From owner-freebsd-hackers Mon Jan 13 13:13:45 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id NAA05634 for hackers-outgoing; Mon, 13 Jan 1997 13:13:45 -0800 (PST) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.8.4/8.8.4) with SMTP id NAA05600 for ; Mon, 13 Jan 1997 13:12:41 -0800 (PST) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id NAA28218; Mon, 13 Jan 1997 13:59:54 -0700 From: Terry Lambert Message-Id: <199701132059.NAA28218@phaeton.artisoft.com> Subject: Re: mount -o async on a news servre To: bde@zeta.org.au (Bruce Evans) Date: Mon, 13 Jan 1997 13:59:54 -0700 (MST) Cc: dg@root.com, terry@lambert.org, freebsd-hackers@freebsd.org, henrich@crh.cl.msu.edu In-Reply-To: <199701130626.RAA07882@godzilla.zeta.org.au> from "Bruce Evans" at Jan 13, 97 05:26:31 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > The two options are complimentary. i.e., "async" will get you fast file > >creates/deletes, but it doesn't stop the access time from being updated - it > >just delays it until the inode buffer needs to be reclaimed. "noatime" doesn't > > Access times are never written to disk immediately when nothing else changes, > except for utimes() on some file systems including ufs. "Shall be marked for update". The question for the rest of it is "does 'shall be updated' mean 'shall be written to disk'"? ...most FS designers I've talked to say "no". Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.