From: Christoph Hellwig <hch@lst.de>
Date: Wed, 20 Apr 2022 04:27:23 +0000 (+0200)
Subject: kthread: unexport kthread_blkcg
X-Git-Tag: v6.1-rc5~1167^2~28
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f624506f98b198e65b44da303f44974590fb16c0;p=platform%2Fkernel%2Flinux-starfive.git

kthread: unexport kthread_blkcg

kthread_blkcg is only used by the built-in blk-cgroup code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220420042723.1010598-16-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index de5d75b..30e5bec 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -222,9 +222,5 @@ void kthread_associate_blkcg(struct cgroup_subsys_state *css);
 struct cgroup_subsys_state *kthread_blkcg(void);
 #else
 static inline void kthread_associate_blkcg(struct cgroup_subsys_state *css) { }
-static inline struct cgroup_subsys_state *kthread_blkcg(void)
-{
-	return NULL;
-}
 #endif
 #endif /* _LINUX_KTHREAD_H */
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 50265f6..544fd40 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -1522,5 +1522,4 @@ struct cgroup_subsys_state *kthread_blkcg(void)
 	}
 	return NULL;
 }
-EXPORT_SYMBOL(kthread_blkcg);
 #endif