• Tejun Heo's avatar
    cgroup: replace cftype->read_seq_string() with cftype->seq_show() · 2da8ca82
    Tejun Heo authored
    In preparation of conversion to kernfs, cgroup file handling is
    updated so that it can be easily mapped to kernfs.  This patch
    replaces cftype->read_seq_string() with cftype->seq_show() which is
    not limited to single_open() operation and will map directcly to
    kernfs seq_file interface.
    The conversions are mechanical.  As ->seq_show() doesn't have @css and
    @cft, the functions which make use of them are converted to use
    seq_css() and seq_cft() respectively.  In several occassions, e.f. if
    it has seq_string in its name, the function name is updated to fit the
    new method better.
    This patch does not introduce any behavior changes.
    Signed-off-by: default avatarTejun Heo <tj@kernel.org>
    Acked-by: default avatarAristeu Rozanski <arozansk@redhat.com>
    Acked-by: default avatarVivek Goyal <vgoyal@redhat.com>
    Acked-by: default avatarMichal Hocko <mhocko@suse.cz>
    Acked-by: default avatarDaniel Wagner <daniel.wagner@bmw-carit.de>
    Acked-by: default avatarLi Zefan <lizefan@huawei.com>
    Cc: Jens Axboe <axboe@kernel.dk>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Johannes Weiner <hannes@cmpxchg.org>
    Cc: Balbir Singh <bsingharora@gmail.com>
    Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    Cc: Neil Horman <nhorman@tuxdriver.com>
cfq-iosched.c 120 KB