From owner-freebsd-current@FreeBSD.ORG Thu Feb 7 11:37:58 2008 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 58E8016A419; Thu, 7 Feb 2008 11:37:58 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from relay02.kiev.sovam.com (relay02.kiev.sovam.com [62.64.120.197]) by mx1.freebsd.org (Postfix) with ESMTP id C967113C45E; Thu, 7 Feb 2008 11:37:52 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from [212.82.216.226] (helo=skuns.kiev.zoral.com.ua) by relay02.kiev.sovam.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.67) (envelope-from ) id 1JN54b-000E9d-0B; Thu, 07 Feb 2008 13:37:51 +0200 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by skuns.kiev.zoral.com.ua (8.14.1/8.14.1) with ESMTP id m17BbCDx047995 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 7 Feb 2008 13:37:12 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.2/8.14.2) with ESMTP id m17BbVQM039961; Thu, 7 Feb 2008 13:37:31 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.2/8.14.2/Submit) id m17BbU9P039808; Thu, 7 Feb 2008 13:37:30 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 7 Feb 2008 13:37:30 +0200 From: Kostik Belousov To: Ed Schouten Message-ID: <20080207113730.GA57756@deviant.kiev.zoral.com.ua> References: <20080207045015.GW57756@deviant.kiev.zoral.com.ua> <3bbf2fe10802070216idd5206ey7a66c0873311e66c@mail.gmail.com> <20080207104354.GY57756@deviant.kiev.zoral.com.ua> <3bbf2fe10802070304r29cb8d2u1210fe285c917424@mail.gmail.com> <20080207110901.GZ57756@deviant.kiev.zoral.com.ua> <20080207111703.GA94844@hoeg.nl> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="dxRvWdH66PF/KkOc" Content-Disposition: inline In-Reply-To: <20080207111703.GA94844@hoeg.nl> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.91.2, clamav-milter version 0.91.2 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Scanner-Signature: 1e897a521fdb5eac39b1f944f187ca57 X-DrWeb-checked: yes X-SpamTest-Envelope-From: kostikbel@gmail.com X-SpamTest-Group-ID: 00000000 X-SpamTest-Info: Profiles 2189 [Feb 07 2008] X-SpamTest-Info: helo_type=3 X-SpamTest-Info: {received from trusted relay: not dialup} X-SpamTest-Method: none X-SpamTest-Method: Local Lists X-SpamTest-Rate: 0 X-SpamTest-Status: Not detected X-SpamTest-Status-Extended: not_detected X-SpamTest-Version: SMTP-Filter Version 3.0.0 [0255], KAS30/Release Cc: Attilio Rao , Marcel Moolenaar , current@freebsd.org Subject: Re: Old LOR between devfs & devfsmount resurfacing? 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: Thu, 07 Feb 2008 11:37:58 -0000 --dxRvWdH66PF/KkOc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 07, 2008 at 12:17:03PM +0100, Ed Schouten wrote: > * Kostik Belousov wrote: > > This LOR shall not be ignored globally. When real, it caused the easily > > reproducable lockup of the machine. > >=20 > > It would be better to introduce some lockmgr flag to ignore _this_ lock= ing. >=20 > Wouldn't it be easier to just fix the LOR itself, or are we dealing with > some kind of chicken-and-egg situation? This seems to be not easy, because mount point shall be protected while we allocate the new vnode in getnewvnode() etc. --dxRvWdH66PF/KkOc Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (FreeBSD) iEYEARECAAYFAkeq7XoACgkQC3+MBN1Mb4jgSwCgurQYBc3n0n1riiebk/FdNIda eKIAoJ7Axkl9NB0hFP6/dLP/0q8PmqHJ =ZQ96 -----END PGP SIGNATURE----- --dxRvWdH66PF/KkOc--