Re: [PATCH 1/6] xstat: Add a pair of system calls to make extended file stats available

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Ben Hutchings <ben@xxxxxxxxxxxxxxx> wrote:

> Try 86,400 seconds - the actual granularity of atime on VFAT.

24 hours?  Really?  I guess it makes the updating of atime on the media
something you can be lazy about.

> (For mtime it's 2 seconds, and for ctime 0.01 seconds.)

Sigh.  Okay.  Ugh.  I guess I need separate granularities after all...  Not
only that, but a 32-bit integer isn't sufficiently capacious to hold the full
range I now know about (1nS up to 1 day).

I wonder if granularity should be left to a statfsxat() syscall?

And I know Linus didn't like it, but I wonder if I can pack it in to a 32-bit
word either by doing an x * 10^y thing.

David
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