From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:50624 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753338AbeBASvx (ORCPT ); Thu, 1 Feb 2018 13:51:53 -0500 Date: Thu, 1 Feb 2018 12:51:51 -0600 From: Bill O'Donnell Subject: Re: [PATCH] xfs: don't allow reflink + realtime filesystems Message-ID: <20180201185151.GA30056@redhat.com> References: <20180201005709.GM4849@magnolia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180201005709.GM4849@magnolia> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: "Darrick J. Wong" Cc: xfs On Wed, Jan 31, 2018 at 04:57:09PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong > > We don't support realtime filesystems with reflink either, so fail > those mounts. > > Signed-off-by: Darrick J. Wong Reviewed-by: Bill O'Donnell > --- > fs/xfs/xfs_super.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > index a83a9f0..7aba628 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -1684,6 +1684,13 @@ xfs_fs_fill_super( > } > } > > + if (xfs_sb_version_hasreflink(&mp->m_sb) && mp->m_sb.sb_rblocks) { > + xfs_alert(mp, > + "reflink not compatible with realtime device!"); > + error = -EINVAL; > + goto out_filestream_unmount; > + } > + > if (xfs_sb_version_hasrmapbt(&mp->m_sb) && mp->m_sb.sb_rblocks) { > xfs_alert(mp, > "reverse mapping btree not compatible with realtime device!"); > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html