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Commit e0de0206 authored by Jens Axboe's avatar Jens Axboe
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[PATCH] cfq-iosched: check busy queues before deciding we are idle


For just one busy queue (like async write out), we often overlooked
that we could queue more io and decided we were idle instead. This causes
us quite a bit of performance loss.

Signed-off-by: default avatarJens Axboe <axboe@suse.de>
parent ba8f5bab
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