X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=module%2Fzfs%2Fzfs_ioctl.c;h=65b0a1975294c16e721731d6350316177ded714d;hb=0a6b03d3b87cf17ac6159395df93ba3fcfdddc45;hp=90ebb571166b0dd6612d043973335665aa1092cb;hpb=b129c6590e07edcc95f3b64ec210d94cf885c192;p=zfs.git

diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c
index 90ebb57..65b0a19 100644
--- a/module/zfs/zfs_ioctl.c
+++ b/module/zfs/zfs_ioctl.c
@@ -21,8 +21,13 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Portions Copyright 2011 Martin Matuska
+ * Portions Copyright 2012 Pawel Jakub Dawidek <pawel@dawidek.net>
  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
+/*
+ * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2011 by Delphix. All rights reserved.
+ */
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1427,6 +1432,20 @@ zfs_ioc_pool_get_history(zfs_cmd_t *zc)
 }
 
 static int
+zfs_ioc_pool_reguid(zfs_cmd_t *zc)
+{
+	spa_t *spa;
+	int error;
+
+	error = spa_open(zc->zc_name, &spa, FTAG);
+	if (error == 0) {
+		error = spa_change_guid(spa);
+		spa_close(spa, FTAG);
+	}
+	return (error);
+}
+
+static int
 zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc)
 {
 	int error;
@@ -1923,8 +1942,10 @@ top:
 		uint64_t cookie = 0;
 		int len = sizeof (zc->zc_name) - (p - zc->zc_name);
 
-		while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0)
-			(void) dmu_objset_prefetch(p, NULL);
+		while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) {
+			if (!dataset_name_hidden(zc->zc_name))
+				(void) dmu_objset_prefetch(zc->zc_name, NULL);
+		}
 	}
 
 	do {
@@ -1971,7 +1992,7 @@ zfs_ioc_snapshot_list_next(zfs_cmd_t *zc)
 	int error;
 
 top:
-	if (zc->zc_cookie == 0)
+	if (zc->zc_cookie == 0 && !zc->zc_simple)
 		(void) dmu_objset_find(zc->zc_name, dmu_objset_prefetch,
 		    NULL, DS_FIND_SNAPSHOTS);
 
@@ -1993,7 +2014,7 @@ top:
 	    zc->zc_name + strlen(zc->zc_name), &zc->zc_obj, &zc->zc_cookie,
 	    NULL);
 
-	if (error == 0) {
+	if (error == 0 && !zc->zc_simple) {
 		dsl_dataset_t *ds;
 		dsl_pool_t *dp = os->os_dsl_dataset->ds_dir->dd_pool;
 
@@ -4695,10 +4716,12 @@ static zfs_ioc_vec_t zfs_ioc_vec[] = {
 	    B_FALSE, POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY },
 	{ zfs_ioc_obj_to_stats, zfs_secpolicy_diff, DATASET_NAME, B_FALSE,
 	    POOL_CHECK_SUSPENDED },
+        { zfs_ioc_pool_reguid, zfs_secpolicy_config, POOL_NAME, B_TRUE,
+            POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY },
 	{ zfs_ioc_events_next, zfs_secpolicy_config, NO_NAME, B_FALSE,
 	    POOL_CHECK_NONE },
 	{ zfs_ioc_events_clear, zfs_secpolicy_config, NO_NAME, B_FALSE,
-	    POOL_CHECK_NONE },
+	    POOL_CHECK_NONE }
 };
 
 int