Date: Sat, 28 Dec 1996 12:30:05 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: bde@zeta.org.au (Bruce Evans) Cc: bde@zeta.org.au, dg@root.com, bugs@freebsd.org Subject: Re: another POSIX access timestamp pessimization Message-ID: <199612281730.MAA01161@dyson.iquest.net> 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
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