On 2014/5/6 20:44, Tejun Heo wrote:
> Hello,
>
> This patchset implements a new cftype operation ->write() and replace
> ->write_string() and ->trigger() with it. ->write() is similar to
> ->write_string() but maps directly to the kernfs write operation and
> has access to all available context information including the
> associated kernfs_open_file, which will make things like implementing
> kernfs active protection manipulation easier.
>
> ->write_string() becomes redundant and ->trigger() has always been
> spurious. This patch replaces all users of the two methods to
> ->write() and remove them.
>
> This patchset contains the following five patches.
>
> 0001-cgroup-implement-cftype-write.patch
> 0002-cgroup-replace-cftype-write_string-with-cftype-write.patch
> 0003-cgroup-replace-cftype-trigger-with-cftype-write.patch
> 0004-cgroup-convert-tasks-and-cgroup.procs-handle-to-use-.patch
> 0005-cgroup-remove-cgroup-control_kn.patch
>
> 0001 implements cftype->write().
>
> 0002-0003 replace cftype->write_string() and ->trigger() with it.
>
> 0004 convert "tasks" and "cgroup.procs" handler too.
>
> 0005 removes cgroup->control_kn as the kernfs_node is now directly
> accessible from kernfs_open_file.
>
> This patchset is on top of
>
> cgroup/for-3.16 12d3089c192c ("kernel/cpuset.c: convert printk to pr_foo()")
> + [1] [PATCHSET cgroup/for-3.16] cgroup: post unified hierarchy fixes and updates
>
> and available on the following git branch.
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-post-unified-updates
>
> diffstat follows.
>
> block/blk-throttle.c | 32 ++++++++---------
> block/cfq-iosched.c | 28 +++++++--------
> include/linux/cgroup.h | 40 +++++++++++----------
> kernel/cgroup.c | 85 +++++++++++++++++++++++-----------------------
> kernel/cgroup_freezer.c | 20 ++++------
> kernel/cpuset.c | 16 ++++----
> mm/hugetlb_cgroup.c | 33 +++++++++--------
> mm/memcontrol.c | 80 +++++++++++++++++++++++--------------------
> net/ipv4/tcp_memcontrol.c | 31 +++++++++-------
> security/device_cgroup.c | 14 +++----
> 10 files changed, 197 insertions(+), 182 deletions(-)
>
Acked-by: Li Zefan <lizefan@xxxxxxxxxx>
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