From owner-freebsd-hackers Mon Feb 22 6:24: 9 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from gatekeeper.tsc.tdk.com (gatekeeper.tsc.tdk.com [207.113.159.21]) by hub.freebsd.org (Postfix) with ESMTP id 043E511EEF for ; Mon, 22 Feb 1999 06:24:06 -0800 (PST) (envelope-from gdonl@tsc.tdk.com) Received: from sunrise.gv.tsc.tdk.com (root@sunrise.gv.tsc.tdk.com [192.168.241.191]) by gatekeeper.tsc.tdk.com (8.8.8/8.8.8) with ESMTP id GAA16299; Mon, 22 Feb 1999 06:23:32 -0800 (PST) (envelope-from gdonl@tsc.tdk.com) Received: from salsa.gv.tsc.tdk.com (salsa.gv.tsc.tdk.com [192.168.241.194]) by sunrise.gv.tsc.tdk.com (8.8.5/8.8.5) with ESMTP id GAA10558; Mon, 22 Feb 1999 06:23:30 -0800 (PST) Received: (from gdonl@localhost) by salsa.gv.tsc.tdk.com (8.8.5/8.8.5) id GAA28922; Mon, 22 Feb 1999 06:23:29 -0800 (PST) From: Don Lewis Message-Id: <199902221423.GAA28922@salsa.gv.tsc.tdk.com> Date: Mon, 22 Feb 1999 06:23:29 -0800 In-Reply-To: Terry Lambert "Re: Panic in FFS/4.0 as of yesterday" (Feb 20, 10:42pm) X-Mailer: Mail User's Shell (7.2.6 alpha(3) 7/19/95) To: Terry Lambert , dillon@apollo.backplane.com (Matthew Dillon) Subject: Re: Panic in FFS/4.0 as of yesterday Cc: dfr@nlsystems.com, freebsd-hackers@FreeBSD.ORG Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Feb 20, 10:42pm, Terry Lambert wrote: } Subject: Re: Panic in FFS/4.0 as of yesterday } I think the way to "fix" this is to have two queue insertion points, } and insert directory writes as far forward as you can (some pigs are } more equal than others). This would ensure short duration for } directory operations. What about directory reads? I think the same problem will occur if they have long latencies. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message