On 2023/8/22 03:58, Bart Van Assche wrote: > On 8/21/23 00:35, chengming.zhou@xxxxxxxxx wrote: >> @@ -417,7 +425,23 @@ static void __blk_mq_all_tag_iter(struct blk_mq_tags *tags, >> void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn, >> void *priv) >> { >> - __blk_mq_all_tag_iter(tags, fn, priv, BT_TAG_ITER_STATIC_RQS); >> + __blk_mq_all_tag_iter(tags, fn, priv, BT_TAG_ITER_STATIC_RQS, NULL); >> +} >> + >> +static void __blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset, >> + busy_tag_iter_fn *fn, void *priv, >> + struct request_queue *q) >> +{ >> + unsigned int flags = tagset->flags; >> + int i, nr_tags; >> + >> + nr_tags = blk_mq_is_shared_tags(flags) ? 1 : tagset->nr_hw_queues; >> + >> + for (i = 0; i < nr_tags; i++) { >> + if (tagset->tags && tagset->tags[i]) >> + __blk_mq_all_tag_iter(tagset->tags[i], fn, priv, >> + BT_TAG_ITER_STARTED, q); >> + } >> } >> /** >> @@ -436,16 +460,7 @@ void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn, >> void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset, >> busy_tag_iter_fn *fn, void *priv) >> { >> - unsigned int flags = tagset->flags; >> - int i, nr_tags; >> - >> - nr_tags = blk_mq_is_shared_tags(flags) ? 1 : tagset->nr_hw_queues; >> - >> - for (i = 0; i < nr_tags; i++) { >> - if (tagset->tags && tagset->tags[i]) >> - __blk_mq_all_tag_iter(tagset->tags[i], fn, priv, >> - BT_TAG_ITER_STARTED); >> - } >> + __blk_mq_tagset_busy_iter(tagset, fn, priv, NULL); >> } >> EXPORT_SYMBOL(blk_mq_tagset_busy_iter); > > One change per patch please. I think the introduction of __blk_mq_tagset_busy_iter() > should be a separate patch instead of happening in this patch. > Yes, it's better. I will put it in a separate patch. Thanks.