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Date: Sun, 07 Nov 2010 22:39:23 +0100 From: Milan Broz <mbroz@...hat.com> To: Andi Kleen <andi@...stfloor.org> CC: Matt <jackdachef@...il.com>, Linux Kernel <linux-kernel@...r.kernel.org>, dm-devel@...hat.com, htd@...cy-poultry.org Subject: Re: [PATCH] DM-CRYPT: Scale to multiple CPUs v3 on 2.6.37-rc* ? 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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