[RFC PATCH v2 8/9] xfs: Rewrite retried read
From: Bob Liu <hidden>
Date: 2019-02-13 09:53:58
Also in:
linux-fsdevel, linux-xfs
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
From: Allison Henderson <redacted> If we had to try more than one mirror to get a successful read, then write that buffer back to correct the bad mirror Signed-off-by: Allison Henderson <redacted> --- 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 2c250221cb78..e54dbc776d15 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c@@ -861,6 +861,14 @@ 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; }
--
2.17.1