diff --git a/repair/rmap.c b/repair/rmap.c
index f58773c..f34e423 100644
--- a/repair/rmap.c
+++ b/repair/rmap.c
@@ -46,6 +46,13 @@
 	struct xfs_slab		*ar_refcount_items;
 };
 
+/* Only the parts of struct xfs_rmap_irec that we need to compute refcounts. */
+struct rmap_for_refcount {
+	xfs_agblock_t	rm_startblock;
+	xfs_extlen_t	rm_blockcount;
+	uint64_t	rm_owner;
+};
+
 static struct xfs_ag_rmap *ag_rmaps;
 bool rmapbt_suspect;
 static bool refcbt_suspect;
@@ -777,16 +784,14 @@
 rmap_dump(
 	const char		*msg,
 	xfs_agnumber_t		agno,
-	struct xfs_rmap_irec	*rmap)
+	const struct rmap_for_refcount *rfr)
 {
-	printf("%s: %p agno=%u pblk=%llu own=%lld lblk=%llu len=%u flags=0x%x\n",
-		msg, rmap,
+	printf("%s: %p agno=%u agbno=%llu owner=%lld fsbcount=%u\n",
+		msg, rfr,
 		(unsigned int)agno,
-		(unsigned long long)rmap->rm_startblock,
-		(unsigned long long)rmap->rm_owner,
-		(unsigned long long)rmap->rm_offset,
-		(unsigned int)rmap->rm_blockcount,
-		(unsigned int)rmap->rm_flags);
+		(unsigned long long)rfr->rm_startblock,
+		(unsigned long long)rfr->rm_owner,
+		(unsigned int)rfr->rm_blockcount);
 }
 #else
 # define rmap_dump(m, a, r)
@@ -865,30 +870,33 @@
  */
 static void
 mark_inode_rl(
-	struct xfs_mount		*mp,
+	struct xfs_mount	*mp,
 	struct xfs_bag		*rmaps)
 {
-	xfs_agnumber_t		iagno;
-	struct xfs_rmap_irec	*rmap;
+	struct rmap_for_refcount *rfr;
 	struct ino_tree_node	*irec;
 	int			off;
 	uint64_t		idx;
-	xfs_agino_t		ino;
 
 	if (bag_count(rmaps) < 2)
 		return;
 
 	/* Reflink flag accounting */
-	foreach_bag_ptr(rmaps, idx, rmap) {
-		ASSERT(!XFS_RMAP_NON_INODE_OWNER(rmap->rm_owner));
-		iagno = XFS_INO_TO_AGNO(mp, rmap->rm_owner);
-		ino = XFS_INO_TO_AGINO(mp, rmap->rm_owner);
-		pthread_mutex_lock(&ag_locks[iagno].lock);
-		irec = find_inode_rec(mp, iagno, ino);
-		off = get_inode_offset(mp, rmap->rm_owner, irec);
+	foreach_bag_ptr(rmaps, idx, rfr) {
+		xfs_agnumber_t	agno;
+		xfs_agino_t	agino;
+
+		ASSERT(!XFS_RMAP_NON_INODE_OWNER(rfr->rm_owner));
+
+		agno = XFS_INO_TO_AGNO(mp, rfr->rm_owner);
+		agino = XFS_INO_TO_AGINO(mp, rfr->rm_owner);
+
+		pthread_mutex_lock(&ag_locks[agno].lock);
+		irec = find_inode_rec(mp, agno, agino);
+		off = get_inode_offset(mp, rfr->rm_owner, irec);
 		/* lock here because we might go outside this ag */
 		set_inode_is_rl(irec, off);
-		pthread_mutex_unlock(&ag_locks[iagno].lock);
+		pthread_mutex_unlock(&ag_locks[agno].lock);
 	}
 }
 
@@ -996,15 +1004,15 @@
 	bool			next_valid,
 	xfs_agblock_t		*nbnop)
 {
-	struct xfs_rmap_irec	*rmap;
+	struct rmap_for_refcount *rfr;
 	uint64_t		idx;
 	xfs_agblock_t		nbno = NULLAGBLOCK;
 
 	if (next_valid)
 		nbno = next_rmap->rm_startblock;
 
-	foreach_bag_ptr(stack_top, idx, rmap)
-		nbno = min(nbno, RMAP_NEXT(rmap));
+	foreach_bag_ptr(stack_top, idx, rfr)
+		nbno = min(nbno, RMAP_NEXT(rfr));
 
 	/*
 	 * We should have found /something/ because either next_rrm is the next
@@ -1039,8 +1047,14 @@
 	int			error;
 
 	while (*have && irec->rm_startblock == bno) {
-		rmap_dump(tag, agno, irec);
-		error = bag_add(stack_top, irec);
+		struct rmap_for_refcount	rfr = {
+			.rm_startblock		= irec->rm_startblock,
+			.rm_blockcount		= irec->rm_blockcount,
+			.rm_owner		= irec->rm_owner,
+		};
+
+		rmap_dump(tag, agno, &rfr);
+		error = bag_add(stack_top, &rfr);
 		if (error)
 			return error;
 		error = refcount_walk_rmaps(rmcur, irec, have);
@@ -1069,7 +1083,7 @@
 	struct xfs_btree_cur	*rmcur;
 	struct xfs_rmap_irec	irec;
 	struct xfs_bag		*stack_top = NULL;
-	struct xfs_rmap_irec	*rmap;
+	struct rmap_for_refcount *rfr;
 	uint64_t		idx;
 	uint64_t		old_stack_nr;
 	xfs_agblock_t		sbno;	/* first bno of this rmap set */
@@ -1085,7 +1099,7 @@
 	if (error)
 		return error;
 
-	error = init_bag(&stack_top, sizeof(struct xfs_rmap_irec));
+	error = init_bag(&stack_top, sizeof(struct rmap_for_refcount));
 	if (error)
 		goto out_cur;
 
@@ -1122,10 +1136,10 @@
 		/* While stack isn't empty... */
 		while (bag_count(stack_top)) {
 			/* Pop all rmaps that end at nbno */
-			foreach_bag_ptr_reverse(stack_top, idx, rmap) {
-				if (RMAP_NEXT(rmap) != nbno)
+			foreach_bag_ptr_reverse(stack_top, idx, rfr) {
+				if (RMAP_NEXT(rfr) != nbno)
 					continue;
-				rmap_dump("pop", agno, rmap);
+				rmap_dump("pop", agno, rfr);
 				error = bag_remove(stack_top, idx);
 				if (error)
 					goto out_bag;