Thread (4 messages) 4 messages, 2 authors, 2020-06-29
STALE2184d REVIEWED: 4 (4M)
Revisions (3)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current

[PATCH v3 1/2] block: remove blk_queue_root_blkg

From: Johannes Thumshirn <hidden>
Date: 2020-06-29 18:48:19
Subsystem: block layer, control group - block io controller (blkio), the rest · Maintainers: Jens Axboe, Tejun Heo, Josef Bacik, Linus Torvalds

blk_queue_root_blkg() has no callers, remove it.

Signed-off-by: Johannes Thumshirn <redacted>
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
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