From owner-freebsd-current@FreeBSD.ORG Mon Jul 2 14:35:59 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9D919106564A; Mon, 2 Jul 2012 14:35:59 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-bk0-f54.google.com (mail-bk0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id F0DE48FC0C; Mon, 2 Jul 2012 14:35:58 +0000 (UTC) Received: by bkcje9 with SMTP id je9so214027bkc.13 for ; Mon, 02 Jul 2012 07:35:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=EUgf1rOpNUuBy/2Mhn/BawTLANAf2bZT7bMS47BEVyw=; b=IsTZei13hEcHhBIBwRhwOL7ugfwihn5dilBQglpyX5CDGoqdY/GQgOQhNgE07rA9cP ZY1rMHGkCPdbHbk7B3Q4/LUWlFJ59p6rwfSBAgZqmNRXQzAnc18K1/YzU6+eFq49Uk8n +p9bQqfljasEWCn1aV9+cJrFiTGR9f9WJdYhq1cVOUS+HVLraUDEDfmb1sWxccAhuACF PhlhyiI/UuK8kgH5H2eYCWV7GfZGuZUUXTt1o+2t4qERPmcJxbCTNiIk/beOxeaXPUaG rCxIUhbTJE2ftLQztITI9M+oTS68CYtnTdKpw+1+cr1CpVhJt630f9bPnyD5B3eF5Pp4 if2w== MIME-Version: 1.0 Received: by 10.152.136.18 with SMTP id pw18mr13232556lab.17.1341239757762; Mon, 02 Jul 2012 07:35:57 -0700 (PDT) Sender: asmrookie@gmail.com Received: by 10.112.27.65 with HTTP; Mon, 2 Jul 2012 07:35:57 -0700 (PDT) In-Reply-To: <4FF1AC74.7020205@thebarn.com> References: <20120702061219.GA16671@infradead.org> <4FF1AC74.7020205@thebarn.com> Date: Mon, 2 Jul 2012 15:35:57 +0100 X-Google-Sender-Auth: nTOnsVR6fsqbde3UcZHs-9PSWwU Message-ID: From: Attilio Rao To: Russell Cattelan Content-Type: text/plain; charset=UTF-8 Cc: FreeBSD FS , Christoph Hellwig , freebsd-current@freebsd.org, "C. P. Ghost" Subject: Re: MPSAFE VFS -- List of upcoming actions X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Jul 2012 14:35:59 -0000 2012/7/2, Russell Cattelan : > On 7/2/12 1:12 AM, Christoph Hellwig wrote: >> On Sun, Jul 01, 2012 at 03:52:05PM +0200, Attilio Rao wrote: >>> anything by SoC involved people about NTFS and certainly I don't see a >>> plan to get XFS locked. >> >> Stupid question, but what amount of locking does XFS in FreeBSD still >> need? I'm one of the maintainer of XFS on Linux, and while I know >> FreeBSD imported a really old version compared to the current one the >> codebases on IRIX and later Linux never relied on any global Giant-style >> locking. So if there is anything to fix it would be the in the small >> bits of FreeBSD-specific code. >> > I would be curious as well. Since I'm one of the people that has done > the port of XFS to FreeBSD I'm wondering what this whole MP initiative > with regards to filesystems is about. So if you think that XFS doesn't need to acquire Giant why it is not yet marked MPSAFE? Also, did you really ever actually tested write support? (Not sure if it was added to you). Attilio -- Peace can only be achieved by understanding - A. Einstein