btrfs: skip LOOP_NO_EMPTY_SIZE if not clustered allocation

LOOP_NO_EMPTY_SIZE is solely dedicated for clustered allocation. So, we can skip this stage and give up the allocation. Signed-off-by: Naohiro Aota <[email protected]> Signed-off-by: David Sterba <[email protected]>
Netflix-Skunkworks · Mar 23, 2020 · 45d8e03 · 45d8e03
1 parent c70e213
commit 45d8e03
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
@@ -3835,6 +3835,9 @@ static int find_free_extent_update_loop(struct btrfs_fs_info *fs_info,
 		}
 
 		if (ffe_ctl->loop == LOOP_NO_EMPTY_SIZE) {
+			if (ffe_ctl->policy != BTRFS_EXTENT_ALLOC_CLUSTERED)
+				return -ENOSPC;
+
 			/*
 			 * Don't loop again if we already have no empty_size and
 			 * no empty_cluster.