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SubjectRe: application syncing options (was Re: [PATCH] Memory management livelock)
On Sun, 5 Oct 2008, Mikulas Patocka wrote:

> On Fri, 3 Oct 2008, david@lang.hm wrote:
>
>> I've also seen discussions of how the
>> kernel filesystem code can do ordered writes without having to wait for them
>> with the use of barriers, is this capability exported to userspace? if so,
>> could you point me at documentation for it?
>
> It isn't. And it is good that it isn't --- the more complicated API, the
> more maintenance work.

I can understand that most software would not want to deal with
complications like this, but for things thta have requirements similar to
journaling filesystems (databases for example) it would seem that there
would be advantages to exposing this capabilities.

David Lang


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