From 25bc6b07767fe77422312eda2af99c9477f76191 Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Thu, 3 Dec 2009 12:59:43 -0500
Subject: [PATCH] blkio: Introduce per cfq group weights and vdisktime
 calculations

o Bring in the per cfq group weight and how vdisktime is calculated for the
  group. Also bring in the functionality of updating the min_vdisktime of
  the group service tree.

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