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-rw-r--r--uts/common/fs/zfs/sys/dmu_traverse.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/uts/common/fs/zfs/sys/dmu_traverse.h b/uts/common/fs/zfs/sys/dmu_traverse.h
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+++ b/uts/common/fs/zfs/sys/dmu_traverse.h
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+/*
+ * 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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+#ifndef _SYS_DMU_TRAVERSE_H
+#define _SYS_DMU_TRAVERSE_H
+
+#include <sys/zfs_context.h>
+#include <sys/spa.h>
+#include <sys/zio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct dnode_phys;
+struct dsl_dataset;
+struct zilog;
+struct arc_buf;
+
+typedef int (blkptr_cb_t)(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
+ struct arc_buf *pbuf, const zbookmark_t *zb, const struct dnode_phys *dnp,
+ void *arg);
+
+#define TRAVERSE_PRE (1<<0)
+#define TRAVERSE_POST (1<<1)
+#define TRAVERSE_PREFETCH_METADATA (1<<2)
+#define TRAVERSE_PREFETCH_DATA (1<<3)
+#define TRAVERSE_PREFETCH (TRAVERSE_PREFETCH_METADATA | TRAVERSE_PREFETCH_DATA)
+#define TRAVERSE_HARD (1<<4)
+
+/* Special traverse error return value to indicate skipping of children */
+#define TRAVERSE_VISIT_NO_CHILDREN -1
+
+int traverse_dataset(struct dsl_dataset *ds,
+ uint64_t txg_start, int flags, blkptr_cb_t func, void *arg);
+int traverse_pool(spa_t *spa,
+ uint64_t txg_start, int flags, blkptr_cb_t func, void *arg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_DMU_TRAVERSE_H */