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From: "John S. Dyson" <toor@dyson.iquest.net>
Message-Id: <199612281730.MAA01161@dyson.iquest.net>
Subject: Re: another POSIX access timestamp pessimization
To: bde@zeta.org.au (Bruce Evans)
Date: Sat, 28 Dec 1996 12:30:05 -0500 (EST)
Cc: bde@zeta.org.au, dg@root.com, bugs@freebsd.org
In-Reply-To: <199612281557.CAA22346@godzilla.zeta.org.au> from "Bruce Evans" at Dec 29, 96 02:57:12 am
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> 
> crt0 and ld.so read the a.out header for some reason before mmapping the
> whole file.  Of course, the problem is not so large because there are
> only a few library files so caching works.
> 
> I forgot to say that the access time already gets set when scripts are
> execed, since something has to read the script.
> 
> Access times are set on exec in Linux-2.0.27.
> 
Yeah, and the guys on the Linux team don't like the overhead either.
Maybe we could make a "strict posix" mount option.  Default to something
sane, and if someone really needs slow operation, then they can have it :-).

John