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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. |
e8b96c60 | 23 | * Copyright (c) 2013 by Delphix. All rights reserved. |
34dc7c2f BB |
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> | |
428870ff BB |
35 | #include <sys/ddt.h> |
36 | #include <sys/arc.h> | |
37 | #include <sys/bpobj.h> | |
9ae529ec | 38 | #include <sys/bptree.h> |
13fe0198 | 39 | #include <sys/rrwlock.h> |
34dc7c2f BB |
40 | |
41 | #ifdef __cplusplus | |
42 | extern "C" { | |
43 | #endif | |
44 | ||
cc92e9d0 GW |
45 | extern int zfs_txg_synctime_ms; |
46 | ||
34dc7c2f BB |
47 | struct objset; |
48 | struct dsl_dir; | |
b128c09f BB |
49 | struct dsl_dataset; |
50 | struct dsl_pool; | |
51 | struct dmu_tx; | |
428870ff | 52 | struct dsl_scan; |
b128c09f | 53 | |
e8b96c60 MA |
54 | extern unsigned long zfs_dirty_data_max; |
55 | extern unsigned long zfs_dirty_data_max_max; | |
56 | extern unsigned long zfs_dirty_data_sync; | |
57 | extern int zfs_dirty_data_max_percent; | |
58 | extern int zfs_dirty_data_max_max_percent; | |
59 | extern int zfs_delay_min_dirty_percent; | |
60 | extern unsigned long zfs_delay_scale; | |
61 | ||
b128c09f BB |
62 | /* These macros are for indexing into the zfs_all_blkstats_t. */ |
63 | #define DMU_OT_DEFERRED DMU_OT_NONE | |
9ae529ec CS |
64 | #define DMU_OT_OTHER DMU_OT_NUMTYPES /* place holder for DMU_OT() types */ |
65 | #define DMU_OT_TOTAL (DMU_OT_NUMTYPES + 1) | |
b128c09f BB |
66 | |
67 | typedef struct zfs_blkstat { | |
68 | uint64_t zb_count; | |
69 | uint64_t zb_asize; | |
70 | uint64_t zb_lsize; | |
71 | uint64_t zb_psize; | |
72 | uint64_t zb_gangs; | |
73 | uint64_t zb_ditto_2_of_2_samevdev; | |
74 | uint64_t zb_ditto_2_of_3_samevdev; | |
75 | uint64_t zb_ditto_3_of_3_samevdev; | |
76 | } zfs_blkstat_t; | |
77 | ||
78 | typedef struct zfs_all_blkstats { | |
79 | zfs_blkstat_t zab_type[DN_MAX_LEVELS + 1][DMU_OT_TOTAL + 1]; | |
80 | } zfs_all_blkstats_t; | |
81 | ||
34dc7c2f BB |
82 | |
83 | typedef struct dsl_pool { | |
84 | /* Immutable */ | |
85 | spa_t *dp_spa; | |
86 | struct objset *dp_meta_objset; | |
87 | struct dsl_dir *dp_root_dir; | |
88 | struct dsl_dir *dp_mos_dir; | |
428870ff | 89 | struct dsl_dir *dp_free_dir; |
fbeddd60 | 90 | struct dsl_dir *dp_leak_dir; |
b128c09f | 91 | struct dsl_dataset *dp_origin_snap; |
34dc7c2f | 92 | uint64_t dp_root_dir_obj; |
3558fd73 | 93 | struct taskq *dp_iput_taskq; |
34dc7c2f BB |
94 | |
95 | /* No lock needed - sync context only */ | |
96 | blkptr_t dp_meta_rootbp; | |
428870ff BB |
97 | uint64_t dp_tmp_userrefs_obj; |
98 | bpobj_t dp_free_bpobj; | |
9ae529ec | 99 | uint64_t dp_bptree_obj; |
753c3839 | 100 | uint64_t dp_empty_bpobj; |
428870ff BB |
101 | |
102 | struct dsl_scan *dp_scan; | |
34dc7c2f BB |
103 | |
104 | /* Uses dp_lock */ | |
105 | kmutex_t dp_lock; | |
e8b96c60 MA |
106 | kcondvar_t dp_spaceavail_cv; |
107 | uint64_t dp_dirty_pertxg[TXG_SIZE]; | |
108 | uint64_t dp_dirty_total; | |
29809a6c MA |
109 | uint64_t dp_mos_used_delta; |
110 | uint64_t dp_mos_compressed_delta; | |
111 | uint64_t dp_mos_uncompressed_delta; | |
34dc7c2f | 112 | |
e8b96c60 MA |
113 | /* |
114 | * Time of most recently scheduled (furthest in the future) | |
115 | * wakeup for delayed transactions. | |
116 | */ | |
