]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commitd3cba3996df5a12581dc5f7da0ce1ebc195fef49
treef59303df8b17f51781adedc6320c9a14130a650e
parentfe0f1f11735f053268440e4dd3be32240bce2f20
cfq-iosched: speedup cic rb lookup

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>
block/cfq-iosched.c