diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 0537b1f..0ed0f29 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -116,9 +116,12 @@
 	uint			m_bmap_dmnr[2];	/* min bmap btree records */
 	uint			m_inobt_mxr[2];	/* max inobt btree records */
 	uint			m_inobt_mnr[2];	/* min inobt btree records */
+	uint			m_rmap_mxr[2];	/* max rmap btree records */
+	uint			m_rmap_mnr[2];	/* min rmap btree records */
 	uint			m_ag_maxlevels;	/* XFS_AG_MAXLEVELS */
 	uint			m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */
 	uint			m_in_maxlevels;	/* max inobt btree levels. */
+	uint			m_rmap_maxlevels; /* max rmap btree levels */
 	xfs_extlen_t		m_ag_prealloc_blocks; /* reserved ag blocks */
 	struct radix_tree_root	m_perag_tree;	/* per-ag accounting info */
 	spinlock_t		m_perag_lock;	/* lock for m_perag_tree */