Re: how to actually find out whether data hit the disk?

[Peter Dufault]

> > Do an msync with MS_SYNC someplace.  Also, use MAP_NOSYNC in
> > mmap until 4.3 when Matt Dillon plans to make that the default behavior.
> 
> Ahh, no.  That's the other way around - I do not *want* it to hit the
> disk, but would like to *know* when it nevertheless does.

OK, doing a stat and checking the mtime should give you
the info at the expense of polling, I can't think of another way.

Peter

--
Peter Dufault ([EMAIL PROTECTED])   Realtime development, Machine control,
HD Associates, Inc.               Fail-Safe systems, Agency approval

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