Commit 5ee78ac7 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: Fix split_leaf to avoid incorrect double splits 



Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent ff190c0c

fs/btrfs/ctree.c

+5 −1
Original line number Diff line number Diff line
@@ -1865,9 +1865,13 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root 
				return ret;

			}

			mid = slot;

			if (mid != nritems &&

			    leaf_space_used(l, mid, nritems - mid) +

			    space_needed > BTRFS_LEAF_DATA_SIZE(root)) {

				double_split = 1;

			}

		}

	}

	nritems = nritems - mid;

	btrfs_set_header_nritems(right, nritems);

	data_copy_size = btrfs_item_end_nr(l, mid) - leaf_data_end(root, l);