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cfq-iosched: drain device queue before switching to a sync queue
authorJens Axboe <jens.axboe@oracle.com>
Fri, 3 Jul 2009 10:57:48 +0000 (12:57 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 11 Sep 2009 12:33:30 +0000 (14:33 +0200)
To lessen the impact of async IO on sync IO, let the device drain of
any async IO in progress when switching to a sync cfqq that has idling
enabled.

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

No differences found
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