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authorTejun Heo <tj@kernel.org>2014-05-13 18:16:21 +0200
committerTejun Heo <tj@kernel.org>2014-05-13 18:16:21 +0200
commit451af504df0c62f695a69b83c250486e77c66378 (patch)
treef89879cf3f88e9da346d8bd3fa1ae192a280d772 /init/initramfs.c
parentcgroup: implement cftype->write() (diff)
downloadlinux-451af504df0c62f695a69b83c250486e77c66378.tar.xz
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cgroup: replace cftype->write_string() with cftype->write()
Convert all cftype->write_string() users to the new cftype->write() which maps directly to kernfs write operation and has full access to kernfs and cgroup contexts. The conversions are mostly mechanical. * @css and @cft are accessed using of_css() and of_cft() accessors respectively instead of being specified as arguments. * Should return @nbytes on success instead of 0. * @buf is not trimmed automatically. Trim if necessary. Note that blkcg and netprio don't need this as the parsers already handle whitespaces. cftype->write_string() has no user left after the conversions and removed. While at it, remove unnecessary local variable @p in cgroup_subtree_control_write() and stale comment about CGROUP_LOCAL_BUFFER_SIZE in cgroup_freezer.c. This patch doesn't introduce any visible behavior changes. v2: netprio was missing from conversion. Converted. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Aristeu Rozanski <arozansk@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Acked-by: Li Zefan <lizefan@huawei.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: "David S. Miller" <davem@davemloft.net>
Diffstat (limited to 'init/initramfs.c')
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