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authorTejun Heo <tj@kernel.org>2014-07-15 11:05:09 -0400
committerTejun Heo <tj@kernel.org>2014-07-15 11:05:09 -0400
commit5577964e64692e17cc498854b7e0833e6532cd64 (patch)
tree92474a4bf3de98268a3af979130a88e934ea7345 /include
parenta14c6874be09a05a48093df8df87ca021f310332 (diff)
cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes
Currently, cgroup_subsys->base_cftypes is used for both the unified default hierarchy and legacy ones and subsystems can mark each file with either CFTYPE_ONLY_ON_DFL or CFTYPE_INSANE if it has to appear only on one of them. This is quite hairy and error-prone. Also, we may end up exposing interface files to the default hierarchy without thinking it through. cgroup_subsys will grow two separate cftype arrays and apply each only on the hierarchies of the matching type. This will allow organizing cftypes in a lot clearer way and encourage subsystems to scrutinize the interface which is being exposed in the new default hierarchy. In preparation, this patch renames cgroup_subsys->base_cftypes to cgroup_subsys->legacy_cftypes. This patch is pure rename. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Li Zefan <lizefan@huawei.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Aristeu Rozanski <aris@redhat.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/cgroup.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 7bb274487c89..a6e9c2eeab89 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -672,7 +672,7 @@ struct cgroup_subsys {
struct list_head cfts;
/* base cftypes, automatically registered with subsys itself */
- struct cftype *base_cftypes;
+ struct cftype *legacy_cftypes; /* used on the legacy hierarchies */
/*
* A subsystem may depend on other subsystems. When such subsystem