linux-kernel - [141/165] dm mpath: do not fail paths after integrity errors

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Message-Id: <20110601081215.365650460@blue.kroah.org>
Date:	Wed, 01 Jun 2011 17:11:51 +0900
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Mike Snitzer <snitzer@...hat.com>,
	Alasdair G Kergon <agk@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [141/165] dm mpath: do not fail paths after integrity errors

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------
Content-Length: 899
Lines: 29

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

commit 6f13f6fba76edc7d0e7580c5deee829d59a41b2f upstream.

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@...cle.com>
Acked-by: Mike Snitzer <snitzer@...hat.com>
Signed-off-by: Alasdair G Kergon <agk@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/md/dm-mpath.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1290,7 +1290,7 @@ static int do_end_io(struct multipath *m
 	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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