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-   -   dm mpath: integrity errors should not cause failover (http://www.linux-archive.org/device-mapper-development/506739-dm-mpath-integrity-errors-should-not-cause-failover.html)

Mike Snitzer 03-28-2011 07:37 PM

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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