[PATCH 12/15] blk-cgroup: move blkcg_css to blk-cgroup.c

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blkcg_css is only used in blk-cgroup.c, so move it there.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 block/blk-cgroup.c | 17 +++++++++++++++++
 block/blk-cgroup.h | 17 -----------------
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 8e32cc494808d..8da00ddc1766e 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -59,6 +59,23 @@ static struct workqueue_struct *blkcg_punt_bio_wq;
 
 #define BLKG_DESTROY_BATCH_SIZE  64
 
+/**
+ * blkcg_css - find the current css
+ *
+ * Find the css associated with either the kthread or the current task.
+ * This may return a dying css, so it is up to the caller to use tryget logic
+ * to confirm it is alive and well.
+ */
+static struct cgroup_subsys_state *blkcg_css(void)
+{
+	struct cgroup_subsys_state *css;
+
+	css = kthread_blkcg();
+	if (css)
+		return css;
+	return task_css(current, io_cgrp_id);
+}
+
 static bool blkcg_policy_enabled(struct request_queue *q,
 				 const struct blkcg_policy *pol)
 {
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 62ed8ed50b6e3..bb670e53a1de2 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -210,23 +210,6 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
 		   char *input, struct blkg_conf_ctx *ctx);
 void blkg_conf_finish(struct blkg_conf_ctx *ctx);
 
-/**
- * blkcg_css - find the current css
- *
- * Find the css associated with either the kthread or the current task.
- * This may return a dying css, so it is up to the caller to use tryget logic
- * to confirm it is alive and well.
- */
-static inline struct cgroup_subsys_state *blkcg_css(void)
-{
-	struct cgroup_subsys_state *css;
-
-	css = kthread_blkcg();
-	if (css)
-		return css;
-	return task_css(current, io_cgrp_id);
-}
-
 /**
  * bio_issue_as_root_blkg - see if this bio needs to be issued as root blkg
  * @return: true if this bio needs to be submitted with the root blkg context.
-- 
2.30.2




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