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



From: "Martin K. Petersen" <martin petersen oracle com>

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 oracle com>
Signed-off-by: Mike Snitzer <snitzer redhat com>
---
 drivers/md/dm-mpath.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

[resubmitting to dm-devel to get this in through the DM tree, next
merge window, now that this change missed the 2.6.39 merge window]

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index a550a05..aa4e570 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1290,7 +1290,7 @@ static int do_end_io(struct multipath *m, struct request *clone,
 	if (!error && !clone->errors)
 		return 0;	/* I/O complete */
 
-	if (error == -EOPNOTSUPP || error == -EREMOTEIO)
+	if (error == -EOPNOTSUPP || error == -EREMOTEIO || error == -EILSEQ)
 		return error;
 
 	if (mpio->pgpath)


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