tree 565eda3f793d6b89623fba41beb93df03ceef696
parent 32e380aedc3de454c06ce1c254fe3bea35a676e1
author Tejun Heo <tj@kernel.org> 1330982095 -0800
committer Jens Axboe <axboe@kernel.dk> 1331065641 +0100

cfq: don't register propio policy if !CONFIG_CFQ_GROUP_IOSCHED

cfq has been registering zeroed blkio_poilcy_cfq if CFQ_GROUP_IOSCHED
is disabled.  This fortunately doesn't collide with blk-throtl as
BLKIO_POLICY_PROP is zero but is unnecessary and risky.  Just don't
register it if not enabled.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>