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cfq-iosched: speedup cic rb lookup
authorJens Axboe <jens.axboe@oracle.com>
Tue, 24 Apr 2007 19:23:53 +0000 (21:23 +0200)
committerJens Axboe <axboe@nelson.home.kernel.dk>
Mon, 30 Apr 2007 07:01:23 +0000 (09:01 +0200)
We often lookup the same queue many times in succession, so cache
the last looked up queue to avoid browsing the rbtree.

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

No differences found
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