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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
428870ff | 22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
5dbd68a3 | 23 | * Copyright (c) 2012, 2014 by Delphix. All rights reserved. |
34dc7c2f BB |
24 | */ |
25 | ||
b128c09f BB |
26 | #ifndef _SYS_DMU_TRAVERSE_H |
27 | #define _SYS_DMU_TRAVERSE_H | |
34dc7c2f | 28 | |
b128c09f BB |
29 | #include <sys/zfs_context.h> |
30 | #include <sys/spa.h> | |
31 | #include <sys/zio.h> | |
34dc7c2f BB |
32 | |
33 | #ifdef __cplusplus | |
34 | extern "C" { | |
35 | #endif | |
36 | ||
b128c09f BB |
37 | struct dnode_phys; |
38 | struct dsl_dataset; | |
428870ff BB |
39 | struct zilog; |
40 | struct arc_buf; | |
b128c09f | 41 | |
428870ff | 42 | typedef int (blkptr_cb_t)(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, |
5dbd68a3 | 43 | const zbookmark_phys_t *zb, const struct dnode_phys *dnp, void *arg); |
b128c09f BB |
44 | |
45 | #define TRAVERSE_PRE (1<<0) | |
46 | #define TRAVERSE_POST (1<<1) | |
47 | #define TRAVERSE_PREFETCH_METADATA (1<<2) | |
48 | #define TRAVERSE_PREFETCH_DATA (1<<3) | |
49 | #define TRAVERSE_PREFETCH (TRAVERSE_PREFETCH_METADATA | TRAVERSE_PREFETCH_DATA) | |
428870ff | 50 | #define TRAVERSE_HARD (1<<4) |
b128c09f | 51 | |
b5256303 TC |
52 | /* |
53 | * Encrypted dnode blocks have encrypted bonus buffers while the rest | |
54 | * of the dnode is left unencrypted. Callers can specify the | |
55 | * TRAVERSE_NO_DECRYPT flag to indicate to the traversal code that | |
56 | * they wish to receive the raw encrypted dnodes instead of attempting | |
57 | * to read the logical data. | |
58 | */ | |
59 | #define TRAVERSE_NO_DECRYPT (1<<5) | |
60 | ||
572e2857 BB |
61 | /* Special traverse error return value to indicate skipping of children */ |
62 | #define TRAVERSE_VISIT_NO_CHILDREN -1 | |
63 | ||
428870ff BB |
64 | int traverse_dataset(struct dsl_dataset *ds, |
65 | uint64_t txg_start, int flags, blkptr_cb_t func, void *arg); | |
47dfff3b MA |
66 | int traverse_dataset_resume(struct dsl_dataset *ds, uint64_t txg_start, |
67 | zbookmark_phys_t *resume, int flags, blkptr_cb_t func, void *arg); | |
9ae529ec | 68 | int traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr, |
5dbd68a3 | 69 | uint64_t txg_start, zbookmark_phys_t *resume, int flags, |
9ae529ec | 70 | blkptr_cb_t func, void *arg); |
428870ff BB |
71 | int traverse_pool(spa_t *spa, |
72 | uint64_t txg_start, int flags, blkptr_cb_t func, void *arg); | |
34dc7c2f BB |
73 | |
74 | #ifdef __cplusplus | |
75 | } | |
76 | #endif | |
77 | ||
b128c09f | 78 | #endif /* _SYS_DMU_TRAVERSE_H */ |