117 | hrtime_t dp_last_wakeup; | |
118 | ||
34dc7c2f BB |
119 | /* Has its own locking */ |
120 | tx_state_t dp_tx; | |
121 | txg_list_t dp_dirty_datasets; | |
29809a6c | 122 | txg_list_t dp_dirty_zilogs; |
34dc7c2f BB |
123 | txg_list_t dp_dirty_dirs; |
124 | txg_list_t dp_sync_tasks; | |
125 | ||
126 | /* | |
127 | * Protects administrative changes (properties, namespace) | |
d3cc8b15 | 128 | * |
34dc7c2f BB |
129 | * It is only held for write in syncing context. Therefore |
130 | * syncing context does not need to ever have it for read, since | |
131 | * nobody else could possibly have it for write. | |
132 | */ | |
13fe0198 | 133 | rrwlock_t dp_config_rwlock; |
b128c09f BB |
134 | |
135 | zfs_all_blkstats_t *dp_blkstats; | |
34dc7c2f BB |
136 | } dsl_pool_t; |
137 | ||
9ae529ec CS |
138 | int dsl_pool_init(spa_t *spa, uint64_t txg, dsl_pool_t **dpp); |
139 | int dsl_pool_open(dsl_pool_t *dp); | |
34dc7c2f | 140 | void dsl_pool_close(dsl_pool_t *dp); |
b128c09f | 141 | dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg); |
34dc7c2f | 142 | void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); |
428870ff | 143 | void dsl_pool_sync_done(dsl_pool_t *dp, uint64_t txg); |
34dc7c2f BB |
144 | int dsl_pool_sync_context(dsl_pool_t *dp); |
145 | uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); | |
428870ff | 146 | uint64_t dsl_pool_adjustedfree(dsl_pool_t *dp, boolean_t netfree); |
e8b96c60 MA |
147 | void dsl_pool_dirty_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); |
148 | void dsl_pool_undirty_space(dsl_pool_t *dp, int64_t space, uint64_t txg); | |
428870ff BB |
149 | void dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp); |
150 | void dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg, | |
151 | const blkptr_t *bpp); | |
b128c09f BB |
152 | void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx); |
153 | void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx); | |
428870ff | 154 | void dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx); |
29809a6c MA |
155 | void dsl_pool_mos_diduse_space(dsl_pool_t *dp, |
156 | int64_t used, int64_t comp, int64_t uncomp); | |
e8b96c60 | 157 | boolean_t dsl_pool_need_dirty_delay(dsl_pool_t *dp); |
13fe0198 MA |
158 | void dsl_pool_config_enter(dsl_pool_t *dp, void *tag); |
159 | void dsl_pool_config_exit(dsl_pool_t *dp, void *tag); | |
160 | boolean_t dsl_pool_config_held(dsl_pool_t *dp); | |
9c43027b | 161 | boolean_t dsl_pool_config_held_writer(dsl_pool_t *dp); |
34dc7c2f | 162 | |
3558fd73 | 163 | taskq_t *dsl_pool_iput_taskq(dsl_pool_t *dp); |
9babb374 | 164 | |
13fe0198 MA |
165 | int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj, |
166 | const char *tag, uint64_t now, dmu_tx_t *tx); | |
167 | int dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj, | |
428870ff | 168 | const char *tag, dmu_tx_t *tx); |
13fe0198 | 169 | void dsl_pool_clean_tmp_userrefs(dsl_pool_t *dp); |
428870ff | 170 | int dsl_pool_open_special_dir(dsl_pool_t *dp, const char *name, dsl_dir_t **); |
13fe0198 MA |
171 | int dsl_pool_hold(const char *name, void *tag, dsl_pool_t **dp); |
172 | void dsl_pool_rele(dsl_pool_t *dp, void *tag); | |
428870ff | 173 | |
34dc7c2f BB |
174 | #ifdef __cplusplus |
175 | } | |
176 | #endif | |
177 | ||
178 | #endif /* _SYS_DSL_POOL_H */ |