Index: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
===================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
@@ -769,6 +769,7 @@
 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
 extern int zfs_mount(zfs_handle_t *, const char *, int);
+extern int zfs_mount_at(zfs_handle_t *, const char *, int, const char *);
 extern int zfs_unmount(zfs_handle_t *, const char *, int);
 extern int zfs_unmountall(zfs_handle_t *, int);
 
Index: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_mount.c
===================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_mount.c
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_mount.c
@@ -301,6 +301,17 @@
 	return (is_mounted(zhp->zfs_hdl, zfs_get_name(zhp), where));
 }
 
+static boolean_t
+zfs_is_mountable_internal(zfs_handle_t *zhp, const char *mountpoint)
+{
+
+	if (zfs_prop_get_int(zhp, ZFS_PROP_ZONED) &&
+	    getzoneid() == GLOBAL_ZONEID)
+		return (B_FALSE);
+
+	return (B_TRUE);
+}
+
 /*
  * Returns true if the given dataset is mountable, false otherwise.  Returns the
  * mountpoint in 'buf'.
@@ -325,8 +336,7 @@
 	if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_OFF)
 		return (B_FALSE);
 
-	if (zfs_prop_get_int(zhp, ZFS_PROP_ZONED) &&
-	    getzoneid() == GLOBAL_ZONEID)
+	if (!zfs_is_mountable_internal(zhp, buf))
 		return (B_FALSE);
 
 	if (source)
@@ -341,8 +351,19 @@
 int
 zfs_mount(zfs_handle_t *zhp, const char *options, int flags)
 {
-	struct stat buf;
 	char mountpoint[ZFS_MAXPROPLEN];
+
+	if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL))
+		return (0);
+
+	return (zfs_mount_at(zhp, options, flags, mountpoint));
+}
+
+int
+zfs_mount_at(zfs_handle_t *zhp, const char *options, int flags,
+    const char *mountpoint)
+{
+	struct stat buf;
 	char mntopts[MNT_LINE_MAX];
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
 
@@ -357,8 +378,8 @@
 	if (zpool_get_prop_int(zhp->zpool_hdl, ZPOOL_PROP_READONLY, NULL))
 		flags |= MS_RDONLY;
 
-	if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL))
-		return (0);
+	if (!zfs_is_mountable_internal(zhp, mountpoint))
+		return (B_FALSE);
 
 	/* Create the directory if it doesn't already exist */
 	if (lstat(mountpoint, &buf) != 0) {