From: Vivek Goyal <vgoyal@redhat.com>
Date: Thu, 3 Dec 2009 17:59:39 +0000 (-0500)
Subject: blkio: Implement macro to traverse each service tree in group
X-Git-Tag: v2.6.33-rc1~379^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=615f0259e6940293359a189f4881bb28c2fea40b;p=pandora-kernel.git

blkio: Implement macro to traverse each service tree in group

o Implement a macro to traverse each service tree in the group. This avoids
  usage of double for loop and special condition for idle tree 4 times.

o Macro is little twisted because of special handling of idle class service
  tree.

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