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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 | |
1d3ba0bf | 9 | * or https://opensource.org/licenses/CDDL-1.0. |
34dc7c2f BB |
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. |
93e28d66 | 23 | * Copyright (c) 2011, 2019 by Delphix. All rights reserved. |
3541dc6d | 24 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
0c66c32d | 25 | * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. |
3c67d83a | 26 | * Copyright 2013 Saso Kiselkov. All rights reserved. |
a0bd735a | 27 | * Copyright (c) 2016 Actifio, Inc. All rights reserved. |
cc99f275 | 28 | * Copyright (c) 2017, Intel Corporation. |
e8cf3a4f | 29 | * Copyright (c) 2019 Datto Inc. |
34dc7c2f BB |
30 | */ |
31 | ||
32 | #ifndef _SYS_SPA_IMPL_H | |
33 | #define _SYS_SPA_IMPL_H | |
34 | ||
34dc7c2f | 35 | #include <sys/spa.h> |
d2734cce | 36 | #include <sys/spa_checkpoint.h> |
93e28d66 | 37 | #include <sys/spa_log_spacemap.h> |
34dc7c2f | 38 | #include <sys/vdev.h> |
9a49d3f3 | 39 | #include <sys/vdev_rebuild.h> |
a1d477c2 | 40 | #include <sys/vdev_removal.h> |
34dc7c2f BB |
41 | #include <sys/metaslab.h> |
42 | #include <sys/dmu.h> | |
43 | #include <sys/dsl_pool.h> | |
44 | #include <sys/uberblock_impl.h> | |
45 | #include <sys/zfs_context.h> | |
46 | #include <sys/avl.h> | |
27d96d22 | 47 | #include <sys/zfs_refcount.h> |
34dc7c2f | 48 | #include <sys/bplist.h> |
428870ff | 49 | #include <sys/bpobj.h> |
b5256303 | 50 | #include <sys/dsl_crypt.h> |
9b67f605 | 51 | #include <sys/zfeature.h> |
9d5b5245 | 52 | #include <sys/zthr.h> |
37f03da8 | 53 | #include <sys/dsl_deadlist.h> |
b0bc7a84 | 54 | #include <zfeature_common.h> |
34dc7c2f BB |
55 | |
56 | #ifdef __cplusplus | |
57 | extern "C" { | |
58 | #endif | |
59 | ||
1b50749c AM |
60 | typedef struct spa_alloc { |
61 | kmutex_t spaa_lock; | |
62 | avl_tree_t spaa_tree; | |
63 | } ____cacheline_aligned spa_alloc_t; | |
64 | ||
34dc7c2f | 65 | typedef struct spa_error_entry { |
5dbd68a3 MA |
66 | zbookmark_phys_t se_bookmark; |
67 | char *se_name; | |
68 | avl_node_t se_avl; | |
431083f7 | 69 | zbookmark_err_phys_t se_zep; /* not accounted in avl_find */ |
34dc7c2f BB |
70 | } spa_error_entry_t; |
71 | ||
72 | typedef struct spa_history_phys { | |
73 | uint64_t sh_pool_create_len; /* ending offset of zpool create */ | |
74 | uint64_t sh_phys_max_off; /* physical EOF */ | |
75 | uint64_t sh_bof; /* logical BOF */ | |
76 | uint64_t sh_eof; /* logical EOF */ | |
77 | uint64_t sh_records_lost; /* num of records overwritten */ | |
78 | } spa_history_phys_t; | |
79 | ||
a1d477c2 MA |
80 | /* |
81 | * All members must be uint64_t, for byteswap purposes. | |
82 | */ | |
83 | typedef struct spa_removing_phys { | |
84 | uint64_t sr_state; /* dsl_scan_state_t */ | |
85 | ||
86 | /* | |
87 | * The vdev ID that we most recently attempted to remove, | |
88 | * or -1 if no removal has been attempted. | |
89 | */ | |
90 | uint64_t sr_removing_vdev; | |
91 | ||
92 | /* | |
93 | * The vdev ID that we most recently successfully removed, | |
