Re: [PATCH] ide barrier support, #2

[Andi Kleen]

> Uh be careful! It must be WRITEBARRIER, not WRITESYNC. I think I'll kill
> WRITEBARRIER and just call it WRITESYNC, it's more logical. I've added
> the modified variant, thanks.

Why? The journaling just checks if the write finished and then submits
the dependent writes. It doesn't care about reordering.

As long as WRITESYNC guarantees that the data hit disk when completed
then it should be ok.

-Andi
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