block: fix a build error

The code is only for blkcg not for all cgroups

Fixes: d4478e92d6 ("block/loop: make loop cgroup aware")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Shaohua Li 2017-09-26 11:02:12 -07:00 • committed by Jens Axboe
commit 0b508bc926
3 changed files with 6 additions and 6 deletions