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

[Greg KH]

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@xxxxxxxxxx>

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@xxxxxxxxxx>
Acked-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Signed-off-by: Alasdair G Kergon <agk@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 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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