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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. |
9ae529ec | 23 | * Copyright (c) 2012 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> |
34dc7c2f BB |
39 | |
40 | #ifdef __cplusplus | |
41 | extern "C" { | |
42 | #endif | |
43 | ||
44 | struct objset; | |
45 | struct dsl_dir; | |
b128c09f BB |
46 | struct dsl_dataset; |
47 | struct dsl_pool; | |
48 | struct dmu_tx; | |
428870ff | 49 | struct dsl_scan; |
b128c09f BB |
50 | |
51 | /* These macros are for indexing into the zfs_all_blkstats_t. */ | |
52 | #define DMU_OT_DEFERRED DMU_OT_NONE | |
9ae529ec CS |
53 | #define DMU_OT_OTHER DMU_OT_NUMTYPES /* place holder for DMU_OT() types */ |
54 | #define DMU_OT_TOTAL (DMU_OT_NUMTYPES + 1) | |
b128c09f BB |
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 | ||
e95853a3 BB |
71 | typedef struct txg_history { |
72 | kstat_txg_t th_kstat; | |
73 | vdev_stat_t th_vs1; | |
74 | vdev_stat_t th_vs2; | |
75 | kmutex_t th_lock; | |
76 | list_node_t th_link; | |
77 | } txg_history_t; | |
34dc7c2f BB |
78 | |
79 | typedef struct dsl_pool { | |
80 | /* Immutable */ | |
81 | spa_t *dp_spa; | |
82 | struct objset *dp_meta_objset; | |
83 | struct dsl_dir *dp_root_dir; | |
84 | struct dsl_dir *dp_mos_dir; | |
428870ff | 85 | struct dsl_dir *dp_free_dir; |
b128c09f | 86 | struct dsl_dataset *dp_origin_snap; |
34dc7c2f | 87 | uint64_t dp_root_dir_obj; |
3558fd73 | 88 | struct taskq *dp_iput_taskq; |
e95853a3 | 89 | kstat_t *dp_txg_kstat; |
34dc7c2f BB |
90 | |
91 | /* No lock needed - sync context only */ | |
92 | blkptr_t dp_meta_rootbp; | |
b128c09f | 93 | hrtime_t dp_read_overhead; |
428870ff | 94 | uint64_t dp_throughput; /* bytes per millisec */ |
34dc7c2f | 95 | uint64_t dp_write_limit; |
428870ff BB |
96 | uint64_t dp_tmp_userrefs_obj; |
97 | bpobj_t dp_free_bpobj; | |
9ae529ec | 98 | uint64_t dp_bptree_obj; |
753c3839 | 99 | uint64_t dp_empty_bpobj; |
428870ff BB |
100 | |
101 | struct dsl_scan *dp_scan; | |
34dc7c2f BB |
102 | |
103 | /* Uses dp_lock */ | |
104 | kmutex_t dp_lock; | |
105 | uint64_t dp_space_towrite[TXG_SIZE]; | |
106 | uint64_t dp_tempreserved[TXG_SIZE]; | |
29809a6c MA |
107 | uint64_t dp_mos_used_delta; |
108 | uint64_t dp_mos_compressed_delta; | |
109 | uint64_t dp_mos_uncompressed_delta; | |
e95853a3 BB |
110 | uint64_t dp_txg_history_size; |
111 | list_t dp_txg_history; | |
112 | ||
34dc7c2f BB |
113 | |
114 | /* Has its own locking */ | |
115 | tx_state_t dp_tx; | |
116 | txg_list_t dp_dirty_datasets; | |
29809a6c | 117 | txg_list_t dp_dirty_zilogs; |
34dc7c2f BB |
118 | txg_list_t dp_dirty_dirs; |
119 | txg_list_t dp_sync_tasks; | |
120 | ||
121 | /* | |
122 | * Protects administrative changes (properties, namespace) | |
123 | * It is only held for write in syncing context. Therefore | |
124 | * syncing context does not need to ever have it for read, since | |
125 | * nobody else could possibly have it for write. | |
126 | */ | |
127 | krwlock_t dp_config_rwlock; | |
b128c09f BB |
128 | |
129 | zfs_all_blkstats_t *dp_blkstats; | |
34dc7c2f BB |
130 | } dsl_pool_t; |
131 | ||
9ae529ec CS |
132 | int dsl_pool_init(spa_t *spa, uint64_t txg, dsl_pool_t **dpp); |
133 | int dsl_pool_open(dsl_pool_t *dp); | |
34dc7c2f | 134 | void dsl_pool_close(dsl_pool_t *dp); |
b128c09f | 135 | dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg); |
34dc7c2f | 136 | void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); |
428870ff | 137 | void dsl_pool_sync_done(dsl_pool_t *dp, uint64_t txg); |
34dc7c2f BB |
138 | int dsl_pool_sync_context(dsl_pool_t *dp); |
139 | uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); | |
428870ff | 140 | uint64_t dsl_pool_adjustedfree(dsl_pool_t *dp, boolean_t netfree); |
34dc7c2f BB |
141 | int dsl_pool_tempreserve_space(dsl_pool_t *dp, uint64_t space, dmu_tx_t *tx); |
142 | void dsl_pool_tempreserve_clear(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); | |
143 | void dsl_pool_memory_pressure(dsl_pool_t *dp); | |
144 | void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); | |
428870ff BB |
145 | void dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp); |
146 | void dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg, | |
147 | const blkptr_t *bpp); | |
148 | int dsl_read(zio_t *pio, spa_t *spa, const blkptr_t *bpp, arc_buf_t *pbuf, | |
149 | arc_done_func_t *done, void *private, int priority, int zio_flags, | |
150 | uint32_t *arc_flags, const zbookmark_t *zb); | |
151 | int dsl_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bpp, | |
152 | arc_done_func_t *done, void *private, int priority, int zio_flags, | |
153 | uint32_t *arc_flags, const zbookmark_t *zb); | |
b128c09f BB |
154 | void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx); |
155 | void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx); | |
428870ff | 156 | void dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx); |
29809a6c MA |
157 | void dsl_pool_mos_diduse_space(dsl_pool_t *dp, |
158 | int64_t used, int64_t comp, int64_t uncomp); | |
34dc7c2f | 159 | |
3558fd73 | 160 | taskq_t *dsl_pool_iput_taskq(dsl_pool_t *dp); |
9babb374 | 161 | |
428870ff BB |
162 | extern int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj, |
163 | const char *tag, uint64_t *now, dmu_tx_t *tx); | |
164 | extern int dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj, | |
165 | const char *tag, dmu_tx_t *tx); | |
166 | extern void dsl_pool_clean_tmp_userrefs(dsl_pool_t *dp); | |
167 | int dsl_pool_open_special_dir(dsl_pool_t *dp, const char *name, dsl_dir_t **); | |
168 | ||
e95853a3 BB |
169 | txg_history_t *dsl_pool_txg_history_add(dsl_pool_t *dp, uint64_t txg); |
170 | txg_history_t *dsl_pool_txg_history_get(dsl_pool_t *dp, uint64_t txg); | |
171 | void dsl_pool_txg_history_put(txg_history_t *th); | |
172 | ||
34dc7c2f BB |
173 | #ifdef __cplusplus |
174 | } | |
175 | #endif | |
176 | ||
177 | #endif /* _SYS_DSL_POOL_H */ |