09 Aug, 2012
1 commit
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Update tunable options in block/cfq-iosched.txt.
Signed-off-by: Namjae Jeon
Signed-off-by: Jens Axboe
05 Aug, 2011
1 commit
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There are always questions about why CFQ is idling on various conditions.
Recent ones is Christoph asking again why to idle on REQ_NOIDLE. His
assertion is that XFS is relying more and more on workqueues and is
concerned that CFQ idling on IO from every workqueue will impact
XFS badly.So he suggested that I add some more documentation about CFQ idling
and that can provide more clarity on the topic and also gives an
opprotunity to poke a hole in theory and lead to improvements.So here is my attempt at that. Any comments are welcome.
Signed-off-by: Vivek Goyal
Signed-off-by: Jens Axboe
23 Aug, 2010
1 commit
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Some documentation to provide help with tunables.
Signed-off-by: Vivek Goyal
Acked-by: Jeff Moyer
Signed-off-by: Jens Axboe