1168404Spjd/* 2168404Spjd * CDDL HEADER START 3168404Spjd * 4168404Spjd * The contents of this file are subject to the terms of the 5168404Spjd * Common Development and Distribution License (the "License"). 6168404Spjd * You may not use this file except in compliance with the License. 7168404Spjd * 8168404Spjd * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9168404Spjd * or http://www.opensolaris.org/os/licensing. 10168404Spjd * See the License for the specific language governing permissions 11168404Spjd * and limitations under the License. 12168404Spjd * 13168404Spjd * When distributing Covered Code, include this CDDL HEADER in each 14168404Spjd * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15168404Spjd * If applicable, add the following below this CDDL HEADER, with the 16168404Spjd * fields enclosed by brackets "[]" replaced with your own identifying 17168404Spjd * information: Portions Copyright [yyyy] [name of copyright owner] 18168404Spjd * 19168404Spjd * CDDL HEADER END 20168404Spjd */ 21168404Spjd/* 22219089Spjd * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23243674Smm * Copyright (c) 2012 by Delphix. All rights reserved. 24168404Spjd */ 25168404Spjd 26168404Spjd#ifndef _SYS_DMU_TRAVERSE_H 27168404Spjd#define _SYS_DMU_TRAVERSE_H 28168404Spjd 29168404Spjd#include <sys/zfs_context.h> 30168404Spjd#include <sys/spa.h> 31168404Spjd#include <sys/zio.h> 32168404Spjd 33168404Spjd#ifdef __cplusplus 34168404Spjdextern "C" { 35168404Spjd#endif 36168404Spjd 37208047Smmstruct dnode_phys; 38208047Smmstruct dsl_dataset; 39219089Spjdstruct zilog; 40219089Spjdstruct arc_buf; 41168404Spjd 42219089Spjdtypedef int (blkptr_cb_t)(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 43247406Smm const zbookmark_t *zb, const struct dnode_phys *dnp, void *arg); 44168404Spjd 45208047Smm#define TRAVERSE_PRE (1<<0) 46208047Smm#define TRAVERSE_POST (1<<1) 47208047Smm#define TRAVERSE_PREFETCH_METADATA (1<<2) 48208047Smm#define TRAVERSE_PREFETCH_DATA (1<<3) 49208047Smm#define TRAVERSE_PREFETCH (TRAVERSE_PREFETCH_METADATA | TRAVERSE_PREFETCH_DATA) 50219089Spjd#define TRAVERSE_HARD (1<<4) 51168404Spjd 52219089Spjd/* Special traverse error return value to indicate skipping of children */ 53219089Spjd#define TRAVERSE_VISIT_NO_CHILDREN -1 54168404Spjd 55219089Spjdint traverse_dataset(struct dsl_dataset *ds, 56219089Spjd uint64_t txg_start, int flags, blkptr_cb_t func, void *arg); 57243674Smmint traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr, 58243674Smm uint64_t txg_start, zbookmark_t *resume, int flags, 59243674Smm blkptr_cb_t func, void *arg); 60219089Spjdint traverse_pool(spa_t *spa, 61219089Spjd uint64_t txg_start, int flags, blkptr_cb_t func, void *arg); 62219089Spjd 63168404Spjd#ifdef __cplusplus 64168404Spjd} 65168404Spjd#endif 66168404Spjd 67168404Spjd#endif /* _SYS_DMU_TRAVERSE_H */ 68