1 files changed, 4 insertions, 1 deletions

diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 3043e5ed6495..8a6532aae779 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -280,7 +280,10 @@ DECLARE_EVENT_CLASS(xfs_buf_class,
         ),
         TP_fast_assign(
                 __entry->dev = bp->b_target->bt_dev;
-                __entry->bno = bp->b_bn;
+                if (bp->b_bn == XFS_BUF_DADDR_NULL)
+                        __entry->bno = bp->b_maps[0].bm_bn;
+                else
+                        __entry->bno = bp->b_bn;
                 __entry->nblks = bp->b_length;
                 __entry->hold = atomic_read(&bp->b_hold);
                 __entry->pincount = atomic_read(&bp->b_pin_count);