linux-kernel - [PATCH 4.1 65/86] md/raid1: submit_bio

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Message-Id: <20151106192208.554896061@linuxfoundation.org>
Date:	Fri,  6 Nov 2015 11:23:04 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Bill Kuzeja <William.Kuzeja@...atus.com>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	NeilBrown <neilb@...e.com>
Subject: [PATCH 4.1 65/86] md/raid1: submit_bio_wait() returns 0 on success

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jes Sorensen <Jes.Sorensen@...hat.com>

commit 203d27b0226a05202438ddb39ef0ef1acb14a759 upstream.

This was introduced with 9e882242c6193ae6f416f2d8d8db0d9126bd996b
which changed the return value of submit_bio_wait() to return != 0 on
error, but didn't update the caller accordingly.

Fixes: 9e882242c6 ("block: Add submit_bio_wait(), remove from md")
Reported-by: Bill Kuzeja <William.Kuzeja@...atus.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@...hat.com>
Signed-off-by: NeilBrown <neilb@...e.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/md/raid1.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2248,7 +2248,7 @@ static int narrow_write_error(struct r1b
 		bio_trim(wbio, sector - r1_bio->sector, sectors);
 		wbio->bi_iter.bi_sector += rdev->data_offset;
 		wbio->bi_bdev = rdev->bdev;
-		if (submit_bio_wait(WRITE, wbio) == 0)
+		if (submit_bio_wait(WRITE, wbio) < 0)
 			/* failure! */
 			ok = rdev_set_badblocks(rdev, sector,
 						sectors, 0)


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