diff mbox series

[1/3] block: remove blk_queue_root_blkg

Message ID 20200428164434.1517-2-johannes.thumshirn@wdc.com (mailing list archive)
State New, archived
Headers show
Series block: drive-by cleanups for block cgroup | expand

Commit Message

Johannes Thumshirn April 28, 2020, 4:44 p.m. UTC 
blk_queue_root_blkg() has no callers, remove it.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
 include/linux/blk-cgroup.h | 13 -------------
 1 file changed, 13 deletions(-)

Comments

Christoph Hellwig April 29, 2020, 7:20 a.m. UTC | #1 
On Wed, Apr 29, 2020 at 01:44:32AM +0900, Johannes Thumshirn wrote:
> blk_queue_root_blkg() has no callers, remove it.
> 
> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 35f8ffe92b70..333885133b1f 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
@@ -707,8 +696,6 @@  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; }