xfs: add shared rmap map/unmap/convert log item types

Source kernel commit: 0e07c039bac5f6ce7e3bc512ab9efb4aaa76da94

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>

diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h
index cfd31a1bdbf8647384c707b115805a511509ed3c..7ae571f8e34ac738b9c1ed1d628e5bc17b0e7079 100644 (file)
--- a/libxfs/xfs_log_format.h
+++ b/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