linux-kernel - linux-next: build failure after merge of the md tree

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Date:   Wed, 14 Jun 2017 11:58:21 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Shaohua Li <shli@...nel.org>, Jens Axboe <axboe@...nel.dk>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>
Subject: linux-next: build failure after merge of the md tree

Hi Shaohua,

After merging the md tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

drivers/md/raid1.c: In function 'raid1_write_request':
drivers/md/raid1.c:1359:7: error: 'struct bio' has no member named 'bi_error'
    bio->bi_error = -ETIMEDOUT;
       ^
drivers/md/raid5.c: In function 'raid5_make_request':
drivers/md/raid5.c:5712:8: error: 'struct bio' has no member named 'bi_error'
      bi->bi_error = -ETIMEDOUT;
        ^

Caused by commit

  261eb8c4c5a8 ("md: make suspend range wait timed out")

interacting with commit

  4e4cbee93d56 ("block: switch bios to blk_status_t")

from the block tree.

I applied the following merge fix patch:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Wed, 14 Jun 2017 11:54:37 +1000
Subject: [PATCH] md: fixup for "block: switch bios to blk_status_t"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/md/raid1.c | 2 +-
 drivers/md/raid5.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index e320138916cc..db2ad0eeef22 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1356,7 +1356,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
 		if (remaining == 0) {
 			pr_err("md/raid1:%s: suspend range is locked\n",
 				mdname(mddev));
-			bio->bi_error = -ETIMEDOUT;
+			bio->bi_status = BLK_STS_TIMEOUT;
 			bio_endio(bio);
 			return;
 		}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2a6634b7357b..3b3005c87b4b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5709,7 +5709,7 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)
 				if (remaining == 0) {
 					pr_err("md/raid5:%s: suspend range is locked\n",
 						mdname(mddev));
-					bi->bi_error = -ETIMEDOUT;
+					bi->bi_status = BLK_STS_TIMEOUT;
 					break;
 				}
 				goto retry;


-- 
Cheers,
Stephen Rothwell