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

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Date:   Mon, 11 May 2020 14:27:56 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     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>, Jan Kara <jack@...e.cz>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bart Van Assche <bvanassche@....org>
Subject: linux-next: build failure after merge of the block tree

Hi all,

After merging the block tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/block/aoe/aoeblk.c: In function 'aoeblk_gdalloc':
drivers/block/aoe/aoeblk.c:410:21: error: 'struct backing_dev_info' has no member named 'name'
  410 |  q->backing_dev_info->name = "aoe";
      |                     ^~

Caused by commit

  1cd925d58385 ("bdi: remove the name field in struct backing_dev_info")

I applied the following patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 11 May 2020 14:19:30 +1000
Subject: [PATCH] bdi: fix up for "remove the name field in struct
 backing_dev_info"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/block/aoe/aoeblk.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index a27804d71e12..5ca7216e9e01 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -407,7 +407,6 @@ aoeblk_gdalloc(void *vp)
 	WARN_ON(d->gd);
 	WARN_ON(d->flags & DEVFL_UP);
 	blk_queue_max_hw_sectors(q, BLK_DEF_MAX_SECTORS);
-	q->backing_dev_info->name = "aoe";
 	q->backing_dev_info->ra_pages = READ_AHEAD / PAGE_SIZE;
 	d->bufpool = mp;
 	d->blkq = gd->queue = q;
-- 
2.26.2

-- 
Cheers,
Stephen Rothwell

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