linux-next: Fixes tag needs some work in the block tree

[Stephen Rothwell]

Hi all,

In commit

  573cc9d095bc ("blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats")

Fixes tag

  Fixes: ef45fe470e1 ("blk-cgroup: show global disk stats in root cgroup 
io.stat")

has these problem(s):

  - SHA1 should be at least 12 digits long

For the future, this can be fixed by setting core.abbrev to 12 (or more)
or (for git v2.11 or later) just making sure it is not set (or set to
"auto").

-- 
Cheers,
Stephen Rothwell

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