Re: Proposal: Use hi-res clock for file timestamps

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On Tue, Aug 17, 2010 at 12:54 PM, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
>> Is there any objection to the mount option I am proposing?
>
> I have none. I doubt I'd use it as it would be too expensive on system
> performance for some of my boxes, while having an incrementing value is
> cheap.
>
> I don't see the two as conflicting - in fact the bits you need to do the
> mount option are the bits you also need to do the counter version as
> well. One fixes ordering at no real cost, the other adds high res
> timestamps, both are useful.

A mount option could also allow a choice of timestamp resolutions:

Traditional (i.e., fast)
Alan Cox NFS hack (a tad slower but should fix NFS)
High-res time (slowest but most accurate)

I will work on a patch this week (weekend at the latest).

Thanks, Alan.

 - Pat
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