于 2014/7/14 23:44, Tejun Heo 写道:
> Hello,
>
> This is v2 of dfl_files patchset. Changes from the last version [1]
> are
>
> * Rebased on top of cgroup/for-3.17.
>
> * 0004 updated so that CFTYPE_ONLY_ON_DFL and CFTYPE_INSANE are
> cleared when cfts are removed as suggested by Li.
>
> Until now, cftype arrays carried files for both the default and legacy
> hierarchies and the files which needed to be used on only one of them
> were flagged with either CFTYPE_ONLY_ON_DFL or CFTYPE_INSANE. This
> gets confusing very quickly and we may end up exposing interface files
> to the default hierarchy without thinking it through.
>
> This patchset makes cgroup core provide separate sets of interfaces
> for cftype handling so that the cftypes for the default and legacy
> hierarchies are clearly distinguished. This makes all the existing
> subsystem interface files legacy-only by default and all subsystems
> will have no interface file created when enabled on the default
> hierarchy. Each subsystem should explicitly review and compose the
> interface for the default hierarchy.
>
> This patchset contains the following six patches.
>
> 0001-cgroup-split-cgroup_base_files-into-cgroup_-dfl-lega.patch
> 0002-cgroup-rename-cgroup_subsys-base_cftypes-to-legacy_c.patch
> 0003-cgroup-replace-cgroup_add_cftypes-with-cgroup_add_le.patch
> 0004-cgroup-distinguish-the-default-and-legacy-hierarchie.patch
> 0005-cgroup-make-CFTYPE_ONLY_ON_DFL-and-CFTYPE_NO_-intern.patch
> 0006-cgroup-initialize-cgrp_dfl_root_inhibit_ss_mask-from.patch
>
> This patchset is on top of afd1a8b3e0bc ("cpuset: export effective
> masks to userspace")
>
> and available in the following git branch.
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-dfl_files-v2
>
> diffstat follows. Thanks.
>
> Documentation/cgroups/unified-hierarchy.txt | 18 ++-
> block/blk-cgroup.c | 5
> include/linux/cgroup.h | 17 ++
> kernel/cgroup.c | 160 +++++++++++++++++++++-------
> kernel/cgroup_freezer.c | 2
> kernel/cpuset.c | 2
> kernel/sched/core.c | 2
> kernel/sched/cpuacct.c | 2
> mm/hugetlb_cgroup.c | 5
> mm/memcontrol.c | 6 -
> net/core/netclassid_cgroup.c | 2
> net/core/netprio_cgroup.c | 2
> net/ipv4/tcp_memcontrol.c | 2
> security/device_cgroup.c | 2
> 14 files changed, 160 insertions(+), 67 deletions(-)
>
Acked-by: Li Zefan <lizefan@xxxxxxxxxx>
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