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cgroup: relocate cftype and cgroup_subsys definitions in controllers

Browse source 
blk-cgroup, netprio_cgroup, cls_cgroup and tcp_memcontrol
unnecessarily define cftype array and cgroup_subsys structures at the
top of the file, which is unconventional and necessiates forward
declaration of methods.

This patch relocates those below the definitions of the methods and
removes the forward declarations.  Note that forward declaration of
tcp_files[] is added in tcp_memcontrol.c for tcp_init_cgroup().  This
will be removed soon by another patch.

This patch doesn't introduce any functional change.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
This commit is contained in:
Tejun Heo 2012-04-01 12:09:55 -07:00
parent 6e6ff25bd5
commit 676f7c8f84
4 changed files with 65 additions and 83 deletions
Download patch file Download diff file Expand all files Collapse all files

27
net/sched/cls_cgroup.c
View file

@ -22,22 +22,6 @@
#include <net/sock.h>
#include <net/cls_cgroup.h>
static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp);
static void cgrp_destroy(struct cgroup *cgrp);
static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp);
struct cgroup_subsys net_cls_subsys = {
.name = "net_cls",
.create = cgrp_create,
.destroy = cgrp_destroy,
.populate = cgrp_populate,
#ifdef CONFIG_NET_CLS_CGROUP
.subsys_id = net_cls_subsys_id,
#endif
.module = THIS_MODULE,
};
static inline struct cgroup_cls_state *cgrp_cls_state(struct cgroup *cgrp)
{
return container_of(cgroup_subsys_state(cgrp, net_cls_subsys_id),
@ -93,6 +77,17 @@ static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp)
return cgroup_add_files(cgrp, ss, ss_files, ARRAY_SIZE(ss_files));
}
struct cgroup_subsys net_cls_subsys = {
.name = "net_cls",
.create = cgrp_create,
.destroy = cgrp_destroy,
.populate = cgrp_populate,
#ifdef CONFIG_NET_CLS_CGROUP
.subsys_id = net_cls_subsys_id,
#endif
.module = THIS_MODULE,
};
struct cls_cgroup_head {
u32 handle;
struct tcf_exts exts;