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65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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#ifndef _SYS_DMU_TRAVERSE_H
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#define _SYS_DMU_TRAVERSE_H
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#include <sys/zfs_context.h>
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#include <sys/spa.h>
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#include <sys/zio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct dnode_phys;
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struct dsl_dataset;
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struct zilog;
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struct arc_buf;
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typedef int (blkptr_cb_t)(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
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struct arc_buf *pbuf, const zbookmark_t *zb, const struct dnode_phys *dnp,
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void *arg);
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#define TRAVERSE_PRE (1<<0)
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#define TRAVERSE_POST (1<<1)
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#define TRAVERSE_PREFETCH_METADATA (1<<2)
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#define TRAVERSE_PREFETCH_DATA (1<<3)
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#define TRAVERSE_PREFETCH (TRAVERSE_PREFETCH_METADATA | TRAVERSE_PREFETCH_DATA)
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#define TRAVERSE_HARD (1<<4)
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/* Special traverse error return value to indicate skipping of children */
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#define TRAVERSE_VISIT_NO_CHILDREN -1
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int traverse_dataset(struct dsl_dataset *ds,
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uint64_t txg_start, int flags, blkptr_cb_t func, void *arg);
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int traverse_pool(spa_t *spa,
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uint64_t txg_start, int flags, blkptr_cb_t func, void *arg);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_DMU_TRAVERSE_H */
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