Re: 2.6.29 -mm merge plans

[Andi Kleen]

Nick Piggin <npiggin@xxxxxxx> writes:
>
> I can't see a problem with putting a global mutex around sys_sync (almost
> by definition, any app in the last 10+ years that calls sys_sync is not
> performance critical).

Hmm, but sync() used to (is still?) livelocky and when it takes a
minute or so to flush (and I've seen that) do you really want any
other sync user to block for a minute too?

-Andi


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