94 | * or -1 if no devices have been removed. | |
95 | */ | |
96 | uint64_t sr_prev_indirect_vdev; | |
97 | ||
98 | uint64_t sr_start_time; | |
99 | uint64_t sr_end_time; | |
100 | ||
101 | /* | |
102 | * Note that we can not use the space map's or indirect mapping's | |
103 | * accounting as a substitute for these values, because we need to | |
104 | * count frees of not-yet-copied data as though it did the copy. | |
105 | * Otherwise, we could get into a situation where copied > to_copy, | |
106 | * or we complete before copied == to_copy. | |
107 | */ | |
108 | uint64_t sr_to_copy; /* bytes that need to be copied */ | |
109 | uint64_t sr_copied; /* bytes that have been copied or freed */ | |
110 | } spa_removing_phys_t; | |
111 | ||
112 | /* | |
113 | * This struct is stored as an entry in the DMU_POOL_DIRECTORY_OBJECT | |
114 | * (with key DMU_POOL_CONDENSING_INDIRECT). It is present if a condense | |
115 | * of an indirect vdev's mapping object is in progress. | |
116 | */ | |
117 | typedef struct spa_condensing_indirect_phys { | |
118 | /* | |
119 | * The vdev ID of the indirect vdev whose indirect mapping is | |
120 | * being condensed. | |
121 | */ | |
122 | uint64_t scip_vdev; | |
123 | ||
124 | /* | |
125 | * The vdev's old obsolete spacemap. This spacemap's contents are | |
126 | * being integrated into the new mapping. | |
127 | */ | |
128 | uint64_t scip_prev_obsolete_sm_object; | |
129 | ||
130 | /* | |
131 | * The new mapping object that is being created. | |
132 | */ | |
133 | uint64_t scip_next_mapping_object; | |
134 | } spa_condensing_indirect_phys_t; | |
135 | ||
34dc7c2f BB |
136 | struct spa_aux_vdev { |
137 | uint64_t sav_object; /* MOS object for device list */ | |
138 | nvlist_t *sav_config; /* cached device config */ | |
139 | vdev_t **sav_vdevs; /* devices */ | |
140 | int sav_count; /* number devices */ | |
141 | boolean_t sav_sync; /* sync the device list */ | |
142 | nvlist_t **sav_pending; /* pending device additions */ | |
143 | uint_t sav_npending; /* # pending devices */ | |
144 | }; | |
145 | ||
146 | typedef struct spa_config_lock { | |
147 | kmutex_t scl_lock; | |
148 | kthread_t *scl_writer; | |
b128c09f | 149 | int scl_write_wanted; |
42afb12d | 150 | int scl_count; |
34dc7c2f | 151 | kcondvar_t scl_cv; |
42afb12d | 152 | } ____cacheline_aligned spa_config_lock_t; |
34dc7c2f | 153 | |
b128c09f BB |
154 | typedef struct spa_config_dirent { |
155 | list_node_t scd_link; | |
156 | char *scd_path; | |
157 | } spa_config_dirent_t; | |
158 | ||
7ef5e54e | 159 | typedef enum zio_taskq_type { |
b128c09f | 160 | ZIO_TASKQ_ISSUE = 0, |
428870ff | 161 | ZIO_TASKQ_ISSUE_HIGH, |
b128c09f | 162 | ZIO_TASKQ_INTERRUPT, |
428870ff | 163 | ZIO_TASKQ_INTERRUPT_HIGH, |
b128c09f | 164 | ZIO_TASKQ_TYPES |
7ef5e54e | 165 | } zio_taskq_type_t; |
b128c09f | 166 | |
428870ff | 167 | /* |
7ef5e54e | 168 | * State machine for the zpool-poolname process. The states transitions |
428870ff BB |
169 | * are done as follows: |
170 | * | |
171 | * From To Routine | |
172 | * PROC_NONE -> PROC_CREATED spa_activate() | |
