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: NJens Axboe <jens.axboe@oracle.com>
Showing
想要评论请 注册 或 登录
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: NJens Axboe <jens.axboe@oracle.com>