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authorChristoph Hellwig <hch@lst.de>2021-06-14 08:03:43 +0200
committerJens Axboe <axboe@kernel.dk>2021-06-30 15:34:04 -0600
commitcc25592caa5dfbb3ae17ef616a8c8f2e910ae549 (patch)
tree68702df299f134bdfe6966ff312326d7175e7b8a /drivers/block/mtip32xx
parentd2efa81dd8ba50b800accb3ef2b73474e5af9648 (diff)
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 <hch@lst.de> Link: https://lore.kernel.org/r/20210614060343.3965416-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/mtip32xx')
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c71
1 files changed, 27 insertions, 44 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index d5ff593e6658..901855717cb5 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;
}