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| author | Christoph Hellwig <hch@lst.de> | 2021-06-02 09:53:38 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-11 11:54:42 -0600 |
| commit | 2c6ee0ae5fc7aed7b3309e725104ea60da2cc9c9 (patch) | |
| tree | f3fe6e000b300f64b5bd3712530d3b75300e9db8 /drivers/block/rnbd | |
| parent | 195b1956b85baefc5049883fdcff249a8ff1911c (diff) | |
| download | linux-stable-2c6ee0ae5fc7aed7b3309e725104ea60da2cc9c9.tar.gz linux-stable-2c6ee0ae5fc7aed7b3309e725104ea60da2cc9c9.tar.bz2 linux-stable-2c6ee0ae5fc7aed7b3309e725104ea60da2cc9c9.zip | |
rnbd: 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: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210602065345.355274-24-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/rnbd')
| -rw-r--r-- | drivers/block/rnbd/rnbd-clt.c | 35 |
1 files changed, 8 insertions, 27 deletions
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index c604a402cd5c..f4fa45d24c0b 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -1353,18 +1353,6 @@ static void rnbd_init_mq_hw_queues(struct rnbd_clt_dev *dev) } } -static int setup_mq_dev(struct rnbd_clt_dev *dev) -{ - dev->queue = blk_mq_init_queue(&dev->sess->tag_set); - if (IS_ERR(dev->queue)) { - rnbd_clt_err(dev, "Initializing multiqueue queue failed, err: %ld\n", - PTR_ERR(dev->queue)); - return PTR_ERR(dev->queue); - } - rnbd_init_mq_hw_queues(dev); - return 0; -} - static void setup_request_queue(struct rnbd_clt_dev *dev) { blk_queue_logical_block_size(dev->queue, dev->logical_block_size); @@ -1393,13 +1381,13 @@ static void setup_request_queue(struct rnbd_clt_dev *dev) blk_queue_io_opt(dev->queue, dev->sess->max_io_size); blk_queue_virt_boundary(dev->queue, SZ_4K - 1); blk_queue_write_cache(dev->queue, dev->wc, dev->fua); - dev->queue->queuedata = dev; } static void rnbd_clt_setup_gen_disk(struct rnbd_clt_dev *dev, int idx) { dev->gd->major = rnbd_client_major; dev->gd->first_minor = idx << RNBD_PART_BITS; + dev->gd->minors = 1 << RNBD_PART_BITS; dev->gd->fops = &rnbd_client_ops; dev->gd->queue = dev->queue; dev->gd->private_data = dev; @@ -1426,24 +1414,18 @@ static void rnbd_clt_setup_gen_disk(struct rnbd_clt_dev *dev, int idx) static int rnbd_client_setup_device(struct rnbd_clt_dev *dev) { - int err, idx = dev->clt_device_id; + int idx = dev->clt_device_id; dev->size = dev->nsectors * dev->logical_block_size; - err = setup_mq_dev(dev); - if (err) - return err; + dev->gd = blk_mq_alloc_disk(&dev->sess->tag_set, dev); + if (IS_ERR(dev->gd)) + return PTR_ERR(dev->gd); + dev->queue = dev->gd->queue; + rnbd_init_mq_hw_queues(dev); setup_request_queue(dev); - - dev->gd = alloc_disk_node(1 << RNBD_PART_BITS, NUMA_NO_NODE); - if (!dev->gd) { - blk_cleanup_queue(dev->queue); - return -ENOMEM; - } - rnbd_clt_setup_gen_disk(dev, idx); - return 0; } @@ -1650,8 +1632,7 @@ put_sess: static void destroy_gen_disk(struct rnbd_clt_dev *dev) { del_gendisk(dev->gd); - blk_cleanup_queue(dev->queue); - put_disk(dev->gd); + blk_cleanup_disk(dev->gd); } static void destroy_sysfs(struct rnbd_clt_dev *dev, |