xfs: add online discard support

[pandora-kernel.git] / fs / xfs / xfs_ag.h

diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index da0a561..8d52ba4 100644 (file)
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -187,6 +187,8 @@ struct xfs_busy_extent {
        xfs_agnumber_t  agno;
        xfs_agblock_t   bno;
        xfs_extlen_t    length;
+       unsigned int    flags;
+#define XFS_ALLOC_BUSY_DISCARDED       0x01    /* undergoing a discard op. */
 };
 
 /*