cfq-iosched: clear ->prio_trees[] on cfqd alloc
authorJens Axboe <jens.axboe@oracle.com>
Thu, 23 Apr 2009 10:13:27 +0000 (12:13 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 24 Apr 2009 06:54:22 +0000 (08:54 +0200)
Not strictly needed, but we should make it clear that we init the
rbtree roots here.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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