On Sun, Nov 07, 2010 at 10:39:23PM +0100, Milan Broz wrote: > 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? e.g. the btrfs mailing list is full of corruption reports on dm-crypt and most of the symptoms point to broken barriers. > 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). Possibly, at least it doesn't seem to work. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
