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authorDarrick J. Wong <darrick.wong@oracle.com>2016-10-03 18:11:47 +0200
committerDarrick J. Wong <darrick.wong@oracle.com>2016-10-06 01:26:29 +0200
commit0e07c039bac5f6ce7e3bc512ab9efb4aaa76da94 (patch)
tree955c79cb97ffb167d03ed0fa82c8ebbc248b1d69 /fs/xfs
parentxfs: increase log reservations for reflink (diff)
downloadlinux-0e07c039bac5f6ce7e3bc512ab9efb4aaa76da94.tar.xz
linux-0e07c039bac5f6ce7e3bc512ab9efb4aaa76da94.zip
xfs: add shared rmap map/unmap/convert log item types
Wire up some rmap log redo item type codes to map, unmap, or convert shared data block extents. The actual log item recovery comes in a later patch. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/libxfs/xfs_log_format.h3
-rw-r--r--fs/xfs/xfs_rmap_item.c3
-rw-r--r--fs/xfs/xfs_trans_rmap.c9
3 files changed, 15 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h
index 364ce6fcc213..083cdd6d6c28 100644
--- a/fs/xfs/libxfs/xfs_log_format.h
+++ b/fs/xfs/libxfs/xfs_log_format.h
@@ -635,8 +635,11 @@ struct xfs_map_extent {
/* rmap me_flags: upper bits are flags, lower byte is type code */
#define XFS_RMAP_EXTENT_MAP 1
+#define XFS_RMAP_EXTENT_MAP_SHARED 2
#define XFS_RMAP_EXTENT_UNMAP 3
+#define XFS_RMAP_EXTENT_UNMAP_SHARED 4
#define XFS_RMAP_EXTENT_CONVERT 5
+#define XFS_RMAP_EXTENT_CONVERT_SHARED 6
#define XFS_RMAP_EXTENT_ALLOC 7
#define XFS_RMAP_EXTENT_FREE 8
#define XFS_RMAP_EXTENT_TYPE_MASK 0xFF
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 0432a459871c..19d817e3e1d9 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -441,8 +441,11 @@ xfs_rui_recover(
XFS_FSB_TO_DADDR(mp, rmap->me_startblock));
switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) {
case XFS_RMAP_EXTENT_MAP:
+ case XFS_RMAP_EXTENT_MAP_SHARED:
case XFS_RMAP_EXTENT_UNMAP:
+ case XFS_RMAP_EXTENT_UNMAP_SHARED:
case XFS_RMAP_EXTENT_CONVERT:
+ case XFS_RMAP_EXTENT_CONVERT_SHARED:
case XFS_RMAP_EXTENT_ALLOC:
case XFS_RMAP_EXTENT_FREE:
op_ok = true;
diff --git a/fs/xfs/xfs_trans_rmap.c b/fs/xfs/xfs_trans_rmap.c
index 5a50ef881568..9ead064b5e90 100644
--- a/fs/xfs/xfs_trans_rmap.c
+++ b/fs/xfs/xfs_trans_rmap.c
@@ -48,12 +48,21 @@ xfs_trans_set_rmap_flags(
case XFS_RMAP_MAP:
rmap->me_flags |= XFS_RMAP_EXTENT_MAP;
break;
+ case XFS_RMAP_MAP_SHARED:
+ rmap->me_flags |= XFS_RMAP_EXTENT_MAP_SHARED;
+ break;
case XFS_RMAP_UNMAP:
rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP;
break;
+ case XFS_RMAP_UNMAP_SHARED:
+ rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP_SHARED;
+ break;
case XFS_RMAP_CONVERT:
rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT;
break;
+ case XFS_RMAP_CONVERT_SHARED:
+ rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT_SHARED;
+ break;
case XFS_RMAP_ALLOC:
rmap->me_flags |= XFS_RMAP_EXTENT_ALLOC;
break;