From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B3B2B7F53 for ; Thu, 5 Sep 2013 07:13:47 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 945AA304053 for ; Thu, 5 Sep 2013 05:13:47 -0700 (PDT) Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id PhiEilpxOnSBo54S for ; Thu, 05 Sep 2013 05:13:46 -0700 (PDT) Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.76) (envelope-from ) id 1VHYRM-0001GZ-QT for xfs@oss.sgi.com; Thu, 05 Sep 2013 22:13:36 +1000 Received: from dave by disappointment with local (Exim 4.80) (envelope-from ) id 1VHYRM-0004F1-PE for xfs@oss.sgi.com; Thu, 05 Sep 2013 22:13:36 +1000 From: Dave Chinner Subject: [RFC PATCH 12/12] db: re-enable write support for v5 filesystems. Date: Thu, 5 Sep 2013 22:13:33 +1000 Message-Id: <1378383213-16155-13-git-send-email-david@fromorbit.com> In-Reply-To: <1378383213-16155-1-git-send-email-david@fromorbit.com> References: <1378383213-16155-1-git-send-email-david@fromorbit.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com From: Dave Chinner As we can now verify and recalculate CRCs on IO, we can modify the on-disk structures without corrupting the filesyste, This makes it safe to turn write support on for v5 filesystems for the first time. Signed-off-by: Dave Chinner --- db/init.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/db/init.c b/db/init.c index b1cddca..a9b357b 100644 --- a/db/init.c +++ b/db/init.c @@ -143,21 +143,6 @@ init( exit(EXIT_FAILURE); } - /* - * Don't allow modifications to CRC enabled filesystems until we support - * CRC recalculation in the IO path. Unless, of course, the user is in - * the process of hitting us with a big hammer. - */ - if (XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_5 && - !(x.isreadonly & LIBXFS_ISREADONLY)) { - fprintf(stderr, - _("%s: modifications to %s are not supported in thi version.\n" - "Use \"-r\" to run %s in read-only mode on this filesystem .\n"), - progname, fsdevice, progname); - if (!force) - exit(EXIT_FAILURE); - } - mp = libxfs_mount(&xmount, sbp, x.ddev, x.logdev, x.rtdev, LIBXFS_MOUNT_ROOTINOS | LIBXFS_MOUNT_DEBUGGER); if (!mp) { -- 1.8.3.2 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs