183 static bool lease_breaking(struct file_lock *fl)  in lease_breaking()
188 static int target_leasetype(struct file_lock *fl)  in target_leasetype()
283 	struct file_lock *fl;  in locks_dump_ctx_list()
311 	struct file_lock *fl;  in locks_check_ctx_file_list()
334 static void locks_init_lock_heads(struct file_lock *fl)  in locks_init_lock_heads()
344 struct file_lock *locks_alloc_lock(void)  in locks_alloc_lock()
346 	struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);  in locks_alloc_lock()
355 void locks_release_private(struct file_lock *fl)  in locks_release_private()
380 void locks_free_lock(struct file_lock *fl)  in locks_free_lock()
390 	struct file_lock *fl;  in locks_dispose_list()
393 		fl = list_first_entry(dispose, struct file_lock, fl_list);  in locks_dispose_list()
399 void locks_init_lock(struct file_lock *fl)  in locks_init_lock()
401 	memset(fl, 0, sizeof(struct file_lock));  in locks_init_lock()
409 void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)  in locks_copy_conflock()
428 void locks_copy_lock(struct file_lock *new, struct file_lock *fl)  in locks_copy_lock()
445 static void locks_move_blocks(struct file_lock *new, struct file_lock *fl)  in locks_move_blocks()
447 	struct file_lock *f;  in locks_move_blocks()
478 static struct file_lock *
479 flock_make_lock(struct file *filp, unsigned int cmd, struct file_lock *fl)  in flock_make_lock()
504 static int assign_type(struct file_lock *fl, long type)  in assign_type()
518 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock64_to_posix_lock()
568 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock_to_posix_lock()
583 lease_break_callback(struct file_lock *fl)  in lease_break_callback()
590 lease_setup(struct file_lock *fl, void **priv)  in lease_setup()
615 static int lease_init(struct file *filp, long type, struct file_lock *fl)  in lease_init()
633 static struct file_lock *lease_alloc(struct file *filp, long type)  in lease_alloc()
635 	struct file_lock *fl = locks_alloc_lock();  in lease_alloc()
651 static inline int locks_overlap(struct file_lock *fl1, struct file_lock *fl2)  in locks_overlap()
660 static int posix_same_owner(struct file_lock *fl1, struct file_lock *fl2)  in posix_same_owner()
666 static void locks_insert_global_locks(struct file_lock *fl)  in locks_insert_global_locks()
679 static void locks_delete_global_locks(struct file_lock *fl)  in locks_delete_global_locks()
700 posix_owner_key(struct file_lock *fl)  in posix_owner_key()
705 static void locks_insert_global_blocked(struct file_lock *waiter)  in locks_insert_global_blocked()
712 static void locks_delete_global_blocked(struct file_lock *waiter)  in locks_delete_global_blocked()
724 static void __locks_delete_block(struct file_lock *waiter)  in __locks_delete_block()
730 static void __locks_wake_up_blocks(struct file_lock *blocker)  in __locks_wake_up_blocks()
733 		struct file_lock *waiter;  in __locks_wake_up_blocks()
736 					  struct file_lock, fl_blocked_member);  in __locks_wake_up_blocks()
758 int locks_delete_block(struct file_lock *waiter)  in locks_delete_block()
818 static void __locks_insert_block(struct file_lock *blocker,  in __locks_insert_block()  argument
819 				 struct file_lock *waiter,  in __locks_insert_block()
820 				 bool conflict(struct file_lock *,  in __locks_insert_block()  argument
821 					       struct file_lock *))  in __locks_insert_block()
823 	struct file_lock *fl;  in __locks_insert_block()
845 static void locks_insert_block(struct file_lock *blocker,  in locks_insert_block()  argument
846 			       struct file_lock *waiter,  in locks_insert_block()
847 			       bool conflict(struct file_lock *,  in locks_insert_block()  argument
848 					     struct file_lock *))  in locks_insert_block()
860 static void locks_wake_up_blocks(struct file_lock *blocker)  in locks_wake_up_blocks()
878 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before)  in locks_insert_lock_ctx()
885 locks_unlink_lock_ctx(struct file_lock *fl)  in locks_unlink_lock_ctx()
893 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose)  in locks_delete_lock_ctx()
905 static bool locks_conflict(struct file_lock *caller_fl,  in locks_conflict()
906 			   struct file_lock *sys_fl)  in locks_conflict()
918 static bool posix_locks_conflict(struct file_lock *caller_fl,  in posix_locks_conflict()
919 				 struct file_lock *sys_fl)  in posix_locks_conflict()
937 static bool flock_locks_conflict(struct file_lock *caller_fl,  in flock_locks_conflict()
938 				 struct file_lock *sys_fl)  in flock_locks_conflict()
952 posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()
954 	struct file_lock *cfl;  in posix_test_lock()
1014 static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl)  in what_owner_is_waiting_for()
1016 	struct file_lock *fl;  in what_owner_is_waiting_for()
1029 static int posix_locks_deadlock(struct file_lock *caller_fl,  in posix_locks_deadlock()
1030 				struct file_lock *block_fl)  in posix_locks_deadlock()
1059 static int flock_lock_inode(struct inode *inode, struct file_lock *request)  in flock_lock_inode()
1061 	struct file_lock *new_fl = NULL;  in flock_lock_inode()
1062 	struct file_lock *fl;  in flock_lock_inode()
1131 static int posix_lock_inode(struct inode *inode, struct file_lock *request,  in posix_lock_inode()
1132 			    struct file_lock *conflock)  in posix_lock_inode()
1134 	struct file_lock *fl, *tmp;  in posix_lock_inode()
1135 	struct file_lock *new_fl = NULL;  in posix_lock_inode()
1136 	struct file_lock *new_fl2 = NULL;  in posix_lock_inode()
