diff mbox series

[v4,4/8] block, bfq: use helper macro RQ_BFQQ to get bfqq of request

Message ID 20230116095153.3810101-5-shikemeng@huaweicloud.com (mailing list archive)
State New, archived
Headers show
Series A few bugfix and cleancode patch for bfq | expand

Commit Message

Kemeng Shi Jan. 16, 2023, 9:51 a.m. UTC 
Use helper macro RQ_BFQQ to get bfqq of request.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Jan Kara <jack@suse.cz>
---
 block/bfq-iosched.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 698c5918ad10..6f38a0130034 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -6859,14 +6859,14 @@  static struct bfq_queue *bfq_init_rq(struct request *rq)
 		return NULL;
 
 	/*
-	 * Assuming that elv.priv[1] is set only if everything is set
+	 * Assuming that RQ_BFQQ(rq) is set only if everything is set
 	 * for this rq. This holds true, because this function is
 	 * invoked only for insertion or merging, and, after such
 	 * events, a request cannot be manipulated any longer before
 	 * being removed from bfq.
 	 */
-	if (rq->elv.priv[1])
-		return rq->elv.priv[1];
+	if (RQ_BFQQ(rq))
+		return RQ_BFQQ(rq);
 
 	bic = icq_to_bic(rq->elv.icq);