| /* |
| * 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. |
| * Copyright (c) 2012, 2014 by Delphix. 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, |
| const zbookmark_phys_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) |
| |
| /* |
| * Encrypted dnode blocks have encrypted bonus buffers while the rest |
| * of the dnode is left unencrypted. Callers can specify the |
| * TRAVERSE_NO_DECRYPT flag to indicate to the traversal code that |
| * they wish to receive the raw encrypted dnodes instead of attempting |
| * to read the logical data. |
| */ |
| #define TRAVERSE_NO_DECRYPT (1<<5) |
| |
| /* 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_dataset_resume(struct dsl_dataset *ds, uint64_t txg_start, |
| zbookmark_phys_t *resume, int flags, blkptr_cb_t func, void *arg); |
| int traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr, |
| uint64_t txg_start, zbookmark_phys_t *resume, 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 */ |