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-rw-r--r--fs/ocfs2/alloc.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 7c879fc7834..38a42f5d59f 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -2326,10 +2326,18 @@ static int ocfs2_extend_rotate_transaction(handle_t *handle, int subtree_depth,
int op_credits,
struct ocfs2_path *path)
{
+ int ret;
int credits = (path->p_tree_depth - subtree_depth) * 2 + 1 + op_credits;
- if (handle->h_buffer_credits < credits)
- return ocfs2_extend_trans(handle, credits);
+ if (handle->h_buffer_credits < credits) {
+ ret = ocfs2_extend_trans(handle,
+ credits - handle->h_buffer_credits);
+ if (ret)
+ return ret;
+
+ if (unlikely(handle->h_buffer_credits < credits))
+ return ocfs2_extend_trans(handle, credits);
+ }
return 0;
}