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mtip32xx: use blk_mq_alloc_disk and blk_cleanup_disk

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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>
Link: https://lore.kernel.org/r/20210614060343.3965416-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-06-14 08:03:43 +02:00 committed by Jens Axboe
parent d2efa81dd8
commit cc25592caa
1 changed files with 28 additions and 45 deletions
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73
drivers/block/mtip32xx/mtip32xx.c
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@ -3548,14 +3548,33 @@ 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) {
memset(&dd->tags, 0, sizeof(dd->tags));
dd->tags.ops = &mtip_mq_ops;
dd->tags.nr_hw_queues = 1;
dd->tags.queue_depth = MTIP_MAX_COMMAND_SLOTS;
dd->tags.reserved_tags = 1;
dd->tags.cmd_size = sizeof(struct mtip_cmd);
dd->tags.numa_node = dd->numa_node;
dd->tags.flags = BLK_MQ_F_SHOULD_MERGE;
dd->tags.driver_data = dd;
dd->tags.timeout = MTIP_NCQ_CMD_TIMEOUT_MS;
rv = blk_mq_alloc_tag_set(&dd->tags);
if (rv) {
dev_err(&dd->pdev->dev,
"Unable to allocate gendisk structure\n");
rv = -EINVAL;
goto alloc_disk_error;
"Unable to allocate request queue\n");
goto block_queue_alloc_tag_error;
}
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;
rv = ida_alloc(&rssd_index_ida, GFP_KERNEL);
if (rv < 0)
goto ida_get_error;
@ -3577,36 +3596,6 @@ static int mtip_block_initialize(struct driver_data *dd)
mtip_hw_debugfs_init(dd);
memset(&dd->tags, 0, sizeof(dd->tags));
dd->tags.ops = &mtip_mq_ops;
dd->tags.nr_hw_queues = 1;
dd->tags.queue_depth = MTIP_MAX_COMMAND_SLOTS;
dd->tags.reserved_tags = 1;
dd->tags.cmd_size = sizeof(struct mtip_cmd);
dd->tags.numa_node = dd->numa_node;
dd->tags.flags = BLK_MQ_F_SHOULD_MERGE;
dd->tags.driver_data = dd;
dd->tags.timeout = MTIP_NCQ_CMD_TIMEOUT_MS;
rv = blk_mq_alloc_tag_set(&dd->tags);
if (rv) {
dev_err(&dd->pdev->dev,
"Unable to allocate request queue\n");
goto block_queue_alloc_tag_error;
}
/* Allocate the request queue. */
dd->queue = blk_mq_init_queue(&dd->tags);
if (IS_ERR(dd->queue)) {
dev_err(&dd->pdev->dev,
"Unable to allocate request queue\n");
rv = -ENOMEM;
goto block_queue_alloc_init_error;
}
dd->disk->queue = dd->queue;
dd->queue->queuedata = dd;
skip_create_disk:
/* Initialize the protocol layer. */
wait_for_rebuild = mtip_hw_get_identify(dd);
@ -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;
}