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()
731 static void __locks_wake_up_blocks(struct file_lock *blocker)  in __locks_wake_up_blocks()
734 		struct file_lock *waiter;  in __locks_wake_up_blocks()
737 					  struct file_lock, fl_blocked_member);  in __locks_wake_up_blocks()
752 int locks_delete_block(struct file_lock *waiter)  in locks_delete_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()
800 	struct file_lock *fl;  in __locks_insert_block()
822 static void locks_insert_block(struct file_lock *blocker,  in locks_insert_block()  argument
823 			       struct file_lock *waiter,  in locks_insert_block()
824 			       bool conflict(struct file_lock *,  in locks_insert_block()  argument
825 					     struct file_lock *))  in locks_insert_block()
837 static void locks_wake_up_blocks(struct file_lock *blocker)  in locks_wake_up_blocks()
855 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before)  in locks_insert_lock_ctx()
862 locks_unlink_lock_ctx(struct file_lock *fl)  in locks_unlink_lock_ctx()
870 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose)  in locks_delete_lock_ctx()
882 static bool locks_conflict(struct file_lock *caller_fl,  in locks_conflict()
883 			   struct file_lock *sys_fl)  in locks_conflict()
895 static bool posix_locks_conflict(struct file_lock *caller_fl,  in posix_locks_conflict()
896 				 struct file_lock *sys_fl)  in posix_locks_conflict()
914 static bool flock_locks_conflict(struct file_lock *caller_fl,  in flock_locks_conflict()
915 				 struct file_lock *sys_fl)  in flock_locks_conflict()
929 posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()
931 	struct file_lock *cfl;  in posix_test_lock()
991 static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl)  in what_owner_is_waiting_for()
993 	struct file_lock *fl;  in what_owner_is_waiting_for()
1006 static int posix_locks_deadlock(struct file_lock *caller_fl,  in posix_locks_deadlock()
1007 				struct file_lock *block_fl)  in posix_locks_deadlock()
1036 static int flock_lock_inode(struct inode *inode, struct file_lock *request)  in flock_lock_inode()
1038 	struct file_lock *new_fl = NULL;  in flock_lock_inode()
1039 	struct file_lock *fl;  in flock_lock_inode()
1108 static int posix_lock_inode(struct inode *inode, struct file_lock *request,  in posix_lock_inode()
1109 			    struct file_lock *conflock)  in posix_lock_inode()
1111 	struct file_lock *fl, *tmp;  in posix_lock_inode()
1112 	struct file_lock *new_fl = NULL;  in posix_lock_inode()
1113 	struct file_lock *new_fl2 = NULL;  in posix_lock_inode()
1114 	struct file_lock *left = NULL;  in posix_lock_inode()
1115 	struct file_lock *right = NULL;  in posix_lock_inode()
1345 int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()
1346 			struct file_lock *conflock)  in posix_lock_file()
1359 static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in posix_lock_inode_wait()
1388 	struct file_lock *fl;  in locks_mandatory_locked()
1423 	struct file_lock fl;  in locks_mandatory_area()
1471 static void lease_clear_pending(struct file_lock *fl, int arg)  in lease_clear_pending()
1483 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)  in lease_modify()
1518 	struct file_lock *fl, *tmp;  in time_out_leases()
1531 static bool leases_conflict(struct file_lock *lease, struct file_lock *breaker)  in leases_conflict()
1551 any_leases_conflict(struct inode *inode, struct file_lock *breaker)  in any_leases_conflict()
1554 	struct file_lock *fl;  in any_leases_conflict()
1582 	struct file_lock *new_fl, *fl, *tmp;  in __break_lease()
1642 	fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list);  in __break_lease()
1695 	struct file_lock *fl;  in lease_get_mtime()
1701 					      struct file_lock, fl_list);  in lease_get_mtime()
1737 	struct file_lock *fl;  in fcntl_getlease()
1806 generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **priv)  in generic_add_lease()
1808 	struct file_lock *fl, *my_fl = NULL, *lease;  in generic_add_lease()
1924 	struct file_lock *fl, *victim = NULL;  in generic_delete_lease()
1964 int generic_setlease(struct file *filp, long arg, struct file_lock **flp,  in generic_setlease()
2011 setlease_notifier(long arg, struct file_lock *lease)  in setlease_notifier()
2036 setlease_notifier(long arg, struct file_lock *lease)  in setlease_notifier()
2071 vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv)  in vfs_setlease()
2084 	struct file_lock *fl;  in do_fcntl_add_lease()
2131 static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in flock_lock_inode_wait()
2154 int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)  in locks_lock_inode_wait()
2191 	struct file_lock *lock;  in SYSCALL_DEFINE2()
2244 int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()
2260 static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)  in locks_translate_pid()
2284 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)  in posix_lock_to_flock()
2306 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)  in posix_lock_to_flock64()
2322 	struct file_lock *fl;  in fcntl_getlk()
2394 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)  in vfs_lock_file()
2404 			     struct file_lock *fl)  in do_lock_file_wait()
2427 check_fmode_for_setlk(struct file_lock *fl)  in check_fmode_for_setlk()
2447 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk()  local
2452 	if (file_lock == NULL)  in fcntl_setlk()
2463 	error = flock_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk()
2467 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk()
2482 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2483 		file_lock->fl_owner = filp;  in fcntl_setlk()
2491 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk()
2492 		file_lock->fl_owner = filp;  in fcntl_setlk()
2495 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk()
2498 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2505 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk()
2506 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk()
2512 		spin_lock(&current->files->file_lock);  in fcntl_setlk()
2514 		spin_unlock(&current->files->file_lock);  in fcntl_setlk()
2516 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk()
2517 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2523 	trace_fcntl_setlk(inode, file_lock, error);  in fcntl_setlk()
2524 	locks_free_lock(file_lock);  in fcntl_setlk()
2534 	struct file_lock *fl;  in fcntl_getlk64()
2578 	struct file_lock *file_lock = locks_alloc_lock();  in fcntl_setlk64()  local
2583 	if (file_lock == NULL)  in fcntl_setlk64()
2594 	error = flock64_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk64()
2598 	error = check_fmode_for_setlk(file_lock);  in fcntl_setlk64()
2613 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2614 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2622 		file_lock->fl_flags |= FL_OFDLCK;  in fcntl_setlk64()
2623 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2626 		file_lock->fl_flags |= FL_SLEEP;  in fcntl_setlk64()
2629 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2636 	if (!error && file_lock->fl_type != F_UNLCK &&  in fcntl_setlk64()
2637 	    !(file_lock->fl_flags & FL_OFDLCK)) {  in fcntl_setlk64()
2643 		spin_lock(&current->files->file_lock);  in fcntl_setlk64()
2645 		spin_unlock(&current->files->file_lock);  in fcntl_setlk64()
2647 			file_lock->fl_type = F_UNLCK;  in fcntl_setlk64()
2648 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2654 	locks_free_lock(file_lock);  in fcntl_setlk64()
2668 	struct file_lock lock;  in locks_remove_posix()
2703 	struct file_lock fl;  in locks_remove_flock()
2725 	struct file_lock *fl, *tmp;  in locks_remove_lease()
2776 int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()
2793 static void lock_get_status(struct seq_file *f, struct file_lock *fl,  in lock_get_status()
2875 	struct file_lock *fl, *bfl;  in locks_show()
2878 	fl = hlist_entry(v, struct file_lock, fl_link);  in locks_show()
2895 	struct file_lock *fl;  in __show_fd_locks()
2979 			sizeof(struct file_lock), 0, SLAB_PANIC, NULL);  in filelock_init()