173 | * PROC_CREATED -> PROC_ACTIVE spa_thread() | |
174 | * PROC_ACTIVE -> PROC_DEACTIVATE spa_deactivate() | |
175 | * PROC_DEACTIVATE -> PROC_GONE spa_thread() | |
176 | * PROC_GONE -> PROC_NONE spa_deactivate() | |
177 | */ | |
178 | typedef enum spa_proc_state { | |
179 | SPA_PROC_NONE, /* spa_proc = &p0, no process created */ | |
180 | SPA_PROC_CREATED, /* spa_activate() has proc, is waiting */ | |
181 | SPA_PROC_ACTIVE, /* taskqs created, spa_proc set */ | |
182 | SPA_PROC_DEACTIVATE, /* spa_deactivate() requests process exit */ | |
183 | SPA_PROC_GONE /* spa_thread() is exiting, spa_proc = &p0 */ | |
184 | } spa_proc_state_t; | |
185 | ||
7ef5e54e AL |
186 | typedef struct spa_taskqs { |
187 | uint_t stqs_count; | |
188 | taskq_t **stqs_taskq; | |
189 | } spa_taskqs_t; | |
190 | ||
3bd4df38 EN |
191 | /* one for each thread in the spa sync taskq */ |
192 | typedef struct spa_syncthread_info { | |
193 | kthread_t *sti_thread; | |
194 | taskq_t *sti_wr_iss_tq; /* assigned wr_iss taskq */ | |
195 | } spa_syncthread_info_t; | |
196 | ||
e0ab3ab5 JS |
197 | typedef enum spa_all_vdev_zap_action { |
198 | AVZ_ACTION_NONE = 0, | |
199 | AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */ | |
38640550 DB |
200 | AVZ_ACTION_REBUILD, /* Populate the new AVZ, see spa_avz_rebuild */ |
201 | AVZ_ACTION_INITIALIZE | |
e0ab3ab5 JS |
202 | } spa_avz_action_t; |
203 | ||
6cb8e530 PZ |
204 | typedef enum spa_config_source { |
205 | SPA_CONFIG_SRC_NONE = 0, | |
206 | SPA_CONFIG_SRC_SCAN, /* scan of path (default: /dev/dsk) */ | |
207 | SPA_CONFIG_SRC_CACHEFILE, /* any cachefile */ | |
208 | SPA_CONFIG_SRC_TRYIMPORT, /* returned from call to tryimport */ | |
209 | SPA_CONFIG_SRC_SPLIT, /* new pool in a pool split */ | |
210 | SPA_CONFIG_SRC_MOS /* MOS, but not always from right txg */ | |
211 | } spa_config_source_t; | |
212 | ||
34dc7c2f BB |
213 | struct spa { |
214 | /* | |
215 | * Fields protected by spa_namespace_lock. | |
216 | */ | |
eca7b760 | 217 | char spa_name[ZFS_MAX_DATASET_NAME_LEN]; /* pool name */ |
d96eb2b1 | 218 | char *spa_comment; /* comment */ |
34dc7c2f BB |
219 | avl_node_t spa_avl; /* node in spa_namespace_avl */ |
220 | nvlist_t *spa_config; /* last synced config */ | |
221 | nvlist_t *spa_config_syncing; /* currently syncing config */ | |
428870ff | 222 | nvlist_t *spa_config_splitting; /* config for splitting */ |
572e2857 | 223 | nvlist_t *spa_load_info; /* info and errors from load */ |
34dc7c2f | 224 | uint64_t spa_config_txg; /* txg of last config change */ |
fdc2d303 | 225 | uint32_t spa_sync_pass; /* iterate-to-convergence */ |
b128c09f | 226 | pool_state_t spa_state; /* pool state */ |
34dc7c2f | 227 | int spa_inject_ref; /* injection references */ |
34dc7c2f BB |
228 | uint8_t spa_sync_on; /* sync threads are running */ |
229 | spa_load_state_t spa_load_state; /* current load operation */ | |
a1d477c2 | 230 | boolean_t spa_indirect_vdevs_loaded; /* mappings loaded? */ |
6cb8e530 | 231 | boolean_t spa_trust_config; /* do we trust vdev tree? */ |
