[dm-devel] [PATCH] dm: Integrity errors should not cause failover

[Martin K. Petersen]

Integrity errors need to be passed to the owner of the integrity
metadata for processing. Consequently EILSEQ should be passed up the
stack.

Signed-off-by: Martin K. Petersen <martin.petersen at oracle.com>

---

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index f336c69..57f7dd3 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1215,7 +1215,7 @@ static int do_end_io(struct multipath *m, struct request *clone,
 	if (!error && !clone->errors)
 		return 0;	/* I/O complete */
 
-	if (error == -EOPNOTSUPP)
+	if (error == -EOPNOTSUPP || error == -EILSEQ)
 		return error;
 
 	if (mpio->pgpath)