From owner-freebsd-fs@FreeBSD.ORG Mon Feb 6 19:47:52 2012 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 134DD106566B; Mon, 6 Feb 2012 19:47:52 +0000 (UTC) (envelope-from jh@FreeBSD.org) Received: from gw02.mail.saunalahti.fi (gw02.mail.saunalahti.fi [195.197.172.116]) by mx1.freebsd.org (Postfix) with ESMTP id C11B48FC1F; Mon, 6 Feb 2012 19:47:51 +0000 (UTC) Received: from jh (a91-153-115-208.elisa-laajakaista.fi [91.153.115.208]) by gw02.mail.saunalahti.fi (Postfix) with SMTP id A2C25139C1F; Mon, 6 Feb 2012 21:47:48 +0200 (EET) Date: Mon, 6 Feb 2012 21:47:48 +0200 From: Jaakko Heinonen To: Martin Matuska Message-ID: <20120206194747.GA21280@jh> References: <4F2F9CB9.3040000@FreeBSD.org> <20120206174016.GA2270@a91-153-116-96.elisa-laajakaista.fi> <4F3029E6.6000900@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4F3029E6.6000900@FreeBSD.org> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-fs@FreeBSD.org Subject: Re: [CFR][DEVFS] Add "ruleset" mount option X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Feb 2012 19:47:52 -0000 On 2012-02-06, Martin Matuska wrote: > It is not displayed in mount -v / -p and is not used anywhere on > existing mounts, devfs_mount() doesn't support MNT_UPDATE. True. There has been some suggestions to add an interface to query string mount options. > If we would add update support than we still wouldn't rely on this > option as it would be read from devfs. If there is no use for the value after initial mount, IMO it shouldn't be stored. This again demonstrates the fragility of nmount. -- Jaakko