From: Christoph Hellwig Date: Mon, 14 Jun 2021 06:03:43 +0000 (+0200) Subject: mtip32xx: use blk_mq_alloc_disk and blk_cleanup_disk X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=cc25592caa5dfbb3ae17ef616a8c8f2e910ae549;p=kernel.git mtip32xx: 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 Link: https://lore.kernel.org/r/20210614060343.3965416-3-hch@lst.de Signed-off-by: Jens Axboe --- diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index d5ff593e6658f..901855717cb53 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3548,35 +3548,6 @@ static int mtip_block_initialize(struct driver_data *dd) goto protocol_init_error; } - dd->disk = alloc_disk_node(MTIP_MAX_MINORS, dd->numa_node); - if (dd->disk == NULL) { - dev_err(&dd->pdev->dev, - "Unable to allocate gendisk structure\n"); - rv = -EINVAL; - goto alloc_disk_error; - } - - rv = ida_alloc(&rssd_index_ida, GFP_KERNEL); - if (rv < 0) - goto ida_get_error; - index = rv; - - rv = rssd_disk_name_format("rssd", - index, - dd->disk->disk_name, - DISK_NAME_LEN); - if (rv) - goto disk_index_error; - - dd->disk->major = dd->major; - dd->disk->first_minor = index * MTIP_MAX_MINORS; - dd->disk->minors = MTIP_MAX_MINORS; - dd->disk->fops = &mtip_block_ops; - dd->disk->private_data = dd; - dd->index = index; - - mtip_hw_debugfs_init(dd); - memset(&dd->tags, 0, sizeof(dd->tags)); dd->tags.ops = &mtip_mq_ops; dd->tags.nr_hw_queues = 1; @@ -3595,17 +3566,35 @@ static int mtip_block_initialize(struct driver_data *dd) goto block_queue_alloc_tag_error; } - /* Allocate the request queue. */ - dd->queue = blk_mq_init_queue(&dd->tags); - if (IS_ERR(dd->queue)) { + dd->disk = blk_mq_alloc_disk(&dd->tags, dd); + if (IS_ERR(dd->disk)) { dev_err(&dd->pdev->dev, "Unable to allocate request queue\n"); rv = -ENOMEM; goto block_queue_alloc_init_error; } + dd->queue = dd->disk->queue; - dd->disk->queue = dd->queue; - dd->queue->queuedata = dd; + rv = ida_alloc(&rssd_index_ida, GFP_KERNEL); + if (rv < 0) + goto ida_get_error; + index = rv; + + rv = rssd_disk_name_format("rssd", + index, + dd->disk->disk_name, + DISK_NAME_LEN); + if (rv) + goto disk_index_error; + + dd->disk->major = dd->major; + dd->disk->first_minor = index * MTIP_MAX_MINORS; + dd->disk->minors = MTIP_MAX_MINORS; + dd->disk->fops = &mtip_block_ops; + dd->disk->private_data = dd; + dd->index = index; + + mtip_hw_debugfs_init(dd); skip_create_disk: /* Initialize the protocol layer. */ @@ -3671,23 +3660,17 @@ start_service_thread: kthread_run_error: /* Delete our gendisk. This also removes the device from /dev */ del_gendisk(dd->disk); - read_capacity_error: init_hw_cmds_error: - blk_cleanup_queue(dd->queue); -block_queue_alloc_init_error: - blk_mq_free_tag_set(&dd->tags); -block_queue_alloc_tag_error: mtip_hw_debugfs_exit(dd); disk_index_error: ida_free(&rssd_index_ida, index); - ida_get_error: - put_disk(dd->disk); - -alloc_disk_error: + blk_cleanup_disk(dd->disk); +block_queue_alloc_init_error: + blk_mq_free_tag_set(&dd->tags); +block_queue_alloc_tag_error: mtip_hw_exit(dd); /* De-initialize the protocol layer. */ - protocol_init_error: return rv; }