dm: stop using ->queuedata

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index e44473f..c8d91f2 100644 (file)
--- 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)