commit 58ff82f34cded3812af5b6c69b6aa626b6be2490
author Vivek Goyal <vgoyal@redhat.com> Thu Dec 03 12:59:44 2009 -0500
committer Jens Axboe <jens.axboe@oracle.com> Thu Dec 03 19:28:52 2009 +0100
tree 06098474c5763f20d1c9715faf67c83c56b9a787
parent 25bc6b07767fe77422312eda2af99c9477f76191

blkio: Implement per cfq group latency target and busy queue avg

o So far we had 300ms soft target latency system wide. Now with the
  introduction of cfq groups, divide that latency by number of groups so
  that one can come up with group target latency which will be helpful
  in determining the workload slice with-in group and also the dynamic
  slice length of the cfq queue.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>