From owner-freebsd-current Tue Apr 9 4:31:30 2002 Delivered-To: freebsd-current@freebsd.org Received: from flood.ping.uio.no (flood.ping.uio.no [129.240.78.31]) by hub.freebsd.org (Postfix) with ESMTP id B0BD837B416 for ; Tue, 9 Apr 2002 04:31:27 -0700 (PDT) Received: by flood.ping.uio.no (Postfix, from userid 2602) id 6077F5309; Tue, 9 Apr 2002 13:31:24 +0200 (CEST) X-URL: http://www.ofug.org/~des/ X-Disclaimer: The views expressed in this message do not necessarily coincide with those of any organisation or company with which I am or have been affiliated. To: Jeff Roberson Cc: current@freebsd.org Subject: Re: LOOKUP_SHARED is default now References: <20020409010420.R16729-100000@mail.chesapeake.net> From: Dag-Erling Smorgrav Date: 09 Apr 2002 13:31:24 +0200 In-Reply-To: <20020409010420.R16729-100000@mail.chesapeake.net> Message-ID: Lines: 16 User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.1 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Jeff Roberson writes: > This patch has seriously reduced file system deadlocks for several people. > It also makes concurrent file system access much faster in certain cases. > Since I have only heard good reports and no bad reports I'm going to > enable it by default. If you do experience some file system deadlocks > please let me know. You may revert to the previous behavior with 'options > LOOKUP_EXCLUSIVE'. I will take this away after a month or so if there are > no problems. Considering that neither LOOKUP_SHARED nor LOOKUP_EXCLUSIVE is documented anywhere, could you enlighten us as to what, exactly, they do? DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message