linux-kernel - [PATCH 06/10] blkcg: s/RQ_QOS_CGROUP/RQ_QOS

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Message-Id: <20190614015620.1587672-7-tj@kernel.org>
Date:   Thu, 13 Jun 2019 18:56:16 -0700
From:   Tejun Heo <tj@...nel.org>
To:     axboe@...nel.dk, newella@...com, clm@...com, josef@...icpanda.com,
        dennisz@...com, lizefan@...wei.com, hannes@...xchg.org
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        kernel-team@...com, cgroups@...r.kernel.org, ast@...nel.org,
        daniel@...earbox.net, kafai@...com, songliubraving@...com,
        yhs@...com, bpf@...r.kernel.org, Tejun Heo <tj@...nel.org>
Subject: [PATCH 06/10] blkcg: s/RQ_QOS_CGROUP/RQ_QOS_LATENCY/

io.weight is gonna be another rq_qos cgroup mechanism.  Let's rename
RQ_QOS_CGROUP which is being used by io.latency to RQ_QOS_LATENCY in
preparation.

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 block/blk-iolatency.c | 2 +-
 block/blk-rq-qos.h    | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index fa47a6485725..7d1dbe757063 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -744,7 +744,7 @@ int blk_iolatency_init(struct request_queue *q)
 		return -ENOMEM;
 
 	rqos = &blkiolat->rqos;
-	rqos->id = RQ_QOS_CGROUP;
+	rqos->id = RQ_QOS_LATENCY;
 	rqos->ops = &blkcg_iolatency_ops;
 	rqos->q = q;
 
diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h
index e15b6907b76d..5f8b75826a98 100644
--- a/block/blk-rq-qos.h
+++ b/block/blk-rq-qos.h
@@ -14,7 +14,7 @@ struct blk_mq_debugfs_attr;
 
 enum rq_qos_id {
 	RQ_QOS_WBT,
-	RQ_QOS_CGROUP,
+	RQ_QOS_LATENCY,
 };
 
 struct rq_wait {
@@ -74,7 +74,7 @@ static inline struct rq_qos *wbt_rq_qos(struct request_queue *q)
 
 static inline struct rq_qos *blkcg_rq_qos(struct request_queue *q)
 {
-	return rq_qos_id(q, RQ_QOS_CGROUP);
+	return rq_qos_id(q, RQ_QOS_LATENCY);
 }
 
 static inline const char *rq_qos_id_to_name(enum rq_qos_id id)
@@ -82,8 +82,8 @@ static inline const char *rq_qos_id_to_name(enum rq_qos_id id)
 	switch (id) {
 	case RQ_QOS_WBT:
 		return "wbt";
-	case RQ_QOS_CGROUP:
-		return "cgroup";
+	case RQ_QOS_LATENCY:
+		return "latency";
 	}
 	return "unknown";
 }
-- 
2.17.1