If we had to try more than one mirror to get a successful
read, then write that buffer back to correct the bad mirro

Signed-off-by: Allison Henderson <[email protected]>
---
 fs/xfs/xfs_buf.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index f102d01..81f6491 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -847,6 +847,14 @@ xfs_buf_read_map(
 
                }
 retry_done:
+
+               /*
+                * if we had to try more than one mirror to sucessfully read
+                * the buffer, write the buffer back
+                */
+               if (!bp->b_error && i > 0)
+                       xfs_bwrite(bp);
+
                return bp;
        }
 
-- 
2.7.4

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