diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c
index bd0925c9a..976b1aca6 100644
--- a/libxfs/xfs_rtbitmap.c
+++ b/libxfs/xfs_rtbitmap.c
@@ -532,7 +532,7 @@ xfs_rtmodify_range(
 	xfs_mount_t	*mp,		/* file system mount point */
 	xfs_trans_t	*tp,		/* transaction pointer */
 	xfs_rtblock_t	start,		/* starting block to modify */
-	xfs_extlen_t	len,		/* length of extent to modify */
+	xfs_rtxlen_t	len,		/* length of extent to modify */
 	int		val)		/* 1 for free, 0 for allocated */
 {
 	xfs_rtword_t	*b;		/* current word in buffer */
@@ -688,7 +688,7 @@ xfs_rtfree_range(
 	xfs_mount_t	*mp,		/* file system mount point */
 	xfs_trans_t	*tp,		/* transaction pointer */
 	xfs_rtblock_t	start,		/* starting block to free */
-	xfs_extlen_t	len,		/* length to free */
+	xfs_rtxlen_t	len,		/* length to free */
 	struct xfs_buf	**rbpp,		/* in/out: summary block buffer */
 	xfs_fsblock_t	*rsb)		/* in/out: summary block number */
 {
@@ -764,7 +764,7 @@ xfs_rtcheck_range(
 	xfs_mount_t	*mp,		/* file system mount point */
 	xfs_trans_t	*tp,		/* transaction pointer */
 	xfs_rtblock_t	start,		/* starting block number of extent */
-	xfs_extlen_t	len,		/* length of extent */
+	xfs_rtxlen_t	len,		/* length of extent */
 	int		val,		/* 1 for free, 0 for allocated */
 	xfs_rtblock_t	*new,		/* out: first block not matching */
 	int		*stat)		/* out: 1 for matches, 0 for not */
@@ -940,7 +940,7 @@ xfs_rtcheck_alloc_range(
 	xfs_mount_t	*mp,		/* file system mount point */
 	xfs_trans_t	*tp,		/* transaction pointer */
 	xfs_rtblock_t	bno,		/* starting block number of extent */
-	xfs_extlen_t	len)		/* length of extent */
+	xfs_rtxlen_t	len)		/* length of extent */
 {
 	xfs_rtblock_t	new;		/* dummy for xfs_rtcheck_range */
 	int		stat;
@@ -963,7 +963,7 @@ int					/* error */
 xfs_rtfree_extent(
 	xfs_trans_t	*tp,		/* transaction pointer */
 	xfs_rtblock_t	bno,		/* starting block number to free */
-	xfs_extlen_t	len)		/* length of extent freed */
+	xfs_rtxlen_t	len)		/* length of extent freed */
 {
 	int		error;		/* error value */
 	xfs_mount_t	*mp;		/* file system mount structure */
@@ -1114,7 +1114,7 @@ xfs_rtalloc_extent_is_free(
 	struct xfs_mount		*mp,
 	struct xfs_trans		*tp,
 	xfs_rtblock_t			start,
-	xfs_extlen_t			len,
+	xfs_rtxlen_t			len,
 	bool				*is_free)
 {
 	xfs_rtblock_t			end;
diff --git a/libxfs/xfs_rtbitmap.h b/libxfs/xfs_rtbitmap.h
index 546dea34b..d44496101 100644
--- a/libxfs/xfs_rtbitmap.h
+++ b/libxfs/xfs_rtbitmap.h
@@ -26,7 +26,7 @@ typedef int (*xfs_rtalloc_query_range_fn)(
 int xfs_rtbuf_get(struct xfs_mount *mp, struct xfs_trans *tp,
 		  xfs_rtblock_t block, int issum, struct xfs_buf **bpp);
 int xfs_rtcheck_range(struct xfs_mount *mp, struct xfs_trans *tp,
-		      xfs_rtblock_t start, xfs_extlen_t len, int val,
+		      xfs_rtblock_t start, xfs_rtxlen_t len, int val,
