tree 764c165e3a9f51a9496868154e780b0fb4b33adf
parent cf09a8ee19ad1f78b4e18cdde9f2a61133efacf5
author Tejun Heo <tj@kernel.org> 1567029952 -0700
committer Jens Axboe <axboe@kernel.dk> 1567048623 -0600

blkcg: make ->cpd_init_fn() optional

For policies which can do enough initialization from ->cpd_alloc_fn(),
make ->cpd_init_fn() optional.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>