summary refs log tree commit diff
path: root/drivers/mmc
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2021-06-16 07:39:33 +0200
committerJens Axboe <axboe@kernel.dk>2021-06-30 15:34:04 -0600
commit249cda3325e0ff35dd8af9b5885f3aaf4ddd165d (patch)
treec95b52361b2772525ba2ed3990b8599c085b0f03 /drivers/mmc
parent6497ef8df568afbf5f3e38825a4590ff41611a54 (diff)
downloadlinux-249cda3325e0ff35dd8af9b5885f3aaf4ddd165d.tar.gz
mmc: remove an extra blk_{get,put}_queue pair
The gendisk already acquires a reference to the queue when add_disk
is called, which dropped on put_disk.  So remove the superflous
extra refcounting.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210616053934.880951-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/block.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 88f4c215caa6..d663daef57f2 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -202,7 +202,7 @@ static void mmc_blk_put(struct mmc_blk_data *md)
 	md->usage--;
 	if (md->usage == 0) {
 		int devidx = mmc_get_devidx(md->disk);
-		blk_put_queue(md->queue.queue);
+
 		ida_simple_remove(&mmc_blk_ida, devidx);
 		put_disk(md->disk);
 		kfree(md);
@@ -2335,18 +2335,6 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 
 	md->queue.blkdata = md;
 
-	/*
-	 * Keep an extra reference to the queue so that we can shutdown the
-	 * queue (i.e. call blk_cleanup_queue()) while there are still
-	 * references to the 'md'. The corresponding blk_put_queue() is in
-	 * mmc_blk_put().
-	 */
-	if (!blk_get_queue(md->queue.queue)) {
-		mmc_cleanup_queue(&md->queue);
-		ret = -ENODEV;
-		goto err_putdisk;
-	}
-
 	md->disk->major	= MMC_BLOCK_MAJOR;
 	md->disk->first_minor = devidx * perdev_minors;
 	md->disk->fops = &mmc_bdops;