 		      xfs_rtblock_t *new, int *stat);
 int xfs_rtfind_back(struct xfs_mount *mp, struct xfs_trans *tp,
 		    xfs_rtblock_t start, xfs_rtblock_t limit,
@@ -35,7 +35,7 @@ int xfs_rtfind_forw(struct xfs_mount *mp, struct xfs_trans *tp,
 		    xfs_rtblock_t start, xfs_rtblock_t limit,
 		    xfs_rtblock_t *rtblock);
 int xfs_rtmodify_range(struct xfs_mount *mp, struct xfs_trans *tp,
-		       xfs_rtblock_t start, xfs_extlen_t len, int val);
+		       xfs_rtblock_t start, xfs_rtxlen_t len, int val);
 int xfs_rtmodify_summary_int(struct xfs_mount *mp, struct xfs_trans *tp,
 			     int log, xfs_rtblock_t bbno, int delta,
 			     struct xfs_buf **rbpp, xfs_fsblock_t *rsb,
@@ -44,7 +44,7 @@ int xfs_rtmodify_summary(struct xfs_mount *mp, struct xfs_trans *tp, int log,
 			 xfs_rtblock_t bbno, int delta, struct xfs_buf **rbpp,
 			 xfs_fsblock_t *rsb);
 int xfs_rtfree_range(struct xfs_mount *mp, struct xfs_trans *tp,
-		     xfs_rtblock_t start, xfs_extlen_t len,
+		     xfs_rtblock_t start, xfs_rtxlen_t len,
 		     struct xfs_buf **rbpp, xfs_fsblock_t *rsb);
 int xfs_rtalloc_query_range(struct xfs_mount *mp, struct xfs_trans *tp,
 		const struct xfs_rtalloc_rec *low_rec,
@@ -53,9 +53,8 @@ int xfs_rtalloc_query_range(struct xfs_mount *mp, struct xfs_trans *tp,
 int xfs_rtalloc_query_all(struct xfs_mount *mp, struct xfs_trans *tp,
 			  xfs_rtalloc_query_range_fn fn,
 			  void *priv);
-bool xfs_verify_rtbno(struct xfs_mount *mp, xfs_rtblock_t rtbno);
 int xfs_rtalloc_extent_is_free(struct xfs_mount *mp, struct xfs_trans *tp,
-			       xfs_rtblock_t start, xfs_extlen_t len,
+			       xfs_rtblock_t start, xfs_rtxlen_t len,
 			       bool *is_free);
 /*
  * Free an extent in the realtime subvolume.  Length is expressed in
@@ -65,7 +64,7 @@ int					/* error */
 xfs_rtfree_extent(
 	struct xfs_trans	*tp,	/* transaction pointer */
 	xfs_rtblock_t		bno,	/* starting block number to free */
-	xfs_extlen_t		len);	/* length of extent freed */
+	xfs_rtxlen_t		len);	/* length of extent freed */
 
 /* Same as above, but in units of rt blocks. */
 int xfs_rtfree_blocks(struct xfs_trans *tp, xfs_fsblock_t rtbno,
diff --git a/libxfs/xfs_types.h b/libxfs/xfs_types.h
index 851220021..713cb7031 100644
--- a/libxfs/xfs_types.h
+++ b/libxfs/xfs_types.h
@@ -11,6 +11,7 @@ typedef uint32_t	prid_t;		/* project ID */
 typedef uint32_t	xfs_agblock_t;	/* blockno in alloc. group */
 typedef uint32_t	xfs_agino_t;	/* inode # within allocation grp */
 typedef uint32_t	xfs_extlen_t;	/* extent length in blocks */
+typedef uint32_t	xfs_rtxlen_t;	/* file extent length in rtextents */
 typedef uint32_t	xfs_agnumber_t;	/* allocation group number */
 typedef uint64_t	xfs_extnum_t;	/* # of extents in a file */
 typedef uint32_t	xfs_aextnum_t;	/* # extents in an attribute fork */