1137 	struct file_lock *left = NULL;  in posix_lock_inode()
1138 	struct file_lock *right = NULL;  in posix_lock_inode()
1369 int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()
1370 			struct file_lock *conflock)  in posix_lock_file()
1383 static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in posix_lock_inode_wait()
1400 static void lease_clear_pending(struct file_lock *fl, int arg)  in lease_clear_pending()
1412 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)  in lease_modify()
1447 	struct file_lock *fl, *tmp;  in time_out_leases()
1460 static bool leases_conflict(struct file_lock *lease, struct file_lock *breaker)  in leases_conflict()
1483 any_leases_conflict(struct inode *inode, struct file_lock *breaker)  in any_leases_conflict()
1486 	struct file_lock *fl;  in any_leases_conflict()
1514 	struct file_lock *new_fl, *fl, *tmp;  in __break_lease()
1574 	fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list);  in __break_lease()
1628 	struct file_lock *fl;  in lease_get_mtime()
1634 					      struct file_lock, fl_list);  in lease_get_mtime()
1670 	struct file_lock *fl;  in fcntl_getlease()
1742 generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **priv)  in generic_add_lease()
1744 	struct file_lock *fl, *my_fl = NULL, *lease;  in generic_add_lease()
1860 	struct file_lock *fl, *victim = NULL;  in generic_delete_lease()
1900 int generic_setlease(struct file *filp, long arg, struct file_lock **flp,  in generic_setlease()
1947 setlease_notifier(long arg, struct file_lock *lease)  in setlease_notifier()
1972 setlease_notifier(long arg, struct file_lock *lease)  in setlease_notifier()
2007 vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv)  in vfs_setlease()
2020 	struct file_lock *fl;  in do_fcntl_add_lease()
2067 static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in flock_lock_inode_wait()
2091 int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in locks_lock_inode_wait()
2128 	struct file_lock *lock;  in SYSCALL_DEFINE2()
2181 int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()
2197 static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)  in locks_translate_pid()
2221 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)  in posix_lock_to_flock()
2243 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)  in posix_lock_to_flock64()
2259 	struct file_lock *fl;  in fcntl_getlk()
2330 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)  in vfs_lock_file()
2340 			     struct file_lock *fl)  in do_lock_file_wait()
2364 check_fmode_for_setlk(struct file_lock *fl)  in check_fmode_for_setlk()
2384 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk()  local
2389 	if (file_lock == NULL)  in fcntl_setlk()
2392 	error = flock_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk()
2396 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk()
2411 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2412 		file_lock->fl_owner = filp;  in fcntl_setlk()
2420 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2421 		file_lock->fl_owner = filp;  in fcntl_setlk()
2424 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk()
2427 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2434 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk()
2435 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk()
2442 		spin_lock(&files->file_lock);  in fcntl_setlk()
2444 		spin_unlock(&files->file_lock);  in fcntl_setlk()
2446 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk()
2447 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2453 	trace_fcntl_setlk(inode, file_lock, error);  in fcntl_setlk()
2454 	locks_free_lock(file_lock);  in fcntl_setlk()
2464 	struct file_lock *fl;  in fcntl_getlk64()
2508 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk64()  local
2512 	if (file_lock == NULL)  in fcntl_setlk64()
2515 	error = flock64_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk64()
2519 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk64()
2534 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2535 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2543 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2544 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2547 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk64()
2550 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2557 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk64()
2558 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk64()
2565 		spin_lock(&files->file_lock);  in fcntl_setlk64()
2567 		spin_unlock(&files->file_lock);  in fcntl_setlk64()
2569 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk64()
2570 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2576 	locks_free_lock(file_lock);  in fcntl_setlk64()
2590 	struct file_lock lock;  in locks_remove_posix()
2625 	struct file_lock fl;  in locks_remove_flock()
2647 	struct file_lock *fl, *tmp;  in locks_remove_lease()
2698 int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()
2715 static void lock_get_status(struct seq_file *f, struct file_lock *fl,  in lock_get_status()
2797 static struct file_lock *get_next_blocked_member(struct file_lock *node)  in get_next_blocked_member()
2799 	struct file_lock *tmp;  in get_next_blocked_member()
2818 	struct file_lock *cur, *tmp;  in locks_show()
2822 	cur = hlist_entry(v, struct file_lock, fl_link);  in locks_show()
2841 				struct file_lock, fl_blocked_member);  in locks_show()
2863 	struct file_lock *fl;  in __show_fd_locks()
2947 			sizeof(struct file_lock), 0, SLAB_PANIC, NULL);  in filelock_init()