On (Tue) Oct 27 2009 [09:04:50], Anthony Liguori wrote: > Amit Shah wrote: >> On (Tue) Oct 27 2009 [09:40:27], Kevin Wolf wrote: >> >>>> All that said, I'm ok with reverting that patch now till I find some >>>> kind of a solution to this. >>>> >>> Which patch do you want to revert? You're aware that the qcow2 patch is >>> a data corruption fix? >>> >> >> Ah, no. Reverting my patch that causes this problem. I know the qcow2 >> patch only exposes the bh handling issue. I intend to fix that >> appropriately elsewhere :-) >> > > How does Kevin's latest patches that introduces new BHs semantics affect > all of this?
I explained that a couple of mails ago in this thread in a reply to Jan. Basically, the order in which the BHs run causes the problem, so it's a race, and Kevin's patch make the BHs run later. Amit