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-rw-r--r--block/blk-cgroup.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 96248d2..63b31eb 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)
{
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