Re: Apparent serious progressive ext4 data corruption bug in 3.6.3(and other stable branches?)

[Theodore Ts'o]

On Sat, Oct 27, 2012 at 01:45:25PM +0100, Nix wrote:
> Ah! it's turned on by journal_async_commit. OK, that alone argues
> against use of journal_async_commit, tested or not, and I'd not have
> turned it on if I'd noticed that.
> 
> (So, the combinations I'll be trying for effect on this bug are:
> 
>  journal_async_commit (as now)
>  journal_checksum
>  none

Can you also check and see whether the presence or absence of
"nobarrier" makes a difference?

Thanks,

						- Ted
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