[PATCH v2 6/6] blk-mq-tag: fix blk_mq_queue_tag_busy_iter() documentation

[chengming . zhou]

From: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>

The blk_mq_queue_tag_busy_iter() is only used to iterate over reqeusts
of the specified queue, fix the documentation. And add documentation
for the new added parameter @q.

Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
---
 block/blk-mq-tag.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 087ea6b232f6..69b156750559 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -312,6 +312,7 @@ static bool bt_tags_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
  *		tags, false to stop.
  * @data:	Will be passed as second argument to @fn.
  * @flags:	BT_TAG_ITER_*
+ * @q:		Only iterate over requests of this queue.
  */
 static void bt_tags_for_each(struct blk_mq_tags *tags, struct sbitmap_queue *bt,
 			     busy_tag_iter_fn *fn, void *data, unsigned int flags,
@@ -432,8 +433,7 @@ EXPORT_SYMBOL(blk_mq_tagset_wait_completed_request);
  * @priv:	Will be passed as second argument to @fn.
  *
  * Note: if @q->tag_set is shared with other request queues then @fn will be
- * called for all requests on all queues that share that tag set and not only
- * for requests associated with @q.
+ * called only for requests associated with @q.
  */
 void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_tag_iter_fn *fn,
 		void *priv)
-- 
2.41.0