[PATCH 7/7] blk-mq: remove stale comment of function called for iterated request

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We call function with type "bool (busy_tag_iter_fn)(struct request *,
void *)" for each iterated request now. Remove the stale arguments
@hctx and @reserved in comment which are not needed by iterate
function.

Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
---
 block/blk-mq-tag.c | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 7f1777dc11e5..f1187c901019 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -303,9 +303,9 @@ static bool bt_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
  *		or the bitmap_tags member of struct blk_mq_tags.
  * @fn:		Pointer to the function that will be called for each request
  *		associated with @hctx that has been assigned a driver tag.
- *		@fn will be called as follows: @fn(@hctx, rq, @data, @reserved)
- *		where rq is a pointer to a request. Return true to continue
- *		iterating tags, false to stop.
+ *		@fn will be called as follows: @fn(@rq, @data) where rq is a
+ *		pointer to a request. Return true to continue iterating tags,
+ *		false to stop.
  * @data:	Will be passed as third argument to @fn.
  * @reserved:	Indicates whether @bt is the breserved_tags member or the
  *		bitmap_tags member of struct blk_mq_tags.
@@ -372,9 +372,9 @@ static bool bt_tags_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
  * @bt:		sbitmap to examine. This is either the breserved_tags member
  *		or the bitmap_tags member of struct blk_mq_tags.
  * @fn:		Pointer to the function that will be called for each started
- *		request. @fn will be called as follows: @fn(rq, @data,
- *		@reserved) where rq is a pointer to a request. Return true
- *		to continue iterating tags, false to stop.
+ *		request. @fn will be called as follows: @fn(rq, @data) where
+ *		rq is a pointer to a request. Return true to continue
+ *		iterating tags, false to stop.
  * @data:	Will be passed as second argument to @fn.
  * @flags:	BT_TAG_ITER_*
  */
@@ -407,10 +407,9 @@ static void __blk_mq_all_tag_iter(struct blk_mq_tags *tags,
  * blk_mq_all_tag_iter - iterate over all requests in a tag map
  * @tags:	Tag map to iterate over.
  * @fn:		Pointer to the function that will be called for each
- *		request. @fn will be called as follows: @fn(rq, @priv,
- *		reserved) where rq is a pointer to a request. 'reserved'
- *		indicates whether or not @rq is a reserved request. Return
- *		true to continue iterating tags, false to stop.
+ *		request. @fn will be called as follows: @fn(rq, @priv)
+ *		where rq is a pointer to a request. Return true to
+ *		continue iterating tags, false to stop.
  * @priv:	Will be passed as second argument to @fn.
  *
  * Caller has to pass the tag map from which requests are allocated.
@@ -425,10 +424,9 @@ void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn,
  * blk_mq_tagset_busy_iter - iterate over all started requests in a tag set
  * @tagset:	Tag set to iterate over.
  * @fn:		Pointer to the function that will be called for each started
- *		request. @fn will be called as follows: @fn(rq, @priv,
- *		reserved) where rq is a pointer to a request. 'reserved'
- *		indicates whether or not @rq is a reserved request. Return
- *		true to continue iterating tags, false to stop.
+ *		request. @fn will be called as follows: @fn(rq, @priv) where
+ *		rq is a pointer to a request. Return true to continue
+ *		iterating tags, false to stop.
  * @priv:	Will be passed as second argument to @fn.
  *
  * We grab one request reference before calling @fn and release it after
@@ -484,10 +482,9 @@ EXPORT_SYMBOL(blk_mq_tagset_wait_completed_request);
  * blk_mq_queue_tag_busy_iter - iterate over all requests with a driver tag
  * @q:		Request queue to examine.
  * @fn:		Pointer to the function that will be called for each request
- *		on @q. @fn will be called as follows: @fn(hctx, rq, @priv,
- *		reserved) where rq is a pointer to a request and hctx points
- *		to the hardware queue associated with the request. 'reserved'
- *		indicates whether or not @rq is a reserved request.
+ *		on @q. @fn will be called as follows: @fn(rq, @priv) where
+ *		rq is a pointer to a request. Return true to continue
+ *		iterating tags, false to stop.
  * @priv:	Will be passed as third argument to @fn.
  *
  * Note: if @q->tag_set is shared with other request queues then @fn will be
-- 
2.30.0




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