[PATCH v2 0/3] A few cleanup patches for blk-iolatency.c

[Kemeng Shi]

This series contains three cleanup patches to remove redundant check,
correct comment and simplify struct iolatency_grp in blk-iolatency.c.

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v2:
 Thanks Josef for review and comment!
 Add Reviewed-by tag from Josef 
 Improve the corrected comment in patch 2/3
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Kemeng Shi (3):
  block: Remove redundant parent blkcg_gp check in check_scale_change
  block: Correct comment for scale_cookie_change
  block: Replace struct rq_depth with unsigned int in struct
    iolatency_grp

 block/blk-iolatency.c | 37 +++++++++++++++++--------------------
 1 file changed, 17 insertions(+), 20 deletions(-)

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2.30.0