diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-06-02 08:53:39 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-11 19:54:42 +0200 |
| commit | 693874035e6e54981771eb5f19e6eb0da2437175 (patch) | |
| tree | 754c9977d3c5c5980dc14c3ee0f0f92ed384ba2a /drivers/block/sx8.c | |
| parent | rnbd: use blk_mq_alloc_disk and blk_cleanup_disk (diff) | |
| download | linux-693874035e6e54981771eb5f19e6eb0da2437175.tar.xz linux-693874035e6e54981771eb5f19e6eb0da2437175.zip | |
sx8: use blk_mq_alloc_disk and blk_cleanup_disk
Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and
request_queue allocation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210602065345.355274-25-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | drivers/block/sx8.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 2cdf2771f8e8..f01f860b0e62 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -1343,32 +1343,25 @@ static int carm_init_disk(struct carm_host *host, unsigned int port_no) { struct carm_port *port = &host->port[port_no]; struct gendisk *disk; - struct request_queue *q; port->host = host; port->port_no = port_no; - disk = alloc_disk(CARM_MINORS_PER_MAJOR); - if (!disk) - return -ENOMEM; + disk = blk_mq_alloc_disk(&host->tag_set, port); + if (IS_ERR(disk)) + return PTR_ERR(disk); port->disk = disk; sprintf(disk->disk_name, DRV_NAME "/%u", (unsigned int)host->id * CARM_MAX_PORTS + port_no); disk->major = host->major; disk->first_minor = port_no * CARM_MINORS_PER_MAJOR; + disk->minors = CARM_MINORS_PER_MAJOR; disk->fops = &carm_bd_ops; disk->private_data = port; - q = blk_mq_init_queue(&host->tag_set); - if (IS_ERR(q)) - return PTR_ERR(q); - - blk_queue_max_segments(q, CARM_MAX_REQ_SG); - blk_queue_segment_boundary(q, CARM_SG_BOUNDARY); - - q->queuedata = port; - disk->queue = q; + blk_queue_max_segments(disk->queue, CARM_MAX_REQ_SG); + blk_queue_segment_boundary(disk->queue, CARM_SG_BOUNDARY); return 0; } @@ -1382,9 +1375,7 @@ static void carm_free_disk(struct carm_host *host, unsigned int port_no) if (disk->flags & GENHD_FL_UP) del_gendisk(disk); - if (disk->queue) - blk_cleanup_queue(disk->queue); - put_disk(disk); + blk_cleanup_disk(disk); } static int carm_init_shm(struct carm_host *host) |