1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 652cf305a967..62051a36664a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -541,7 +541,7 @@ static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
         if (num_blocks == 0) {
                 fill_prealloc = 1;
                 num_blocks = 1;
-                total_needed = min(level + 2, BTRFS_MAX_LEVEL) * 3;
+                total_needed = (min(level + 1, BTRFS_MAX_LEVEL) + 2) * 3;
         }
         find_search_start(root, 0);
         if (info->block_group_cache &&