--- a/usr/src/cmd/ztest/ztest.c Thu Feb 12 08:42:06 2009 -0800
+++ b/usr/src/cmd/ztest/ztest.c Thu Feb 12 13:03:03 2009 -0500
@@ -19,7 +19,7 @@
* CDDL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -92,6 +92,7 @@
#include <sys/vdev_file.h>
#include <sys/spa_impl.h>
#include <sys/dsl_prop.h>
+#include <sys/dsl_dataset.h>
#include <sys/refcount.h>
#include <stdio.h>
#include <stdio_ext.h>
@@ -170,6 +171,7 @@
ztest_func_t ztest_dsl_prop_get_set;
ztest_func_t ztest_dmu_objset_create_destroy;
ztest_func_t ztest_dmu_snapshot_create_destroy;
+ztest_func_t ztest_dsl_dataset_promote_busy;
ztest_func_t ztest_spa_create_destroy;
ztest_func_t ztest_fault_inject;
ztest_func_t ztest_spa_rename;
@@ -203,6 +205,7 @@
{ ztest_dsl_prop_get_set, 1, &zopt_sometimes },
{ ztest_dmu_objset_create_destroy, 1, &zopt_sometimes },
{ ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes },
+ { ztest_dsl_dataset_promote_busy, 1, &zopt_sometimes },
{ ztest_spa_create_destroy, 1, &zopt_sometimes },
{ ztest_fault_inject, 1, &zopt_sometimes },
{ ztest_spa_rename, 1, &zopt_rarely },
@@ -1434,6 +1437,109 @@
}
/*
+ * Verify dsl_dataset_promote handles EBUSY
+ */
+void
+ztest_dsl_dataset_promote_busy(ztest_args_t *za)
+{
+ int error;
+ objset_t *os = za->za_os;
+ objset_t *clone;
+ dsl_dataset_t *ds;
+ char snap1name[100];
+ char clone1name[100];
+ char snap2name[100];
+ char clone2name[100];
+ char snap3name[100];
+ char osname[MAXNAMELEN];
+ static uint64_t uniq = 0;
+ uint64_t curval;
+
+ curval = atomic_add_64_nv(&uniq, 5) - 5;
+
+ (void) rw_rdlock(&ztest_shared->zs_name_lock);
+
+ dmu_objset_name(os, osname);
+ (void) snprintf(snap1name, 100, "%s@s1_%llu", osname, curval++);
+ (void) snprintf(clone1name, 100, "%s/c1_%llu", osname, curval++);
+ (void) snprintf(snap2name, 100, "%s@s2_%llu", clone1name, curval++);
+ (void) snprintf(clone2name, 100, "%s/c2_%llu", osname, curval++);
+ (void) snprintf(snap3name, 100, "%s@s3_%llu", clone1name, curval++);
+
+ error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, FALSE);
+ if (error == ENOSPC)
+ ztest_record_enospc("dmu_take_snapshot");
+ else if (error != 0 && error != EEXIST)
+ fatal(0, "dmu_take_snapshot = %d", error);
+
+ error = dmu_objset_open(snap1name, DMU_OST_OTHER,
+ DS_MODE_USER | DS_MODE_READONLY, &clone);
+ if (error)
+ fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error);
+
+ error = dmu_objset_create(clone1name, DMU_OST_OTHER, clone, 0,
+ NULL, NULL);
+ if (error)
+ fatal(0, "dmu_objset_create(%s) = %d", clone1name, error);
+ dmu_objset_close(clone);
+
+ error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1,
+ FALSE);
+ if (error == ENOSPC)
+ ztest_record_enospc("dmu_take_snapshot");
+ else if (error != 0 && error != EEXIST)
+ fatal(0, "dmu_take_snapshot = %d", error);
+
+ error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1,
+ FALSE);
+ if (error == ENOSPC)
+ ztest_record_enospc("dmu_take_snapshot");
+ else if (error != 0 && error != EEXIST)
+ fatal(0, "dmu_take_snapshot = %d", error);
+
+ error = dmu_objset_open(snap3name, DMU_OST_OTHER,
+ DS_MODE_USER | DS_MODE_READONLY, &clone);
+ if (error)
+ fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error);
+
+ error = dmu_objset_create(clone2name, DMU_OST_OTHER, clone, 0,
+ NULL, NULL);
+ if (error)
+ fatal(0, "dmu_objset_create(%s) = %d", clone2name, error);
+ dmu_objset_close(clone);
+
+ error = dsl_dataset_own(snap1name, 0, FTAG, &ds);
+ if (error)
+ fatal(0, "dsl_dataset_own(%s) = %d", snap1name, error);
+ error = dsl_dataset_promote(clone2name);
+ if (error != EBUSY)
+ fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name,
+ error);
+ dsl_dataset_disown(ds, FTAG);
+
+ error = dmu_objset_destroy(clone2name);
+ if (error)
+ fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error);
+
+ error = dmu_objset_destroy(snap3name);
+ if (error)
+ fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error);
+
+ error = dmu_objset_destroy(snap2name);
+ if (error)
+ fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error);
+
+ error = dmu_objset_destroy(clone1name);
+ if (error)
+ fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error);
+ error = dmu_objset_destroy(snap1name);
+ if (error)
+ fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error);
+
+ (void) rw_unlock(&ztest_shared->zs_name_lock);
+}
+
+/*
* Verify that dmu_object_{alloc,free} work as expected.
*/
void