Commit 86a5bba5 authored Aug 28, 2019 by Tejun Heo Committed by Jens Axboe Aug 28, 2019

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>

parent cf09a8ee

block/blk-cgroup.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1475,6 +1475,7 @@ int blkcg_policy_register(struct blkcg_policy *pol)
		blkcg->cpd[pol->plid] = cpd;
		cpd->blkcg = blkcg;
		cpd->plid = pol->plid;
		if (pol->cpd_init_fn)
		pol->cpd_init_fn(cpd);
		}
		}