8b27e08e | 232 | boolean_t spa_is_splitting; /* in the middle of a split? */ |
6cb8e530 | 233 | spa_config_source_t spa_config_source; /* where config comes from? */ |
572e2857 | 234 | uint64_t spa_import_flags; /* import specific flags */ |
7ef5e54e | 235 | spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES]; |
34dc7c2f | 236 | dsl_pool_t *spa_dsl_pool; |
9ae529ec | 237 | boolean_t spa_is_initializing; /* true while opening pool */ |
43a85362 | 238 | boolean_t spa_is_exporting; /* true while exporting pool */ |
34dc7c2f BB |
239 | metaslab_class_t *spa_normal_class; /* normal data class */ |
240 | metaslab_class_t *spa_log_class; /* intent log data class */ | |
aa755b35 | 241 | metaslab_class_t *spa_embedded_log_class; /* log on normal vdevs */ |
cc99f275 DB |
242 | metaslab_class_t *spa_special_class; /* special allocation class */ |
243 | metaslab_class_t *spa_dedup_class; /* dedup allocation class */ | |
34dc7c2f BB |
244 | uint64_t spa_first_txg; /* first txg after spa_open() */ |
245 | uint64_t spa_final_txg; /* txg of export/destroy */ | |
246 | uint64_t spa_freeze_txg; /* freeze pool at this txg */ | |
428870ff BB |
247 | uint64_t spa_load_max_txg; /* best initial ub_txg */ |
248 | uint64_t spa_claim_max_txg; /* highest claimed birth txg */ | |
6413c95f | 249 | inode_timespec_t spa_loaded_ts; /* 1st successful open time */ |
34dc7c2f | 250 | objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ |
0c66c32d JG |
251 | kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */ |
252 | list_t spa_evicting_os_list; /* Objsets being evicted. */ | |
253 | kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */ | |
34dc7c2f BB |
254 | txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ |
255 | vdev_t *spa_root_vdev; /* top-level vdev container */ | |
b2255edc BB |
256 | uint64_t spa_min_ashift; /* of vdevs in normal class */ |
257 | uint64_t spa_max_ashift; /* of vdevs in normal class */ | |
258 | uint64_t spa_min_alloc; /* of vdevs in normal class */ | |
d9bb583c | 259 | uint64_t spa_gcd_alloc; /* of vdevs in normal class */ |
3541dc6d GA |
260 | uint64_t spa_config_guid; /* config pool guid */ |
261 | uint64_t spa_load_guid; /* spa_load initialized guid */ | |
3bc7e0fb | 262 | uint64_t spa_last_synced_guid; /* last synced guid */ |
b128c09f BB |
263 | list_t spa_config_dirty_list; /* vdevs with dirty config */ |
264 | list_t spa_state_dirty_list; /* vdevs with dirty state */ | |
492f64e9 | 265 | /* |
1b50749c AM |
266 | * spa_allocs is an array, whose lengths is stored in spa_alloc_count. |
267 | * There is one tree and one lock for each allocator, to help improve | |
268 | * allocation performance in write-heavy workloads. | |
492f64e9 | 269 | */ |
1b50749c | 270 | spa_alloc_t *spa_allocs; |
492f64e9 | 271 | int spa_alloc_count; |
95f71c01 | 272 | int spa_active_allocator; /* selectable allocator */ |
492f64e9 | 273 | |
3bd4df38 EN |
274 | /* per-allocator sync thread taskqs */ |
275 | taskq_t *spa_sync_tq; | |
276 | spa_syncthread_info_t *spa_syncthreads; | |
277 | ||
34dc7c2f BB |
278 | spa_aux_vdev_t spa_spares; /* hot spares */ |
