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()
86 		BUG_ON(atomic_read(&eb->blocking_readers) == 0);  in btrfs_clear_lock_blocking_rw()
103 	BUG_ON(!atomic_read(&eb->blocking_writers) &&  in btrfs_tree_read_lock()
107 	if (atomic_read(&eb->blocking_writers) &&  in btrfs_tree_read_lock()
120 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_read_lock()
123 			   atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_read_lock()
137 	if (atomic_read(&eb->blocking_writers))  in btrfs_tree_read_lock_atomic()
141 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_read_lock_atomic()
156 	if (atomic_read(&eb->blocking_writers))  in btrfs_try_tree_read_lock()
162 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_try_tree_read_lock()
177 	if (atomic_read(&eb->blocking_writers) ||  in btrfs_try_tree_write_lock()
178 	    atomic_read(&eb->blocking_readers))  in btrfs_try_tree_write_lock()
182 	if (atomic_read(&eb->blocking_writers) ||  in btrfs_try_tree_write_lock()
183 	    atomic_read(&eb->blocking_readers)) {  in btrfs_try_tree_write_lock()
209 	WARN_ON(atomic_read(&eb->spinning_readers) == 0);  in btrfs_tree_read_unlock()
231 	WARN_ON(atomic_read(&eb->blocking_readers) == 0);  in btrfs_tree_read_unlock_blocking()
245 	wait_event(eb->read_lock_wq, atomic_read(&eb->blocking_readers) == 0);  in btrfs_tree_lock()
246 	wait_event(eb->write_lock_wq, atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_lock()
248 	if (atomic_read(&eb->blocking_readers)) {  in btrfs_tree_lock()
251 			   atomic_read(&eb->blocking_readers) == 0);  in btrfs_tree_lock()
254 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_lock()
257 			   atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_lock()
260 	WARN_ON(atomic_read(&eb->spinning_writers));  in btrfs_tree_lock()
271 	int blockers = atomic_read(&eb->blocking_writers);  in btrfs_tree_unlock()
280 		WARN_ON(atomic_read(&eb->spinning_writers));  in btrfs_tree_unlock()
286 		WARN_ON(atomic_read(&eb->spinning_writers) != 1);  in btrfs_tree_unlock()
294 	BUG_ON(!atomic_read(&eb->write_locks));  in btrfs_assert_tree_locked()
299 	BUG_ON(!atomic_read(&eb->read_locks));  in btrfs_assert_tree_read_locked()