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blk-cgroup: Prepare the base for supporting more than one IO control policies

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o This patch prepares the base for introducing new IO control policies.
  Currently all the code is written knowing there is only one policy
  and that is proportional bandwidth. Creating infrastructure for newer
  policies to come in.

o Also there were many functions which were generated using macro. It was
  very confusing. Got rid of those.

Signed-off-by: Vivek Goyal <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Vivek Goyal 2010-09-15 17:06:33 -04:00 • committed by Jens Axboe
commit 062a644d61
4 changed files with 429 additions and 154 deletions
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1
block/cfq-iosched.c
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@ -4013,6 +4013,7 @@ static struct blkio_policy_type blkio_policy_cfq = {
.blkio_unlink_group_fn = cfq_unlink_blkio_group,
.blkio_update_group_weight_fn = cfq_update_blkio_group_weight,
},
.plid = BLKIO_POLICY_PROP,
};
#else
static struct blkio_policy_type blkio_policy_cfq;