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 4E5267FAC for ; Wed, 13 Nov 2013 00:41:25 -0600 (CST) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 221DF304067 for ; Tue, 12 Nov 2013 22:41:25 -0800 (PST) Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id iGjex7KZ4R08ZuA0 for ; Tue, 12 Nov 2013 22:41:23 -0800 (PST) Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.76) (envelope-from ) id 1VgU8O-0005by-CL for xfs@oss.sgi.com; Wed, 13 Nov 2013 17:41:04 +1100 Received: from dave by disappointment with local (Exim 4.80) (envelope-from ) id 1VgU8O-0006jV-B1 for xfs@oss.sgi.com; Wed, 13 Nov 2013 17:41:04 +1100 From: Dave Chinner Subject: [PATCH 27/36] db: re-enable write support for v5 filesystems. Date: Wed, 13 Nov 2013 17:40:51 +1100 Message-Id: <1384324860-25677-28-git-send-email-david@fromorbit.com> In-Reply-To: <1384324860-25677-1-git-send-email-david@fromorbit.com> References: <1384324860-25677-1-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 Reviewed-by: Christoph Hellwig --- db/init.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/db/init.c b/db/init.c index 2dc7c87..25108ad 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_DEBUGGER); if (!mp) { -- 1.8.4.rc3 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs