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  • Tejun Heo's avatar
    blkcg: restructure configuration printing · c4682aec
    Tejun Heo authored
    Similarly to the previous stat restructuring, this patch restructures
    conf printing code such that,
    * Conf printing uses the same helpers as stat.
    * Printing function doesn't require hardcoded switching on the config
      being printed.  Note that this isn't complete yet for throttle
      confs.  The next patch will convert setting for these confs and will
      complete the transition.
    * Printing uses read_seq_string callback (other methods will be phased
    Note that blkio_group_conf.iops[2] is changed to u64 so that they can
    be manipulated with the same functions.  This is transitional and will
    go away later.
    After this patch, per-device configurations - weight, bps and iops -
    use __blkg_prfill_u64() for printing which uses white space as
    delimiter instead of tab.
    Signed-off-by: default avatarTejun Heo <>