blk-mq: Always use blk_mq_is_sbitmap_shared

mainline inclusion
from mainline-v5.13-rc1
commit 39aa56db
category: performance
bugzilla: 186917, https://gitee.com/openeuler/kernel/issues/I5N1S5
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39aa56db50b9ca5cad597e561b4b160b6cbbb65b

--------------------------------
Signed-off-by: NNikolay Borisov <nborisov@suse.com>
Reviewed-by: NJohannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: NHannes Reinecke <hare@suse.de>
Reviewed-by: NHimanshu Madhani <himanshu.madhani@oracle.com>
Link: https://lore.kernel.org/r/20210311081713.2763171-1-nborisov@suse.comSigned-off-by: NJens Axboe <axboe@kernel.dk>
Signed-off-by: NYu Kuai <yukuai3@huawei.com>
Reviewed-by: NYu Kuai <yukuai3@huawei.com>
Reviewed-by: NJason Yan <yanaijie@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

block/blk-mq-tag.c

@@ -624,7 +624,7 @@ struct blk_mq_tags *blk_mq_init_tags(unsigned int total_tags,
 	tags->nr_reserved_tags = reserved_tags;
 	spin_lock_init(&tags->lock);
 
-	if (flags & BLK_MQ_F_TAG_HCTX_SHARED)
+	if (blk_mq_is_sbitmap_shared(flags))
 		return tags;
 
 	if (blk_mq_init_bitmap_tags(tags, node, alloc_policy) < 0) {
@@ -636,7 +636,7 @@ struct blk_mq_tags *blk_mq_init_tags(unsigned int total_tags,
 
 void blk_mq_free_tags(struct blk_mq_tags *tags, unsigned int flags)
 {
-	if (!(flags & BLK_MQ_F_TAG_HCTX_SHARED)) {
+	if (!blk_mq_is_sbitmap_shared(flags)) {
 		sbitmap_queue_free(tags->bitmap_tags);
 		sbitmap_queue_free(tags->breserved_tags);
 	}