Re: [RFC] [PATCH] Relative lazy atime

From: Valerie Henson
Date: Wed Aug 09 2006 - 02:37:49 EST

On Sat, Aug 05, 2006 at 09:01:47PM -0600, Matthew Wilcox wrote:
> On Sat, Aug 05, 2006 at 04:28:29PM -0700, dean gaudet wrote:
> > you can work around mutt's silly dependancy on atime by configuring it
> > with --enable-buffy-size. so far mutt is the only program i've discovered
> > which cares about atime.
> For the shell, atime is the difference between 'you have mail' and 'you
> have new mail'.
> I still don't understand though, how much does this really buy us over
> nodiratime?

Lazy atime buys us a reduction in writes over nodiratime for any
workload which reads files, such as grep -r, a kernel compile, or
backup software. Do I misunderstand the question?

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