static bool leases_conflict(struct file_lock *lease, struct file_lock *breaker)  in leases_conflict()
1363 any_leases_conflict(struct inode *inode, struct file_lock *breaker)  in any_leases_conflict()
1366 	struct file_lock *fl;  in any_leases_conflict()
1394 	struct file_lock *new_fl, *fl, *tmp;  in __break_lease()
1453 	fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list);  in __break_lease()
1501 	struct file_lock *fl;  in lease_get_mtime()
1508 						struct file_lock, fl_list);  in lease_get_mtime()
1548 	struct file_lock *fl;  in fcntl_getlease()
1601 generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **priv)  in generic_add_lease()
1603 	struct file_lock *fl, *my_fl = NULL, *lease;  in generic_add_lease()
1718 	struct file_lock *fl, *victim = NULL;  in generic_delete_lease()
1756 int generic_setlease(struct file *filp, long arg, struct file_lock **flp,  in generic_setlease()
1805 vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv)  in vfs_setlease()
1816 	struct file_lock *fl;  in do_fcntl_add_lease()
1863 static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in flock_lock_inode_wait()
1888 int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in locks_lock_inode_wait()
1927 	struct file_lock *lock;  in SYSCALL_DEFINE2()
1980 int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()
1989 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)  in posix_lock_to_flock()
2011 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)  in posix_lock_to_flock64()
2027 	struct file_lock file_lock;  in fcntl_getlk()  local
2038 	error = flock_to_posix_lock(filp, &file_lock, &flock);  in fcntl_getlk()
2048 		file_lock.fl_flags |= FL_OFDLCK;  in fcntl_getlk()
2049 		file_lock.fl_owner = filp;  in fcntl_getlk()
2052 	error = vfs_test_lock(filp, &file_lock);  in fcntl_getlk()
2056 	flock.l_type = file_lock.fl_type;  in fcntl_getlk()
2057 	if (file_lock.fl_type != F_UNLCK) {  in fcntl_getlk()
2058 		error = posix_lock_to_flock(&flock, &file_lock);  in fcntl_getlk()
2066 	locks_release_private(&file_lock);  in fcntl_getlk()
2104 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)  in vfs_lock_file()
2114 			     struct file_lock *fl)  in do_lock_file_wait()
2139 check_fmode_for_setlk(struct file_lock *fl)  in check_fmode_for_setlk()
2159 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk()  local
2165 	if (file_lock == NULL)  in fcntl_setlk()
2185 	error = flock_to_posix_lock(filp, file_lock, &flock);  in fcntl_setlk()
2189 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk()
2204 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2205 		file_lock->fl_owner = filp;  in fcntl_setlk()
2213 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2214 		file_lock->fl_owner = filp;  in fcntl_setlk()
2217 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk()
2220 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2226 	if (!error && file_lock->fl_type != F_UNLCK) {  in fcntl_setlk()
2232 		spin_lock(&current->files->file_lock);  in fcntl_setlk()
2234 		spin_unlock(&current->files->file_lock);  in fcntl_setlk()
2236 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk()
2237 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2243 	locks_free_lock(file_lock);  in fcntl_setlk()
2253 	struct file_lock file_lock;  in fcntl_getlk64()  local
2264 	error = flock64_to_posix_lock(filp, &file_lock, &flock);  in fcntl_getlk64()
2274 		file_lock.fl_flags |= FL_OFDLCK;  in fcntl_getlk64()
2275 		file_lock.fl_owner = filp;  in fcntl_getlk64()
2278 	error = vfs_test_lock(filp, &file_lock);  in fcntl_getlk64()
2282 	flock.l_type = file_lock.fl_type;  in fcntl_getlk64()
2283 	if (file_lock.fl_type != F_UNLCK)  in fcntl_getlk64()
2284 		posix_lock_to_flock64(&flock, &file_lock);  in fcntl_getlk64()
2290 	locks_release_private(&file_lock);  in fcntl_getlk64()
2301 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk64()  local
2307 	if (file_lock == NULL)  in fcntl_setlk64()
2327 	error = flock64_to_posix_lock(filp, file_lock, &flock);  in fcntl_setlk64()
2331 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk64()
2346 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2347 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2355 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2356 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2359 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk64()
2362 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2368 	if (!error && file_lock->fl_type != F_UNLCK) {  in fcntl_setlk64()
2374 		spin_lock(&current->files->file_lock);  in fcntl_setlk64()
2376 		spin_unlock(&current->files->file_lock);  in fcntl_setlk64()
2378 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk64()
2379 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2385 	locks_free_lock(file_lock);  in fcntl_setlk64()
2397 	struct file_lock lock;  in locks_remove_posix()
2431 	struct file_lock fl = {  in locks_remove_flock()
2457 	struct file_lock *fl, *tmp;  in locks_remove_lease()
2499 posix_unblock_lock(struct file_lock *waiter)  in posix_unblock_lock()
2520 int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()
2538 static void lock_get_status(struct seq_file *f, struct file_lock *fl,  in lock_get_status()
2617 	struct file_lock *fl, *bfl;  in locks_show()
2619 	fl = hlist_entry(v, struct file_lock, fl_link);  in locks_show()
2633 	struct file_lock *fl;  in __show_fd_locks()
2729 			sizeof(struct file_lock), 0, SLAB_PANIC, NULL);  in filelock_init()