45 		if (atomic_read(&eb->blocking_writers) == 0) {  in btrfs_set_lock_blocking_rw()
46 			WARN_ON(atomic_read(&eb->spinning_writers) != 1);  in btrfs_set_lock_blocking_rw()
55 		WARN_ON(atomic_read(&eb->spinning_readers) == 0);  in btrfs_set_lock_blocking_rw()
78 		BUG_ON(atomic_read(&eb->blocking_writers) != 1);  in btrfs_clear_lock_blocking_rw()
80 		WARN_ON(atomic_read(&eb->spinning_writers));  in btrfs_clear_lock_blocking_rw()
89 		BUG_ON(atomic_read(&eb->blocking_readers) == 0);  in btrfs_clear_lock_blocking_rw()
109 	BUG_ON(!atomic_read(&eb->blocking_writers) &&  in btrfs_tree_read_lock()
113 	if (atomic_read(&eb->blocking_writers) &&  in btrfs_tree_read_lock()
126 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_read_lock()
129 			   atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_read_lock()
143 	if (atomic_read(&eb->blocking_writers))  in btrfs_tree_read_lock_atomic()
147 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_read_lock_atomic()
162 	if (atomic_read(&eb->blocking_writers))  in btrfs_try_tree_read_lock()
168 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_try_tree_read_lock()
183 	if (atomic_read(&eb->blocking_writers) ||  in btrfs_try_tree_write_lock()
184 	    atomic_read(&eb->blocking_readers))  in btrfs_try_tree_write_lock()
188 	if (atomic_read(&eb->blocking_writers) ||  in btrfs_try_tree_write_lock()
189 	    atomic_read(&eb->blocking_readers)) {  in btrfs_try_tree_write_lock()
215 	WARN_ON(atomic_read(&eb->spinning_readers) == 0);  in btrfs_tree_read_unlock()
237 	WARN_ON(atomic_read(&eb->blocking_readers) == 0);  in btrfs_tree_read_unlock_blocking()
255 	wait_event(eb->read_lock_wq, atomic_read(&eb->blocking_readers) == 0);  in btrfs_tree_lock()
256 	wait_event(eb->write_lock_wq, atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_lock()
258 	if (atomic_read(&eb->blocking_readers)) {  in btrfs_tree_lock()
261 			   atomic_read(&eb->blocking_readers) == 0);  in btrfs_tree_lock()
264 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_lock()
267 			   atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_lock()
270 	WARN_ON(atomic_read(&eb->spinning_writers));  in btrfs_tree_lock()
281 	int blockers = atomic_read(&eb->blocking_writers);  in btrfs_tree_unlock()
290 		WARN_ON(atomic_read(&eb->spinning_writers));  in btrfs_tree_unlock()
299 		WARN_ON(atomic_read(&eb->spinning_writers) != 1);  in btrfs_tree_unlock()
307 	BUG_ON(!atomic_read(&eb->write_locks));  in btrfs_assert_tree_locked()
312 	BUG_ON(!atomic_read(&eb->read_locks));  in btrfs_assert_tree_read_locked()