blkcg: inline bio_blkcg() and friends

Make bio_blkcg() and friends inline.  They all are very simple and
used only in few places.

This patch is to prepare for further updates to request allocation
path.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 0 insertions, 21 deletions

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 96248d2578db..63b31ebae6e2 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -31,27 +31,6 @@ EXPORT_SYMBOL_GPL(blkcg_root);
 
 static struct blkcg_policy *blkcg_policy[BLKCG_MAX_POLS];
 
-struct blkcg *cgroup_to_blkcg(struct cgroup *cgroup)
-{
-        return container_of(cgroup_subsys_state(cgroup, blkio_subsys_id),
-                            struct blkcg, css);
-}
-EXPORT_SYMBOL_GPL(cgroup_to_blkcg);
-
-static struct blkcg *task_blkcg(struct task_struct *tsk)
-{
-        return container_of(task_subsys_state(tsk, blkio_subsys_id),
-                            struct blkcg, css);
-}
-
-struct blkcg *bio_blkcg(struct bio *bio)
-{
-        if (bio && bio->bi_css)
-                return container_of(bio->bi_css, struct blkcg, css);
-        return task_blkcg(current);
-}
-EXPORT_SYMBOL_GPL(bio_blkcg);
-
 static bool blkcg_policy_enabled(struct request_queue *q,
                                  const struct blkcg_policy *pol)
 {