1 files changed, 8 insertions, 0 deletions

diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index fe0109956656..456519a088c7 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -85,6 +85,14 @@ typedef enum {
          * modifications being lost.
          */
         _XBF_PAGE_LOCKED = (1 << 22),
+
+        /*
+         * If we try a barrier write, but it fails we have to communicate
+         * this to the upper layers.  Unfortunately b_error gets overwritten
+         * when the buffer is re-issued so we have to add another flag to
+         * keep this information.
+         */
+        _XFS_BARRIER_FAILED = (1 << 23),
 } xfs_buf_flags_t;
 
 typedef enum {