diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-06-02 08:53:22 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-11 19:53:02 +0200 |
| commit | f368b7d7fa77768026d439ec9c32fe16a2d5eb52 (patch) | |
| tree | cccbf75158e028d7a0cb52def3cc60d72d4ed390 | |
| parent | pf: use blk_mq_alloc_disk (diff) | |
| download | linux-f368b7d7fa77768026d439ec9c32fe16a2d5eb52.tar.xz linux-f368b7d7fa77768026d439ec9c32fe16a2d5eb52.zip | |
ms_block: use blk_mq_alloc_disk
Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue
allocation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210602065345.355274-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/memstick/core/ms_block.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/memstick/core/ms_block.c b/drivers/memstick/core/ms_block.c index 0bacf4268f83..dac258d12aca 100644 --- a/drivers/memstick/core/ms_block.c +++ b/drivers/memstick/core/ms_block.c @@ -2110,21 +2110,17 @@ static int msb_init_disk(struct memstick_dev *card) if (msb->disk_id < 0) return msb->disk_id; - msb->disk = alloc_disk(0); - if (!msb->disk) { - rc = -ENOMEM; + rc = blk_mq_alloc_sq_tag_set(&msb->tag_set, &msb_mq_ops, 2, + BLK_MQ_F_SHOULD_MERGE); + if (rc) goto out_release_id; - } - msb->queue = blk_mq_init_sq_queue(&msb->tag_set, &msb_mq_ops, 2, - BLK_MQ_F_SHOULD_MERGE); - if (IS_ERR(msb->queue)) { - rc = PTR_ERR(msb->queue); - msb->queue = NULL; - goto out_put_disk; + msb->disk = blk_mq_alloc_disk(&msb->tag_set, card); + if (IS_ERR(msb->disk)) { + rc = PTR_ERR(msb->disk); + goto out_free_tag_set; } - - msb->queue->queuedata = card; + msb->queue = msb->disk->queue; blk_queue_max_hw_sectors(msb->queue, MS_BLOCK_MAX_PAGES); blk_queue_max_segments(msb->queue, MS_BLOCK_MAX_SEGS); @@ -2135,7 +2131,6 @@ static int msb_init_disk(struct memstick_dev *card) sprintf(msb->disk->disk_name, "msblk%d", msb->disk_id); msb->disk->fops = &msb_bdops; msb->disk->private_data = msb; - msb->disk->queue = msb->queue; capacity = msb->pages_in_block * msb->logical_block_count; capacity *= (msb->page_size / 512); @@ -2155,8 +2150,8 @@ static int msb_init_disk(struct memstick_dev *card) dbg("Disk added"); return 0; -out_put_disk: - put_disk(msb->disk); +out_free_tag_set: + blk_mq_free_tag_set(&msb->tag_set); out_release_id: mutex_lock(&msb_disk_lock); idr_remove(&msb_disk_idr, msb->disk_id); |