From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:17114 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756745AbcI1C42 (ORCPT ); Tue, 27 Sep 2016 22:56:28 -0400 Subject: [PATCH 26/63] xfs: add reflink feature flag to geometry From: "Darrick J. Wong" Date: Tue, 27 Sep 2016 19:56:24 -0700 Message-ID: <147503138451.30303.14286196572651173300.stgit@birch.djwong.org> In-Reply-To: <147503120985.30303.14151302091684456858.stgit@birch.djwong.org> References: <147503120985.30303.14151302091684456858.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org Report the reflink feature in the XFS geometry so that xfs_info and friends know the filesystem has this feature. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_fs.h | 3 ++- fs/xfs/xfs_fsops.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 7945505..6f4f2c3 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -206,7 +206,8 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ -#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */ +#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ +#define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ /* * Minimum and maximum sizes need for growth checks. diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 4b4059b..3acbf4e0 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -108,7 +108,9 @@ xfs_fs_geometry( (xfs_sb_version_hassparseinodes(&mp->m_sb) ? XFS_FSOP_GEOM_FLAGS_SPINODES : 0) | (xfs_sb_version_hasrmapbt(&mp->m_sb) ? - XFS_FSOP_GEOM_FLAGS_RMAPBT : 0); + XFS_FSOP_GEOM_FLAGS_RMAPBT : 0) | + (xfs_sb_version_hasreflink(&mp->m_sb) ? + XFS_FSOP_GEOM_FLAGS_REFLINK : 0); geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ? mp->m_sb.sb_logsectsize : BBSIZE; geo->rtsectsize = mp->m_sb.sb_blocksize;