Commit 86a5bba5 authored by Tejun Heo's avatar Tejun Heo Committed by Jens Axboe
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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: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarJens 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);

		}

	}