From owner-freebsd-bugs@FreeBSD.ORG Fri Sep 2 18:00:36 2005 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 21C0816A41F for ; Fri, 2 Sep 2005 18:00:36 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id EC97143D49 for ; Fri, 2 Sep 2005 18:00:34 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.3/8.13.3) with ESMTP id j82I0Ydq055153 for ; Fri, 2 Sep 2005 18:00:34 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.3/8.13.1/Submit) id j82I0YgK055152; Fri, 2 Sep 2005 18:00:34 GMT (envelope-from gnats) Resent-Date: Fri, 2 Sep 2005 18:00:34 GMT Resent-Message-Id: <200509021800.j82I0YgK055152@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Ben Thomas Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 07AED16A41F for ; Fri, 2 Sep 2005 17:56:45 +0000 (GMT) (envelope-from bthomas@virtualiron.com) Received: from mail.virtualiron.com (mail.virtualiron.com [209.213.88.114]) by mx1.FreeBSD.org (Postfix) with ESMTP id 83DD243D48 for ; Fri, 2 Sep 2005 17:56:44 +0000 (GMT) (envelope-from bthomas@virtualiron.com) Received: from [10.1.2.26] ([10.1.2.26]) by mail.virtualiron.com with Microsoft SMTPSVC(6.0.3790.1830); Fri, 2 Sep 2005 13:57:20 -0400 Message-Id: <4318925B.6070507@virtualiron.com> Date: Fri, 02 Sep 2005 13:56:43 -0400 From: Ben Thomas To: FreeBSD-gnats-submit@FreeBSD.org Cc: Subject: kern/85649: [patch] allow mounting msdos files systems as root device X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Sep 2005 18:00:36 -0000 >Number: 85649 >Category: kern >Synopsis: [patch] allow mounting msdos files systems as root device >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Fri Sep 02 18:00:34 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Ben Thomas >Release: FreeBSD 5.4-RELEASE i386 >Organization: Virtual Iron Software >Environment: System: FreeBSD bthomas4.katana-technology.com 5.4-RELEASE FreeBSD 5.4-RELEASE #10: Sun Aug 28 13:48:00 EDT 2005 ben@bthomas4.katana-technology.com:/usr/obj/usr/home/ben/BSD/RELENG_5_4_0_RELEASE/src/sys/BEN i386 >Description: Support mounting of msdosfs file systems as root. Yes, it's unusual. Yes, it was needed. This patch is against the 5_4_0_RELEASE code >How-To-Repeat: >Fix: --- msdosfs_vfsops.c-DIFF begins here --- --- /usr/src.original/sys/fs/msdosfs/msdosfs_vfsops.c Mon Jan 31 18:25:56 2005 +++ /usr/src/sys/fs/msdosfs/msdosfs_vfsops.c Thu Aug 11 16:16:26 2005 @@ -197,6 +197,25 @@ int error, flags; mode_t accessmode; + /* + * Use NULL path to indicate we are mounting the root filesystem. + */ + struct vnode *rootvp; + if (path == NULL) { + if ((error = bdevvp(rootdev, &rootvp))) { + printf("msdosfs_mountroot: can't find rootvp\n"); + return (error); + } + + if ((error = mountmsdosfs(rootvp, mp, td, NULL)) != 0) + return (error); + (void)VFS_STATFS(mp, &mp->mnt_stat, td); + (void) msdosfs_statfs(mp, &mp->mnt_stat, td); + args.mask = ALLPERMS; + update_mp(mp, &args, td); + return (0); + } + error = copyin(data, (caddr_t)&args, sizeof(struct msdosfs_args)); if (error) return (error); --- msdosfs_vfsops.c-DIFF ends here --- >Release-Note: >Audit-Trail: >Unformatted: