From: Johannes Thumshirn <johannes.thumshirn@wdc.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: Tejun Heo <tj@kernel.org>,
"linux-block @ vger . kernel . org" <linux-block@vger.kernel.org>,
paolo.valente@linaro.org,
Johannes Thumshirn <johannes.thumshirn@wdc.com>,
Christoph Hellwig <hch@lst.de>
Subject: [PATCH v3 1/2] block: remove blk_queue_root_blkg
Date: Mon, 29 Jun 2020 17:26:21 +0900 [thread overview]
Message-ID: <20200629082622.37611-2-johannes.thumshirn@wdc.com> (raw)
In-Reply-To: <20200629082622.37611-1-johannes.thumshirn@wdc.com>
blk_queue_root_blkg() has no callers, remove it.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
include/linux/blk-cgroup.h | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index a57ebe2f00ab..6aa633cedfb0 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -364,17 +364,6 @@ static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg,
return __blkg_lookup(blkcg, q, false);
}
-/**
- * blk_queue_root_blkg - return blkg for the (blkcg_root, @q) pair
- * @q: request_queue of interest
- *
- * Lookup blkg for @q at the root level. See also blkg_lookup().
- */
-static inline struct blkcg_gq *blk_queue_root_blkg(struct request_queue *q)
-{
- return q->root_blkg;
-}
-
/**
* blkg_to_pdata - get policy private data
* @blkg: blkg of interest
@@ -732,8 +721,6 @@ static inline bool blk_cgroup_congested(void) { return false; }
static inline void blkcg_schedule_throttle(struct request_queue *q, bool use_memdelay) { }
static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, void *key) { return NULL; }
-static inline struct blkcg_gq *blk_queue_root_blkg(struct request_queue *q)
-{ return NULL; }
static inline int blkcg_init_queue(struct request_queue *q) { return 0; }
static inline void blkcg_exit_queue(struct request_queue *q) { }
static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }
--
2.26.2
next prev parent reply other threads:[~2020-06-29 18:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-29 8:26 [PATCH v3 0/2] block: drive-by cleanups for block cgroup Johannes Thumshirn
2020-06-29 8:26 ` Johannes Thumshirn [this message]
2020-06-29 8:26 ` [PATCH v3 2/2] block: open-code blkg_path in it's sole caller Johannes Thumshirn
2020-06-29 13:48 ` [PATCH v3 0/2] block: drive-by cleanups for block cgroup Jens Axboe
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