direct-io: always call ->end_io if non-NULL

[linux-2.6-block.git] / fs / ocfs2 / aops.c

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 794fd1587f34a3bc210d60770525a02f3cd59aba..5dcc5f5a842ea5eaf4a0ea471d87c54326c0fe16 100644 (file)
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -620,7 +620,7 @@ bail:
  * particularly interested in the aio/dio case.  We use the rw_lock DLM lock
  * to protect io on one node from truncation on another.
  */
-static void ocfs2_dio_end_io(struct kiocb *iocb,
+static int ocfs2_dio_end_io(struct kiocb *iocb,
                             loff_t offset,
                             ssize_t bytes,
                             void *private)
@@ -628,6 +628,9 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
        struct inode *inode = file_inode(iocb->ki_filp);
        int level;
 
+       if (bytes <= 0)
+               return 0;
+
        /* this io's submitter should not have unlocked this before we could */
        BUG_ON(!ocfs2_iocb_is_rw_locked(iocb));
 
@@ -644,6 +647,8 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
                level = ocfs2_iocb_rw_locked_level(iocb);
                ocfs2_rw_unlock(inode, level);
        }
+
+       return 0;
 }
 
 static int ocfs2_releasepage(struct page *page, gfp_t wait)