1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* CDDL HEADER START
*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2013, 2018 by Delphix. All rights reserved.
*/
#ifndef _SYS_DSL_BOOKMARK_H
#define _SYS_DSL_BOOKMARK_H
#include <sys/zfs_context.h>
#include <sys/refcount.h>
#include <sys/dsl_dataset.h>
#include <sys/dsl_pool.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* On disk zap object.
*/
typedef struct zfs_bookmark_phys {
uint64_t zbm_guid; /* guid of bookmarked dataset */
uint64_t zbm_creation_txg; /* birth transaction group */
uint64_t zbm_creation_time; /* bookmark creation time */
/* fields used for redacted send / recv */
uint64_t zbm_redaction_obj; /* redaction list object */
uint64_t zbm_flags; /* ZBM_FLAG_* */
/* fields used for bookmark written size */
uint64_t zbm_referenced_bytes_refd;
uint64_t zbm_compressed_bytes_refd;
uint64_t zbm_uncompressed_bytes_refd;
uint64_t zbm_referenced_freed_before_next_snap;
uint64_t zbm_compressed_freed_before_next_snap;
uint64_t zbm_uncompressed_freed_before_next_snap;
/* fields used for raw sends */
uint64_t zbm_ivset_guid;
} zfs_bookmark_phys_t;
#define BOOKMARK_PHYS_SIZE_V1 (3 * sizeof (uint64_t))
#define BOOKMARK_PHYS_SIZE_V2 (12 * sizeof (uint64_t))
typedef enum zbm_flags {
ZBM_FLAG_HAS_FBN = (1 << 0),
ZBM_FLAG_SNAPSHOT_EXISTS = (1 << 1),
} zbm_flags_t;
typedef struct redaction_list_phys {
uint64_t rlp_last_object;
uint64_t rlp_last_blkid;
uint64_t rlp_num_entries;
uint64_t rlp_num_snaps;
uint64_t rlp_snaps[]; /* variable length */
} redaction_list_phys_t;
typedef struct redaction_list {
dmu_buf_user_t rl_dbu;
redaction_list_phys_t *rl_phys;
dmu_buf_t *rl_dbuf;
uint64_t rl_object;
zfs_refcount_t rl_longholds;
objset_t *rl_mos;
} redaction_list_t;
/* node in ds_bookmarks */
typedef struct dsl_bookmark_node {
char *dbn_name; /* free with strfree() */
kmutex_t dbn_lock; /* protects dirty/phys in block_killed */
boolean_t dbn_dirty; /* in currently syncing txg */
zfs_bookmark_phys_t dbn_phys;
avl_node_t dbn_node;
} dsl_bookmark_node_t;
typedef struct redact_block_phys {
uint64_t rbp_object;
uint64_t rbp_blkid;
/*
* The top 16 bits of this field represent the block size in sectors of
* the blocks in question; the bottom 48 bits are used to store the
* number of consecutive blocks that are in the redaction list. They
* should be accessed using the inline functions below.
*/
uint64_t rbp_size_count;
uint64_t rbp_padding;
} redact_block_phys_t;
typedef int (*rl_traverse_callback_t)(redact_block_phys_t *, void *);
typedef struct dsl_bookmark_create_arg {
nvlist_t *dbca_bmarks;
nvlist_t *dbca_errors;
} dsl_bookmark_create_arg_t;
typedef struct dsl_bookmark_create_redacted_arg {
const char *dbcra_bmark;
const char *dbcra_snap;
redaction_list_t **dbcra_rl;
uint64_t dbcra_numsnaps;
uint64_t *dbcra_snaps;
void *dbcra_tag;
} dsl_bookmark_create_redacted_arg_t;
int dsl_bookmark_create(nvlist_t *, nvlist_t *);
int dsl_bookmark_create_nvl_validate(nvlist_t *);
int dsl_bookmark_create_check(void *arg, dmu_tx_t *tx);
void dsl_bookmark_create_sync(void *arg, dmu_tx_t *tx);
int dsl_bookmark_create_redacted(const char *, const char *, uint64_t,
uint64_t *, void *, redaction_list_t **);
int dsl_get_bookmarks(const char *, nvlist_t *, nvlist_t *);
int dsl_get_bookmarks_impl(dsl_dataset_t *, nvlist_t *, nvlist_t *);
int dsl_get_bookmark_props(const char *, const char *, nvlist_t *);
int dsl_bookmark_destroy(nvlist_t *, nvlist_t *);
int dsl_bookmark_lookup(struct dsl_pool *, const char *,
struct dsl_dataset *, zfs_bookmark_phys_t *);
int dsl_bookmark_lookup_impl(dsl_dataset_t *, const char *,
zfs_bookmark_phys_t *);
int dsl_redaction_list_hold_obj(struct dsl_pool *, uint64_t, void *,
redaction_list_t **);
void dsl_redaction_list_rele(redaction_list_t *, void *);
void dsl_redaction_list_long_hold(struct dsl_pool *, redaction_list_t *,
void *);
void dsl_redaction_list_long_rele(redaction_list_t *, void *);
boolean_t dsl_redaction_list_long_held(redaction_list_t *);
int dsl_bookmark_init_ds(dsl_dataset_t *);
void dsl_bookmark_fini_ds(dsl_dataset_t *);
boolean_t dsl_bookmark_ds_destroyed(dsl_dataset_t *, dmu_tx_t *);
void dsl_bookmark_snapshotted(dsl_dataset_t *, dmu_tx_t *);
void dsl_bookmark_block_killed(dsl_dataset_t *, const blkptr_t *, dmu_tx_t *);
void dsl_bookmark_sync_done(dsl_dataset_t *, dmu_tx_t *);
void dsl_bookmark_node_add(dsl_dataset_t *, dsl_bookmark_node_t *, dmu_tx_t *);
uint64_t dsl_bookmark_latest_txg(dsl_dataset_t *);
int dsl_redaction_list_traverse(redaction_list_t *, zbookmark_phys_t *,
rl_traverse_callback_t, void *);
void dsl_bookmark_next_changed(dsl_dataset_t *, dsl_dataset_t *, dmu_tx_t *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DSL_BOOKMARK_H */
|
