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| author | John Garry <john.garry@huawei.com> | 2021-10-05 18:23:34 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 06:17:02 -0600 |
| commit | a7e7388dced47a10ca13ae95ca975ea2830f196b (patch) | |
| tree | 88a38c33c253aa4947d64a25e3632f15db3d9f59 /block/blk-mq-tag.c | |
| parent | 4f245d5bf0f7432c881e22a77066160a6cba8e03 (diff) | |
| download | linux-stable-a7e7388dced47a10ca13ae95ca975ea2830f196b.tar.gz linux-stable-a7e7388dced47a10ca13ae95ca975ea2830f196b.tar.bz2 linux-stable-a7e7388dced47a10ca13ae95ca975ea2830f196b.zip | |
blk-mq: Add blk_mq_tag_update_sched_shared_sbitmap()
Put the functionality to update the sched shared sbitmap size in a common
function.
Since the same formula is always used to resize, and it can be got from
the request queue argument, so just pass the request queue pointer.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/1633429419-228500-10-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-tag.c')
| -rw-r--r-- | block/blk-mq-tag.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index ff5caeb82542..55b5a226dcc0 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -634,6 +634,12 @@ void blk_mq_tag_resize_shared_sbitmap(struct blk_mq_tag_set *set, unsigned int s sbitmap_queue_resize(&set->__bitmap_tags, size - set->reserved_tags); } +void blk_mq_tag_update_sched_shared_sbitmap(struct request_queue *q) +{ + sbitmap_queue_resize(&q->sched_bitmap_tags, + q->nr_requests - q->tag_set->reserved_tags); +} + /** * blk_mq_unique_tag() - return a tag that is unique queue-wide * @rq: request for which to compute a unique tag |