linux/Documentation
Joe Thornber 01911c19be dm cache policy mq: implement writeback_work() and mq_{set,clear}_dirty()
There are now two multiqueues for in cache blocks.  A clean one and a
dirty one.

writeback_work comes from the dirty one.  Demotions come from the clean
one.

There are two benefits:
- Performance improvement, since demoting a clean block is a noop.
- The cache cleans itself when io load is light.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2013-11-09 18:20:25 -05:00
..
2012-04-03 13:09:18 +02:00
2013-10-02 21:48:32 -07:00
2013-04-02 09:39:55 -07:00
2013-07-24 22:06:34 -07:00
2013-01-10 01:27:46 +01:00
2013-07-25 12:34:15 +02:00
2013-09-15 17:41:30 -04:00
2013-06-03 14:31:39 -07:00
2013-07-03 16:08:03 -07:00
2012-07-29 21:11:05 -03:00
2013-04-16 18:47:19 +09:00
2012-12-05 23:52:10 +00:00
2013-02-19 08:42:37 +01:00
2012-02-28 16:05:06 +01:00
2013-06-21 11:32:51 +02:00
2013-09-05 16:36:21 -06:00