tree f9371c9e1191711dd2e774e04d99f3fa90d697fa
parent f8ae6e3eb8251be32c6e913393d9f8d9e0609489
author Shaohua Li <shaohua.li@intel.com> 1294990863 +0100
committer Jens Axboe <jaxboe@fusionio.com> 1294990863 +0100

block cfq: compensate preempted queue even if it has no slice assigned

If a queue is preempted before it gets slice assigned, the queue doesn't get
compensation, which looks unfair. For such queue, we compensate it for a whole
slice.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>