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Diffstat (limited to 'fs/xfs/libxfs/xfs_format.h')
-rw-r--r--fs/xfs/libxfs/xfs_format.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 4d47a3e723aa..469fc7afa591 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1726,6 +1726,16 @@ typedef __be32 xfs_rmap_ptr_t;
XFS_IBT_BLOCK(mp) + 1)
/*
+ * Realtime Reverse mapping btree format definitions
+ *
+ * This is a btree for reverse mapping records for realtime volumes
+ */
+#define XFS_RTRMAP_CRC_MAGIC 0x4d415052 /* 'MAPR' */
+
+/* inode-based btree pointer type */
+typedef __be64 xfs_rtrmap_ptr_t;
+
+/*
* Reference Count Btree format definitions
*
*/