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blk-mq: Pass driver tags to blk_mq_clear_rq_mapping() 

Function blk_mq_clear_rq_mapping() will be used for shared sbitmap tags
in future, so pass a driver tags pointer instead of the tagset container
and HW queue index.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/1633429419-228500-8-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
John Garry 2021-10-05 18:23:32 +08:00 committed by Jens Axboe
parent 1820f4f0a5
commit f32e4eafaf
1 changed files with 7 additions and 5 deletions
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12
block/blk-mq.c
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@ -2311,10 +2311,9 @@ static size_t order_to_size(unsigned int order)
}
/* called before freeing request pool in @tags */
static void blk_mq_clear_rq_mapping(struct blk_mq_tag_set *set,
struct blk_mq_tags *tags, unsigned int hctx_idx)
static void blk_mq_clear_rq_mapping(struct blk_mq_tags *drv_tags,
struct blk_mq_tags *tags)
{
struct blk_mq_tags *drv_tags = set->tags[hctx_idx];
struct page *page;
unsigned long flags;
@ -2323,7 +2322,7 @@ static void blk_mq_clear_rq_mapping(struct blk_mq_tag_set *set,
unsigned long end = start + order_to_size(page->private);
int i;
for (i = 0; i < set->queue_depth; i++) {
for (i = 0; i < drv_tags->nr_tags; i++) {
struct request *rq = drv_tags->rqs[i];
unsigned long rq_addr = (unsigned long)rq;
@ -2347,8 +2346,11 @@ static void blk_mq_clear_rq_mapping(struct blk_mq_tag_set *set,
void blk_mq_free_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
unsigned int hctx_idx)
{
struct blk_mq_tags *drv_tags;
struct page *page;
drv_tags = set->tags[hctx_idx];
if (tags->static_rqs && set->ops->exit_request) {
int i;
@ -2362,7 +2364,7 @@ void blk_mq_free_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
}
}
blk_mq_clear_rq_mapping(set, tags, hctx_idx);
blk_mq_clear_rq_mapping(drv_tags, tags);
while (!list_empty(&tags->page_list)) {
page = list_first_entry(&tags->page_list, struct page, lru);