Move the world out of /zfs/ and seperate out module build tree

1 files changed, 65 insertions, 0 deletions

diff --git a/module/zcommon/zfs_comutil.c b/module/zcommon/zfs_comutil.c
new file mode 100644
index 000000000..74517a3f6
--- /dev/null
+++ b/module/zcommon/zfs_comutil.c
@@ -0,0 +1,65 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * This file is intended for functions that ought to be common between user
+ * land (libzfs) and the kernel. When many common routines need to be shared
+ * then a separate file should to be created.
+ */
+
+#if defined(_KERNEL)
+#include <sys/systm.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/fs/zfs.h>
+#include <sys/nvpair.h>
+
+/*
+ * Are there allocatable vdevs?
+ */
+boolean_t
+zfs_allocatable_devs(nvlist_t *nv)
+{
+	uint64_t is_log;
+	uint_t c;
+	nvlist_t **child;
+	uint_t children;
+
+	if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+	    &child, &children) != 0) {
+		return (B_FALSE);
+	}
+	for (c = 0; c < children; c++) {
+		is_log = 0;
+		(void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+		    &is_log);
+		if (!is_log)
+			return (B_TRUE);
+	}
+	return (B_FALSE);
+}