linux-kernel - [PATCH 10/20] dm: stop using ->queuedata

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Message-Id: <20200629193947.2705954-11-hch@lst.de>
Date:   Mon, 29 Jun 2020 21:39:37 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     dm-devel@...hat.com, linux-kernel@...r.kernel.org,
        linux-m68k@...ts.linux-m68k.org, linux-xtensa@...ux-xtensa.org,
        drbd-dev@...ts.linbit.com, linuxppc-dev@...ts.ozlabs.org,
        linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-nvdimm@...ts.01.org, linux-nvme@...ts.infradead.org,
        linux-s390@...r.kernel.org
Subject: [PATCH 10/20] dm: stop using ->queuedata

Instead of setting up the queuedata as well just use one private data
field.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/md/dm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index e44473fe0f4873..c8d91f271c272e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1789,7 +1789,7 @@ static blk_qc_t dm_process_bio(struct mapped_device *md,
 
 static blk_qc_t dm_make_request(struct request_queue *q, struct bio *bio)
 {
-	struct mapped_device *md = q->queuedata;
+	struct mapped_device *md = bio->bi_disk->private_data;
 	blk_qc_t ret = BLK_QC_T_NONE;
 	int srcu_idx;
 	struct dm_table *map;
@@ -1995,7 +1995,6 @@ static struct mapped_device *alloc_dev(int minor)
 	md->queue = blk_alloc_queue(dm_make_request, numa_node_id);
 	if (!md->queue)
 		goto bad;
-	md->queue->queuedata = md;
 
 	md->disk = alloc_disk_node(1, md->numa_node_id);
 	if (!md->disk)
-- 
2.26.2