diff -r 954bbadc2ca4 -r 3411fd5f1589 usr/src/lib/libzfs/common/libzfs_pool.c
--- a/usr/src/lib/libzfs/common/libzfs_pool.c	Mon Jan 23 07:43:36 2012 -0800
+++ b/usr/src/lib/libzfs/common/libzfs_pool.c	Mon Jan 23 18:15:55 2012 -0800
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 #include <ctype.h>
@@ -273,6 +273,7 @@
 		case ZPOOL_PROP_SIZE:
 		case ZPOOL_PROP_ALLOCATED:
 		case ZPOOL_PROP_FREE:
+		case ZPOOL_PROP_EXPANDSZ:
 			(void) zfs_nicenum(intval, buf, len);
 			break;
 
@@ -360,8 +361,8 @@
 	return (B_FALSE);
 }
 
-static boolean_t
-pool_is_bootable(zpool_handle_t *zhp)
+boolean_t
+zpool_is_bootable(zpool_handle_t *zhp)
 {
 	char bootfs[ZPOOL_MAXNAMELEN];
 
@@ -1094,7 +1095,7 @@
 		return (zfs_error(hdl, EZFS_BADVERSION, msg));
 	}
 
-	if (pool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot,
+	if (zpool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot,
 	    ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) {
 		uint64_t s;
 
@@ -2378,7 +2379,7 @@
 	uint_t children;
 	nvlist_t *config_root;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
-	boolean_t rootpool = pool_is_bootable(zhp);
+	boolean_t rootpool = zpool_is_bootable(zhp);
 
 	if (replacing)
 		(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
@@ -3010,6 +3011,26 @@
 }
 
 /*
+ * Reopen the pool.
+ */
+int
+zpool_reopen(zpool_handle_t *zhp)
+{
+	zfs_cmd_t zc = { 0 };
+	char msg[1024];
+	libzfs_handle_t *hdl = zhp->zpool_hdl;
+
+	(void) snprintf(msg, sizeof (msg),
+	    dgettext(TEXT_DOMAIN, "cannot reopen '%s'"),
+	    zhp->zpool_name);
+
+	(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
+	if (zfs_ioctl(hdl, ZFS_IOC_POOL_REOPEN, &zc) == 0)
+		return (0);
+	return (zpool_standard_error(hdl, errno, msg));
+}
+
+/*
  * Convert from a devid string to a path.
  */
 static char *
@@ -3642,7 +3663,7 @@
 	if (zhp) {
 		nvlist_t *nvroot;
 
-		if (pool_is_bootable(zhp)) {
+		if (zpool_is_bootable(zhp)) {
 			zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
 			    "EFI labeled devices are not supported on root "
 			    "pools."));