[PATCH v3 0/6] blk-mq-tag: remove bt_for_each()

[chengming.zhou@linux.dev]

From: Chengming Zhou <zhouchengming@bytedance.com>

Changes in v3:
  - Document the argument 'q' in the patch which add it.
  - Add Fixes tag and Reviewed-by tags.

Changes in v2:
  - Split by one change per patch and add Fixes tag.
  - Improve commit messages, suggested by Bart Van Assche.

There are two almost identical mechanisms in blk-mq-tag to iterate over
requests of one tags: bt_for_each() and the newer bt_tags_for_each().

This series aim to add support of queue filter in bt_tags_for_each()
then remove bt_for_each(). Fix and update documentation as we're here.

Thanks for review!

Chengming Zhou (6):
  blk-mq-tag: support queue filter in bt_tags_iter()
  blk-mq-tag: introduce __blk_mq_tagset_busy_iter()
  blk-mq-tag: remove bt_for_each()
  blk-mq: delete superfluous check in iterate callback
  blk-mq-tag: fix functions documentation
  blk-mq-tag: fix blk_mq_queue_tag_busy_iter() documentation

 block/blk-mq-tag.c | 176 ++++++++++++---------------------------------
 block/blk-mq.c     |  12 ++--
 2 files changed, 49 insertions(+), 139 deletions(-)

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2.41.0