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 <bo.li.liu@xxxxxxxxxx>
---
fs/btrfs/ctree.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index c07b6ea..f4654f8 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)
--
1.7.7.6
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