1 files changed, 9 insertions, 6 deletions

diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index cfd271c64da9..47878cf16418 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -402,9 +402,7 @@ int ocfs2_commit_trans(struct ocfs2_super *osb,
 }
 
 /*
- * 'nblocks' is what you want to add to the current
- * transaction. extend_trans will either extend the current handle by
- * nblocks, or commit it and start a new one with nblocks credits.
+ * 'nblocks' is what you want to add to the current transaction.
  *
  * This might call jbd2_journal_restart() which will commit dirty buffers
  * and then restart the transaction. Before calling
@@ -422,11 +420,15 @@ int ocfs2_commit_trans(struct ocfs2_super *osb,
  */
 int ocfs2_extend_trans(handle_t *handle, int nblocks)
 {
-        int status;
+        int status, old_nblocks;
 
         BUG_ON(!handle);
-        BUG_ON(!nblocks);
+        BUG_ON(nblocks < 0);
+
+        if (!nblocks)
+                return 0;
 
+        old_nblocks = handle->h_buffer_credits;
         mlog_entry_void();
 
         mlog(0, "Trying to extend transaction by %d blocks\n", nblocks);
@@ -445,7 +447,8 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks)
                 mlog(0,
                      "jbd2_journal_extend failed, trying "
                      "jbd2_journal_restart\n");
-                status = jbd2_journal_restart(handle, nblocks);
+                status = jbd2_journal_restart(handle,
+                                              old_nblocks + nblocks);
                 if (status < 0) {
                         mlog_errno(status);
                         goto bail;