Messages in this thread | | | Date | Sun, 07 Nov 2010 22:39:23 +0100 | From | Milan Broz <> | Subject | Re: [PATCH] DM-CRYPT: Scale to multiple CPUs v3 on 2.6.37-rc* ? |
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On 11/07/2010 08:45 PM, Andi Kleen wrote: >> I read about barrier-problems and data getting to the partition when >> using dm-crypt and several layers so I don't know if that could be >> related > > Barriers seem to be totally broken on dm-crypt currently.
Can you explain it?
Barriers/flush change should work, if it is broken, it is not only dm-crypt. (dm-crypt simply relies on dm-core implementation, when barrier/flush request come to dmcrypt, all previous IO must be already finished).
Milan
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