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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 | /* | |
22 | * Copyright 2008 Sun Microsystems, Inc. All rights reserved. | |
23 | * Use is subject to license terms. | |
24 | */ | |
25 | ||
26 | #ifndef _SYS_DSL_POOL_H | |
27 | #define _SYS_DSL_POOL_H | |
28 | ||
34dc7c2f BB |
29 | #include <sys/spa.h> |
30 | #include <sys/txg.h> | |
31 | #include <sys/txg_impl.h> | |
32 | #include <sys/zfs_context.h> | |
b128c09f BB |
33 | #include <sys/zio.h> |
34 | #include <sys/dnode.h> | |
34dc7c2f BB |
35 | |
36 | #ifdef __cplusplus | |
37 | extern "C" { | |
38 | #endif | |
39 | ||
40 | struct objset; | |
41 | struct dsl_dir; | |
b128c09f BB |
42 | struct dsl_dataset; |
43 | struct dsl_pool; | |
44 | struct dmu_tx; | |
45 | ||
46 | enum scrub_func { | |
47 | SCRUB_FUNC_NONE, | |
48 | SCRUB_FUNC_CLEAN, | |
49 | SCRUB_FUNC_NUMFUNCS | |
50 | }; | |
51 | ||
52 | /* These macros are for indexing into the zfs_all_blkstats_t. */ | |
53 | #define DMU_OT_DEFERRED DMU_OT_NONE | |
54 | #define DMU_OT_TOTAL DMU_OT_NUMTYPES | |
55 | ||
56 | typedef struct zfs_blkstat { | |
57 | uint64_t zb_count; | |
58 | uint64_t zb_asize; | |
59 | uint64_t zb_lsize; | |
60 | uint64_t zb_psize; | |
61 | uint64_t zb_gangs; | |
62 | uint64_t zb_ditto_2_of_2_samevdev; | |
63 | uint64_t zb_ditto_2_of_3_samevdev; | |
64 | uint64_t zb_ditto_3_of_3_samevdev; | |
65 | } zfs_blkstat_t; | |
66 | ||
67 | typedef struct zfs_all_blkstats { | |
68 | zfs_blkstat_t zab_type[DN_MAX_LEVELS + 1][DMU_OT_TOTAL + 1]; | |
69 | } zfs_all_blkstats_t; | |
70 | ||
34dc7c2f BB |
71 | |
72 | typedef struct dsl_pool { | |
73 | /* Immutable */ | |
74 | spa_t *dp_spa; | |
75 | struct objset *dp_meta_objset; | |
76 | struct dsl_dir *dp_root_dir; | |
77 | struct dsl_dir *dp_mos_dir; | |
b128c09f | 78 | struct dsl_dataset *dp_origin_snap; |
34dc7c2f BB |
79 | uint64_t dp_root_dir_obj; |
80 | ||
81 | /* No lock needed - sync context only */ | |
82 | blkptr_t dp_meta_rootbp; | |
83 | list_t dp_synced_datasets; | |
b128c09f BB |
84 | hrtime_t dp_read_overhead; |
85 | uint64_t dp_throughput; | |
34dc7c2f BB |
86 | uint64_t dp_write_limit; |
87 | ||
88 | /* Uses dp_lock */ | |
89 | kmutex_t dp_lock; | |
90 | uint64_t dp_space_towrite[TXG_SIZE]; | |
91 | uint64_t dp_tempreserved[TXG_SIZE]; | |
92 | ||
b128c09f BB |
93 | enum scrub_func dp_scrub_func; |
94 | uint64_t dp_scrub_queue_obj; | |
95 | uint64_t dp_scrub_min_txg; | |
96 | uint64_t dp_scrub_max_txg; | |
97 | zbookmark_t dp_scrub_bookmark; | |
98 | boolean_t dp_scrub_pausing; | |
99 | boolean_t dp_scrub_isresilver; | |
100 | uint64_t dp_scrub_start_time; | |
101 | kmutex_t dp_scrub_cancel_lock; /* protects dp_scrub_restart */ | |
102 | boolean_t dp_scrub_restart; | |
103 | ||
34dc7c2f BB |
104 | /* Has its own locking */ |
105 | tx_state_t dp_tx; | |
106 | txg_list_t dp_dirty_datasets; | |
107 | txg_list_t dp_dirty_dirs; | |
108 | txg_list_t dp_sync_tasks; | |
109 | ||
110 | /* | |
111 | * Protects administrative changes (properties, namespace) | |
112 | * It is only held for write in syncing context. Therefore | |
113 | * syncing context does not need to ever have it for read, since | |
114 | * nobody else could possibly have it for write. | |
115 | */ | |
116 | krwlock_t dp_config_rwlock; | |
b128c09f BB |
117 | |
118 | zfs_all_blkstats_t *dp_blkstats; | |
34dc7c2f BB |
119 | } dsl_pool_t; |
120 | ||
121 | int dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp); | |
122 | void dsl_pool_close(dsl_pool_t *dp); | |
b128c09f | 123 | dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg); |
34dc7c2f BB |
124 | void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); |
125 | void dsl_pool_zil_clean(dsl_pool_t *dp); | |
126 | int dsl_pool_sync_context(dsl_pool_t *dp); | |
127 | uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); | |
128 | int dsl_pool_tempreserve_space(dsl_pool_t *dp, uint64_t space, dmu_tx_t *tx); | |
129 | void dsl_pool_tempreserve_clear(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); | |
130 | void dsl_pool_memory_pressure(dsl_pool_t *dp); | |
131 | void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); | |
b128c09f BB |
132 | int dsl_free(zio_t *pio, dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp, |
133 | zio_done_func_t *done, void *private, uint32_t arc_flags); | |
134 | void dsl_pool_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx); | |
135 | void dsl_pool_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx); | |
136 | void dsl_pool_ds_clone_swapped(struct dsl_dataset *ds1, struct dsl_dataset *ds2, | |
137 | struct dmu_tx *tx); | |
138 | void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx); | |
139 | void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx); | |
140 | ||
141 | int dsl_pool_scrub_cancel(dsl_pool_t *dp); | |
142 | int dsl_pool_scrub_clean(dsl_pool_t *dp); | |
143 | void dsl_pool_scrub_sync(dsl_pool_t *dp, dmu_tx_t *tx); | |
144 | void dsl_pool_scrub_restart(dsl_pool_t *dp); | |
34dc7c2f BB |
145 | |
146 | #ifdef __cplusplus | |
147 | } | |
148 | #endif | |
149 | ||
150 | #endif /* _SYS_DSL_POOL_H */ |