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authorVivek Goyal <vgoyal@redhat.com>2009-12-03 12:59:41 -0500
committerJens Axboe <jens.axboe@oracle.com>2009-12-03 19:28:51 +0100
commit1fa8f6d68b5c8ca0a608fd8d296c5f07ac788cd6 (patch)
tree1e6d9e0ed1bd61f7f8f71a7191815be2ab65aac3 /block/Kconfig.iosched
parentf04a64246344ad50e4b4b4186174a0912d07f30b (diff)
downloadlinux-0-day-1fa8f6d68b5c8ca0a608fd8d296c5f07ac788cd6.tar.gz
blkio: Introduce the root service tree for cfq groups
o So far we just had one cfq_group in cfq_data. To create space for more than one cfq_group, we need to have a service tree of groups where all the groups can be queued if they have active cfq queues backlogged in these. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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