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| author |   John Garry <john.garry@huawei.com> | 2021-05-13 20:00:57 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-05-24 06:47:22 -0600 |
| commit | 56b68085e536eff2676108f2f8356889a7dbbf55 (patch) | |
| tree | 25c19953b9d01908ba2a15253d34efdae66e5b57 /block/blk-mq-tag.h | |
| parent | blk-mq: clearing flush request reference in tags->rqs[] (diff) | |
| download | linux-dev-56b68085e536eff2676108f2f8356889a7dbbf55.tar.xz linux-dev-56b68085e536eff2676108f2f8356889a7dbbf55.zip | |
blk-mq: Some tag allocation code refactoring
The tag allocation code to alloc the sbitmap pairs is common for regular
bitmaps tags and shared sbitmap, so refactor into a common function.
Also remove superfluous "flags" argument from blk_mq_init_shared_sbitmap().
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/1620907258-30910-2-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-tag.h')
| -rw-r--r-- | block/blk-mq-tag.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index f887988e5ef6..8ed55af08427 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -32,11 +32,14 @@ extern struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags, unsigned int reserved_tags, int node, unsigned int flags); extern void blk_mq_free_tags(struct blk_mq_tags *tags, unsigned int flags); +extern int blk_mq_init_bitmaps(struct sbitmap_queue *bitmap_tags, + struct sbitmap_queue *breserved_tags, + unsigned int queue_depth, + unsigned int reserved, + int node, int alloc_policy); -extern int blk_mq_init_shared_sbitmap(struct blk_mq_tag_set *set, - unsigned int flags); +extern int blk_mq_init_shared_sbitmap(struct blk_mq_tag_set *set); extern void blk_mq_exit_shared_sbitmap(struct blk_mq_tag_set *set); - extern unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data); extern void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx, unsigned int tag); |