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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 */