blkcg: blkcg_activate_policy() should initialize ancestors first
authorTejun Heo <tj@kernel.org>
Thu, 13 Jun 2019 22:30:40 +0000 (15:30 -0700)
committerJens Axboe <axboe@kernel.dk>
Sat, 15 Jun 2019 16:39:40 +0000 (10:39 -0600)
commit71c814077de60b2e7415dac6f5c4e98f59d521fd
treee2c3740fdd60c8fb9fb50b2256f608f486916eb8
parentef069b97feec11c2399bbc5f6f347b35482105dc
blkcg: blkcg_activate_policy() should initialize ancestors first

When blkcg_activate_policy() is creating blkg_policy_data for existing
blkgs, it did in the wrong order - descendants first.  Fix it.  None
of the existing controllers seem affected by this.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-cgroup.c