Commit 944746ec authored by Yan's avatar Yan Committed by Chris Mason
Browse files

Btrfs: small fixes for find_lock_delalloc_range. 



There is a 'finish_wait', but no 'prepare_to_wait' . So I think that
the 'prepare_to_wait' is missing. The second change is  according to
the name of variable.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent b97f9203

fs/btrfs/extent_map.c

+3 −1
Original line number Diff line number Diff line
@@ -1044,6 +1044,8 @@ u64 find_lock_delalloc_range(struct extent_map_tree *tree, 
			if (state->state & EXTENT_LOCKED) {

				DEFINE_WAIT(wait);

				atomic_inc(&state->refs);

				prepare_to_wait(&state->wq, &wait,

						TASK_UNINTERRUPTIBLE);

				write_unlock_irq(&tree->lock);

				schedule();

				write_lock_irq(&tree->lock);
@@ -1059,7 +1061,7 @@ u64 find_lock_delalloc_range(struct extent_map_tree *tree, 
		node = rb_next(node);

		if (!node)

			break;

		total_bytes = state->end - state->start + 1;

		total_bytes += state->end - state->start + 1;

		if (total_bytes >= max_bytes)

			break;

	}