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From: Dave Chinner <david@fromorbit.com>
To: xfs@oss.sgi.com
Subject: [PATCH 20/20] xfs: enable the rmap btree functionality
Date: Wed,  3 Jun 2015 16:04:57 +1000	[thread overview]
Message-ID: <1433311497-10245-21-git-send-email-david@fromorbit.com> (raw)
In-Reply-To: <1433311497-10245-1-git-send-email-david@fromorbit.com>

From: Dave Chinner <dchinner@redhat.com>

Add the feature flag to the supported matrix so that the kernel can
mount and use rmap btree enabled filesystems

Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/libxfs/xfs_format.h | 3 ++-
 fs/xfs/libxfs/xfs_sb.c     | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index cd61ce9..9cff517 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -447,7 +447,8 @@ xfs_sb_has_compat_feature(
 #define XFS_SB_FEAT_RO_COMPAT_FINOBT   (1 << 0)		/* free inode btree */
 #define XFS_SB_FEAT_RO_COMPAT_RMAPBT   (1 << 1)		/* reverse map btree */
 #define XFS_SB_FEAT_RO_COMPAT_ALL \
-		(XFS_SB_FEAT_RO_COMPAT_FINOBT)
+		(XFS_SB_FEAT_RO_COMPAT_FINOBT | \
+		 XFS_SB_FEAT_RO_COMPAT_RMAPBT)
 #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN	~XFS_SB_FEAT_RO_COMPAT_ALL
 static inline bool
 xfs_sb_has_ro_compat_feature(
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index c136abd..5fb5410 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -196,6 +196,12 @@ xfs_mount_validate_sb(
 		}
 	}
 
+	if (xfs_sb_version_hasrmapbt(sbp)) {
+		xfs_alert(mp,
+"EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!");
+	}
+
+
 	if (unlikely(
 	    sbp->sb_logstart == 0 && mp->m_logdev_targp == mp->m_ddev_targp)) {
 		xfs_warn(mp,
-- 
2.0.0

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      parent reply	other threads:[~2015-06-03  6:05 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-03  6:04 [RFC PATCH 00/20] xfs: reverse mapping btree support Dave Chinner
2015-06-03  6:04 ` [PATCH 01/20] xfs: xfs_alloc_fix_freelist() can use incore perag structures Dave Chinner
2015-06-15 14:57   ` Brian Foster
2015-06-03  6:04 ` [PATCH 02/20] xfs: factor out free space extent length check Dave Chinner
2015-06-15 14:58   ` Brian Foster
2015-06-03  6:04 ` [PATCH 03/20] xfs: sanitise error handling in xfs_alloc_fix_freelist Dave Chinner
2015-06-15 14:58   ` Brian Foster
2015-06-15 21:51     ` Dave Chinner
2015-06-16 11:27       ` Brian Foster
2015-06-22  0:10         ` Dave Chinner
2015-06-03  6:04 ` [PATCH 04/20] xfs: clean up XFS_MIN_FREELIST macros Dave Chinner
2015-06-15 14:58   ` Brian Foster
2015-06-03  6:04 ` [PATCH 05/20] xfs: introduce rmap btree definitions Dave Chinner
2015-06-03  6:30   ` Darrick J. Wong
2015-06-03  6:34     ` Darrick J. Wong
2015-06-03  6:04 ` [PATCH 06/20] xfs: add rmap btree stats infrastructure Dave Chinner
2015-06-03  6:04 ` [PATCH 07/20] xfs: rmap btree add more reserved blocks Dave Chinner
2015-06-03  6:04 ` [PATCH 08/20] xfs: add owner field to extent allocation and freeing Dave Chinner
2015-06-24 19:09   ` Brian Foster
2015-06-24 21:13     ` Dave Chinner
2015-06-25 13:03       ` Brian Foster
2015-06-03  6:04 ` [PATCH 09/20] xfs: introduce rmap extent operation stubs Dave Chinner
2015-06-03  6:04 ` [PATCH 10/20] xfs: define the on-disk rmap btree format Dave Chinner
2015-06-03  6:04 ` [PATCH 11/20] xfs: add rmap btree growfs support Dave Chinner
2015-06-03  6:04 ` [PATCH 12/20] xfs: rmap btree transaction reservations Dave Chinner
2015-06-03  6:04 ` [PATCH 13/20] xfs: rmap btree requires more reserved free space Dave Chinner
2015-06-25 16:41   ` Brian Foster
2015-07-10  0:37     ` Dave Chinner
2015-06-03  6:04 ` [PATCH 14/20] xfs: add rmap btree operations Dave Chinner
2015-06-03  6:04 ` [PATCH 15/20] xfs: add an extent to the rmap btree Dave Chinner
2015-06-25 16:41   ` Brian Foster
2015-07-10  0:39     ` Dave Chinner
2015-06-03  6:04 ` [PATCH 16/20] xfs: remove an extent from " Dave Chinner
2015-06-03  6:04 ` [PATCH 17/20] xfs: add rmap btree geometry feature flag Dave Chinner
2015-06-03  6:04 ` [PATCH 18/20] xfs: add rmap btree block detection to log recovery Dave Chinner
2015-06-03  6:04 ` [PATCH 19/20] xfs: disable XFS_IOC_SWAPEXT when rmap btree is enabled Dave Chinner
2015-06-03  6:04 ` Dave Chinner [this message]

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