279 | spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */ | |
9ae529ec | 280 | nvlist_t *spa_label_features; /* Features for reading MOS */ |
34dc7c2f | 281 | uint64_t spa_config_object; /* MOS object for pool config */ |
428870ff | 282 | uint64_t spa_config_generation; /* config generation number */ |
34dc7c2f | 283 | uint64_t spa_syncing_txg; /* txg currently syncing */ |
428870ff BB |
284 | bpobj_t spa_deferred_bpobj; /* deferred-free bplist */ |
285 | bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */ | |
3c67d83a TH |
286 | zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */ |
287 | /* checksum context templates */ | |
288 | kmutex_t spa_cksum_tmpls_lock; | |
289 | void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS]; | |
34dc7c2f BB |
290 | uberblock_t spa_ubsync; /* last synced uberblock */ |
291 | uberblock_t spa_uberblock; /* current uberblock */ | |
428870ff | 292 | boolean_t spa_extreme_rewind; /* rewind past deferred frees */ |
34dc7c2f | 293 | kmutex_t spa_scrub_lock; /* resilver/scrub lock */ |
d4a72f23 | 294 | uint64_t spa_scrub_inflight; /* in-flight scrub bytes */ |
c8242a96 GW |
295 | |
296 | /* in-flight verification bytes */ | |
297 | uint64_t spa_load_verify_bytes; | |
34dc7c2f | 298 | kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ |
34dc7c2f BB |
299 | uint8_t spa_scrub_active; /* active or suspended? */ |
300 | uint8_t spa_scrub_type; /* type of scrub we're doing */ | |
301 | uint8_t spa_scrub_finished; /* indicator to rotate logs */ | |
b128c09f BB |
302 | uint8_t spa_scrub_started; /* started since last boot */ |
303 | uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */ | |
428870ff | 304 | uint64_t spa_scan_pass_start; /* start time per pass/reboot */ |
0ea05c64 AP |
305 | uint64_t spa_scan_pass_scrub_pause; /* scrub pause time */ |
306 | uint64_t spa_scan_pass_scrub_spent_paused; /* total paused */ | |
428870ff | 307 | uint64_t spa_scan_pass_exam; /* examined bytes per pass */ |
d4a72f23 | 308 | uint64_t spa_scan_pass_issued; /* issued bytes per pass */ |
80a91e74 | 309 | |
482eeef8 GA |
310 | /* error scrub pause time in milliseconds */ |
311 | uint64_t spa_scan_pass_errorscrub_pause; | |
312 | /* total error scrub paused time in milliseconds */ | |
313 | uint64_t spa_scan_pass_errorscrub_spent_paused; | |
80a91e74 TC |
314 | /* |
315 | * We are in the middle of a resilver, and another resilver | |
316 | * is needed once this one completes. This is set iff any | |
317 | * vdev_resilver_deferred is set. | |
318 | */ | |
319 | boolean_t spa_resilver_deferred; | |
34dc7c2f BB |
320 | kmutex_t spa_async_lock; /* protect async state */ |
321 | kthread_t *spa_async_thread; /* thread doing async task */ | |
322 | int spa_async_suspended; /* async tasks suspended */ | |
323 | kcondvar_t spa_async_cv; /* wait for thread_exit() */ | |
324 | uint16_t spa_async_tasks; /* async task mask */ | |
6cb8e530 PZ |
325 | uint64_t spa_missing_tvds; /* unopenable tvds on load */ |
326 | uint64_t spa_missing_tvds_allowed; /* allow loading spa? */ | |
