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blkcg: delete unused APIs

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Nobody uses the APIs right now.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Shaohua Li 2017-09-14 14:02:05 -07:00 • committed by Jens Axboe
parent 05e3db95eb
commit af551fb3be
3 changed files with 0 additions and 45 deletions
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12
include/linux/blk-cgroup.h
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@ -235,12 +235,6 @@ static inline struct blkcg *bio_blkcg(struct bio *bio)
return task_blkcg(current);
}
static inline struct cgroup_subsys_state *
task_get_blkcg_css(struct task_struct *task)
{
return task_get_css(task, io_cgrp_id);
}
/**
* blkcg_parent - get the parent of a blkcg
* @blkcg: blkcg of interest
@ -735,12 +729,6 @@ struct blkcg_policy {
#define blkcg_root_css ((struct cgroup_subsys_state *)ERR_PTR(-EINVAL))
static inline struct cgroup_subsys_state *
task_get_blkcg_css(struct task_struct *task)
{
return NULL;
}
#ifdef CONFIG_BLOCK
static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, void *key) { return NULL; }