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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 <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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@ -3986,7 +3986,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
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return -EOVERFLOW;
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/* first try to make some room by pushing left and right */
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if (data_size) {
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if (data_size && path->nodes[1]) {
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wret = push_leaf_right(trans, root, path, data_size,
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data_size, 0, 0);
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if (wret < 0)
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