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| author | Christoph Hellwig <hch@lst.de> | 2021-05-21 07:51:06 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-01 07:42:23 -0600 |
| commit | d4e4e5835f29fa1a1dcdecc5bea125050274d0f6 (patch) | |
| tree | 39ac52a56e81022862e8c1a13e417cb1d3cfd1d3 /drivers/nvdimm | |
| parent | 6c552ceabf39797fba1d3088af9481511f02393f (diff) | |
| download | linux-d4e4e5835f29fa1a1dcdecc5bea125050274d0f6.tar.gz | |
nvdimm-btt: convert to blk_alloc_disk/blk_cleanup_disk
Convert the nvdimm-btt driver to use the blk_alloc_disk and
blk_cleanup_disk helpers to simplify gendisk and request_queue
allocation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210521055116.1053587-17-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvdimm')
| -rw-r--r-- | drivers/nvdimm/btt.c | 24 | ||||
| -rw-r--r-- | drivers/nvdimm/btt.h | 2 |
2 files changed, 7 insertions, 19 deletions
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 1741a7b0b30f6..92dec49522972 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1521,34 +1521,25 @@ static int btt_blk_init(struct btt *btt) struct nd_btt *nd_btt = btt->nd_btt; struct nd_namespace_common *ndns = nd_btt->ndns; - /* create a new disk and request queue for btt */ - btt->btt_queue = blk_alloc_queue(NUMA_NO_NODE); - if (!btt->btt_queue) + btt->btt_disk = blk_alloc_disk(NUMA_NO_NODE); + if (!btt->btt_disk) return -ENOMEM; - btt->btt_disk = alloc_disk(0); - if (!btt->btt_disk) { - blk_cleanup_queue(btt->btt_queue); - return -ENOMEM; - } - nvdimm_namespace_disk_name(ndns, btt->btt_disk->disk_name); btt->btt_disk->first_minor = 0; btt->btt_disk->fops = &btt_fops; btt->btt_disk->private_data = btt; - btt->btt_disk->queue = btt->btt_queue; - blk_queue_logical_block_size(btt->btt_queue, btt->sector_size); - blk_queue_max_hw_sectors(btt->btt_queue, UINT_MAX); - blk_queue_flag_set(QUEUE_FLAG_NONROT, btt->btt_queue); + blk_queue_logical_block_size(btt->btt_disk->queue, btt->sector_size); + blk_queue_max_hw_sectors(btt->btt_disk->queue, UINT_MAX); + blk_queue_flag_set(QUEUE_FLAG_NONROT, btt->btt_disk->queue); if (btt_meta_size(btt)) { int rc = nd_integrity_init(btt->btt_disk, btt_meta_size(btt)); if (rc) { del_gendisk(btt->btt_disk); - put_disk(btt->btt_disk); - blk_cleanup_queue(btt->btt_queue); + blk_cleanup_disk(btt->btt_disk); return rc; } } @@ -1563,8 +1554,7 @@ static int btt_blk_init(struct btt *btt) static void btt_blk_cleanup(struct btt *btt) { del_gendisk(btt->btt_disk); - put_disk(btt->btt_disk); - blk_cleanup_queue(btt->btt_queue); + blk_cleanup_disk(btt->btt_disk); } /** diff --git a/drivers/nvdimm/btt.h b/drivers/nvdimm/btt.h index aa53e0b769bd3..0c76c0333f6e8 100644 --- a/drivers/nvdimm/btt.h +++ b/drivers/nvdimm/btt.h @@ -201,7 +201,6 @@ struct badblocks; /** * struct btt - handle for a BTT instance * @btt_disk: Pointer to the gendisk for BTT device - * @btt_queue: Pointer to the request queue for the BTT device * @arena_list: Head of the list of arenas * @debugfs_dir: Debugfs dentry * @nd_btt: Parent nd_btt struct @@ -219,7 +218,6 @@ struct badblocks; */ struct btt { struct gendisk *btt_disk; - struct request_queue *btt_queue; struct list_head arena_list; struct dentry *debugfs_dir; struct nd_btt *nd_btt; |