From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ipmail07.adl2.internode.on.net ([150.101.137.131]:13772 "EHLO ipmail07.adl2.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752363AbcIHBin (ORCPT ); Wed, 7 Sep 2016 21:38:43 -0400 Date: Thu, 8 Sep 2016 11:38:38 +1000 From: Dave Chinner Subject: Re: [PATCH 7/7] xfsdocs: document the realtime reverse mapping btree Message-ID: <20160908013838.GT30056@dastard> References: <147216761636.32447.4229640006064129056.stgit@birch.djwong.org> <147216766221.32447.9777486170830928374.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <147216766221.32447.9777486170830928374.stgit@birch.djwong.org> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: "Darrick J. Wong" Cc: linux-xfs@vger.kernel.org, xfs@oss.sgi.com On Thu, Aug 25, 2016 at 04:27:42PM -0700, Darrick J. Wong wrote: > Signed-off-by: Darrick J. Wong > --- > .../allocation_groups.asciidoc | 8 + > design/XFS_Filesystem_Structure/docinfo.xml | 14 + > .../internal_inodes.asciidoc | 2 > design/XFS_Filesystem_Structure/magic.asciidoc | 1 > .../XFS_Filesystem_Structure/ondisk_inode.asciidoc | 6 - > design/XFS_Filesystem_Structure/rtrmapbt.asciidoc | 234 ++++++++++++++++++++ > 6 files changed, 263 insertions(+), 2 deletions(-) > create mode 100644 design/XFS_Filesystem_Structure/rtrmapbt.asciidoc > > > diff --git a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc > index cafa8b7..7ba636a 100644 > --- a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc > +++ b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc > @@ -105,6 +105,7 @@ struct xfs_sb > xfs_ino_t sb_pquotino; > xfs_lsn_t sb_lsn; > uuid_t sb_meta_uuid; > + xfs_ino_t sb_rrmapino; > }; > ---- > *sb_magicnum*:: > @@ -449,6 +450,13 @@ If the +XFS_SB_FEAT_INCOMPAT_META_UUID+ feature is set, then the UUID field in > all metadata blocks must match this UUID. If not, the block header UUID field > must match +sb_uuid+. > > +*sb_rrmapino*:: > +If the +XFS_SB_FEAT_COMPAT_RMAPBT+ feature is set and a real-time XFS_SB_FEAT_RO_COMPAT_RMAPBT? (yes, I am reading these patches!) -Dave. -- Dave Chinner david@fromorbit.com