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cgroup: s/cgroup_subsys_state/cgroup_css/ s/task_subsys_state/task_css/

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The names of the two struct cgroup_subsys_state accessors -
cgroup_subsys_state() and task_subsys_state() - are somewhat awkward.
The former clashes with the type name and the latter doesn't even
indicate it's somehow related to cgroup.

We're about to revamp large portion of cgroup API, so, let's rename
them so that they're less awkward.  Most per-controller usages of the
accessors are localized in accessor wrappers and given the amount of
scheduled changes, this isn't gonna add any noticeable headache.

Rename cgroup_subsys_state() to cgroup_css() and task_subsys_state()
to task_css().  This patch is pure rename.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
This commit is contained in:
Tejun Heo
2013-08-08 20:11:22 -04:00
parent 61584e3f49
commit 8af01f56a0
18 changed files with 52 additions and 49 deletions
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6
mm/hugetlb_cgroup.c
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@ -42,15 +42,13 @@ struct hugetlb_cgroup *hugetlb_cgroup_from_css(struct cgroup_subsys_state *s)
static inline
struct hugetlb_cgroup *hugetlb_cgroup_from_cgroup(struct cgroup *cgroup)
{
return hugetlb_cgroup_from_css(cgroup_subsys_state(cgroup,
hugetlb_subsys_id));
return hugetlb_cgroup_from_css(cgroup_css(cgroup, hugetlb_subsys_id));
}
static inline
struct hugetlb_cgroup *hugetlb_cgroup_from_task(struct task_struct *task)
{
return hugetlb_cgroup_from_css(task_subsys_state(task,
hugetlb_subsys_id));
return hugetlb_cgroup_from_css(task_css(task, hugetlb_subsys_id));
}
static inline bool hugetlb_cgroup_is_root(struct hugetlb_cgroup *h_cg)