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authorChristoph Hellwig <hch@lst.de>2021-05-21 08:51:06 +0300
committerJens Axboe <axboe@kernel.dk>2021-06-01 16:42:23 +0300
commitd4e4e5835f29fa1a1dcdecc5bea125050274d0f6 (patch)
tree39ac52a56e81022862e8c1a13e417cb1d3cfd1d3 /drivers/nvdimm
parent6c552ceabf39797fba1d3088af9481511f02393f (diff)
downloadlinux-d4e4e5835f29fa1a1dcdecc5bea125050274d0f6.tar.xz
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.c24
-rw-r--r--drivers/nvdimm/btt.h2
2 files changed, 7 insertions, 19 deletions
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 1741a7b0b30f..92dec4952297 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 aa53e0b769bd..0c76c0333f6e 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;