Nicolas Williams <[EMAIL PROTECTED]> wrote:
> On Fri, Oct 06, 2006 at 12:02:16PM -0700, Matthew Ahrens wrote:
> > In my opinion, the marginal benefit of per-write(2) versions over
> > snapshots (which can be per-transaction, ie. every ~5 seconds) does not
> > outweigh the complexity of implementation and use/administration.
>
> Per-write(2) versions would be worse than useless in many, if not most
> cases. Even per-close(2) versions wouldn't always be useful.
Even if there is a proper way to find the right time for a micro snapshot,
if the versions live in the standard namespace of the filesystem, it would
cause POSIX compatibility problems and we would need to change many programs.
Jörg
--
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
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[EMAIL PROTECTED] (work) Blog: http://schily.blogspot.com/
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