From 33157e05dbd60c3edd30b56d4dfc7755cae787c5 Mon Sep 17 00:00:00 2001 From: Liu Bo Date: Wed, 22 May 2013 12:07:06 +0000 Subject: [PATCH] Btrfs: check if leaf's parent exists before pushing items around During splitting a leaf, pushing items around to hopefully get some space only works when we have a parent, ie. we have at least one sibling leaf. Signed-off-by: Liu Bo Signed-off-by: Josef Bacik --- fs/btrfs/ctree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 0a430f7..1c9dc71 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -3986,7 +3986,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans, return -EOVERFLOW; /* first try to make some room by pushing left and right */ - if (data_size) { + if (data_size && path->nodes[1]) { wret = push_leaf_right(trans, root, path, data_size, data_size, 0, 0); if (wret < 0) -- 2.7.4