1 files changed, 26 insertions, 1 deletions
diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool_util.c b/cddl/contrib/opensolaris/cmd/zpool/zpool_util.c
index 8eb9c81..f44da4f 100644
--- a/cddl/contrib/opensolaris/cmd/zpool/zpool_util.c
+++ b/cddl/contrib/opensolaris/cmd/zpool/zpool_util.c
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -77,3 +77,28 @@ zpool_no_memory(void)
 	    gettext("internal error: out of memory\n"));
 	exit(1);
 }
+
+/*
+ * Return the number of logs in supplied nvlist
+ */
+uint_t
+num_logs(nvlist_t *nv)
+{
+	uint_t nlogs = 0;
+	uint_t c, children;
+	nvlist_t **child;
+
+	if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+	    &child, &children) != 0)
+		return (0);
+
+	for (c = 0; c < children; c++) {
+		uint64_t is_log = B_FALSE;
+
+		(void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+		    &is_log);
+		if (is_log)
+			nlogs++;
+	}
+	return (nlogs);
+}