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 /*
22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #ifndef _SYS_DSL_SCAN_H
26 #define _SYS_DSL_SCAN_H
27
28 #include <sys/zfs_context.h>
29 #include <sys/zio.h>
30 #include <sys/ddt.h>
31 #include <sys/bplist.h>
32
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36
37 struct objset;
38 struct dsl_dir;
39 struct dsl_dataset;
40 struct dsl_pool;
41 struct dmu_tx;
42
62 uint64_t scn_ddt_class_max;
63 ddt_bookmark_t scn_ddt_bookmark;
64 zbookmark_t scn_bookmark;
65 uint64_t scn_flags; /* dsl_scan_flags_t */
66 } dsl_scan_phys_t;
67
68 #define SCAN_PHYS_NUMINTS (sizeof (dsl_scan_phys_t) / sizeof (uint64_t))
69
70 typedef enum dsl_scan_flags {
71 DSF_VISIT_DS_AGAIN = 1<<0,
72 } dsl_scan_flags_t;
73
74 typedef struct dsl_scan {
75 struct dsl_pool *scn_dp;
76
77 boolean_t scn_pausing;
78 uint64_t scn_restart_txg;
79 uint64_t scn_sync_start_time;
80 zio_t *scn_zio_root;
81
82 /* for debugging / information */
83 uint64_t scn_visited_this_txg;
84
85 dsl_scan_phys_t scn_phys;
86 } dsl_scan_t;
87
88 int dsl_scan_init(struct dsl_pool *dp, uint64_t txg);
89 void dsl_scan_fini(struct dsl_pool *dp);
90 void dsl_scan_sync(struct dsl_pool *, dmu_tx_t *);
91 int dsl_scan_cancel(struct dsl_pool *);
92 int dsl_scan(struct dsl_pool *, pool_scan_func_t);
93 void dsl_resilver_restart(struct dsl_pool *, uint64_t txg);
94 boolean_t dsl_scan_resilvering(struct dsl_pool *dp);
95 boolean_t dsl_dataset_unstable(struct dsl_dataset *ds);
96 void dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum,
97 ddt_entry_t *dde, dmu_tx_t *tx);
98 void dsl_scan_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx);
99 void dsl_scan_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx);
100 void dsl_scan_ds_clone_swapped(struct dsl_dataset *ds1, struct dsl_dataset *ds2,
101 struct dmu_tx *tx);
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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 /*
22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 */
25
26 #ifndef _SYS_DSL_SCAN_H
27 #define _SYS_DSL_SCAN_H
28
29 #include <sys/zfs_context.h>
30 #include <sys/zio.h>
31 #include <sys/ddt.h>
32 #include <sys/bplist.h>
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 struct objset;
39 struct dsl_dir;
40 struct dsl_dataset;
41 struct dsl_pool;
42 struct dmu_tx;
43
63 uint64_t scn_ddt_class_max;
64 ddt_bookmark_t scn_ddt_bookmark;
65 zbookmark_t scn_bookmark;
66 uint64_t scn_flags; /* dsl_scan_flags_t */
67 } dsl_scan_phys_t;
68
69 #define SCAN_PHYS_NUMINTS (sizeof (dsl_scan_phys_t) / sizeof (uint64_t))
70
71 typedef enum dsl_scan_flags {
72 DSF_VISIT_DS_AGAIN = 1<<0,
73 } dsl_scan_flags_t;
74
75 typedef struct dsl_scan {
76 struct dsl_pool *scn_dp;
77
78 boolean_t scn_pausing;
79 uint64_t scn_restart_txg;
80 uint64_t scn_sync_start_time;
81 zio_t *scn_zio_root;
82
83 /* for freeing blocks */
84 boolean_t scn_is_bptree;
85
86 /* for debugging / information */
87 uint64_t scn_visited_this_txg;
88
89 dsl_scan_phys_t scn_phys;
90 } dsl_scan_t;
91
92 int dsl_scan_init(struct dsl_pool *dp, uint64_t txg);
93 void dsl_scan_fini(struct dsl_pool *dp);
94 void dsl_scan_sync(struct dsl_pool *, dmu_tx_t *);
95 int dsl_scan_cancel(struct dsl_pool *);
96 int dsl_scan(struct dsl_pool *, pool_scan_func_t);
97 void dsl_resilver_restart(struct dsl_pool *, uint64_t txg);
98 boolean_t dsl_scan_resilvering(struct dsl_pool *dp);
99 boolean_t dsl_dataset_unstable(struct dsl_dataset *ds);
100 void dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum,
101 ddt_entry_t *dde, dmu_tx_t *tx);
102 void dsl_scan_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx);
103 void dsl_scan_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx);
104 void dsl_scan_ds_clone_swapped(struct dsl_dataset *ds1, struct dsl_dataset *ds2,
105 struct dmu_tx *tx);
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