From: Christoph Hellwig <hch@lst.de>
Date: Wed, 20 Apr 2022 06:27:18 +0200
Subject: [PATCH] blk-cgroup: remove pointless CONFIG_BLOCK ifdefs
Git-commit: 7f20ba7c42fd899557cef7d001f48711c3066ba5
Patch-mainline: v5.19-rc1
References: jsc#PED-1183

No need to make BLK_CGROUP stubs conditional on CONFIG_BLOCK as they
can't be used without that.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220420042723.1010598-11-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 block/blk-cgroup.h         | 3 ---
 include/linux/blk-cgroup.h | 4 ----
 2 files changed, 7 deletions(-)

diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 03405ddf2a7b..a948f4eb0bff 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -525,8 +525,6 @@ struct blkcg_policy {
 struct blkcg {
 };
 
-#ifdef CONFIG_BLOCK
-
 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; }
@@ -554,7 +552,6 @@ static inline bool blk_cgroup_mergeable(struct request *rq, struct bio *bio) { r
 #define blk_queue_for_each_rl(rl, q)	\
 	for ((rl) = &(q)->root_rl; (rl); (rl) = NULL)
 
-#endif	/* CONFIG_BLOCK */
 #endif	/* CONFIG_BLK_CGROUP */
 
 #endif /* _BLK_CGROUP_PRIVATE_H */
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 97c7968e3204..abbfa97d6d46 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -44,15 +44,11 @@ struct cgroup_subsys_state *bio_blkcg_css(struct bio *bio);
 
 static inline void blkcg_maybe_throttle_current(void) { }
 static inline bool blk_cgroup_congested(void) { return false; }
-
-#ifdef CONFIG_BLOCK
 static inline void blkcg_schedule_throttle(struct request_queue *q, bool use_memdelay) { }
 static inline struct cgroup_subsys_state *bio_blkcg_css(struct bio *bio)
 {
 	return NULL;
 }
-#endif /* CONFIG_BLOCK */
-
 #endif	/* CONFIG_BLK_CGROUP */
 
 int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len);
-- 
2.35.3