a1d477c2 | 327 | |
2a673e76 | 328 | uint64_t spa_nonallocating_dspace; |
a1d477c2 MA |
329 | spa_removing_phys_t spa_removing_phys; |
330 | spa_vdev_removal_t *spa_vdev_removal; | |
331 | ||
332 | spa_condensing_indirect_phys_t spa_condensing_indirect_phys; | |
333 | spa_condensing_indirect_t *spa_condensing_indirect; | |
9d5b5245 | 334 | zthr_t *spa_condense_zthr; /* zthr doing condense. */ |
a1d477c2 | 335 | |
d2734cce SD |
336 | uint64_t spa_checkpoint_txg; /* the txg of the checkpoint */ |
337 | spa_checkpoint_info_t spa_checkpoint_info; /* checkpoint accounting */ | |
338 | zthr_t *spa_checkpoint_discard_zthr; | |
339 | ||
93e28d66 SD |
340 | space_map_t *spa_syncing_log_sm; /* current log space map */ |
341 | avl_tree_t spa_sm_logs_by_txg; | |
342 | kmutex_t spa_flushed_ms_lock; /* for metaslabs_by_flushed */ | |
343 | avl_tree_t spa_metaslabs_by_flushed; | |
344 | spa_unflushed_stats_t spa_unflushed_stats; | |
345 | list_t spa_log_summary; | |
346 | uint64_t spa_log_flushall_txg; | |
347 | ||
37f03da8 SH |
348 | zthr_t *spa_livelist_delete_zthr; /* deleting livelists */ |
349 | zthr_t *spa_livelist_condense_zthr; /* condensing livelists */ | |
350 | uint64_t spa_livelists_to_delete; /* set of livelists to free */ | |
351 | livelist_condense_entry_t spa_to_condense; /* next to condense */ | |
352 | ||
34dc7c2f | 353 | char *spa_root; /* alternate root directory */ |
34dc7c2f | 354 | uint64_t spa_ena; /* spa-wide ereport ENA */ |
428870ff BB |
355 | int spa_last_open_failed; /* error if last open failed */ |
356 | uint64_t spa_last_ubsync_txg; /* "best" uberblock txg */ | |
357 | uint64_t spa_last_ubsync_txg_ts; /* timestamp from that ub */ | |
358 | uint64_t spa_load_txg; /* ub txg that loaded */ | |
359 | uint64_t spa_load_txg_ts; /* timestamp from that ub */ | |
360 | uint64_t spa_load_meta_errors; /* verify metadata err count */ | |
361 | uint64_t spa_load_data_errors; /* verify data err count */ | |
362 | uint64_t spa_verify_min_txg; /* start txg of verify scrub */ | |
34dc7c2f BB |
363 | kmutex_t spa_errlog_lock; /* error log lock */ |
364 | uint64_t spa_errlog_last; /* last error log object */ | |
365 | uint64_t spa_errlog_scrub; /* scrub error log object */ | |
366 | kmutex_t spa_errlist_lock; /* error list/ereport lock */ | |
367 | avl_tree_t spa_errlist_last; /* last error list */ | |
368 | avl_tree_t spa_errlist_scrub; /* scrub error list */ | |
e8cf3a4f | 369 | avl_tree_t spa_errlist_healed; /* list of healed blocks */ |
34dc7c2f BB |
370 | uint64_t spa_deflate; /* should we deflate? */ |
371 | uint64_t spa_history; /* history object */ | |
372 | kmutex_t spa_history_lock; /* history lock */ | |
373 | vdev_t *spa_pending_vdev; /* pending vdev additions */ | |
374 | kmutex_t spa_props_lock; /* property lock */ | |
375 | uint64_t spa_pool_props_object; /* object for properties */ | |
376 | uint64_t spa_bootfs; /* default boot filesystem */ | |
b128c09f | 377 | uint64_t spa_failmode; /* failure mode for the pool */ |
8fb1ede1 | 378 | uint64_t spa_deadman_failmode; /* failure mode for deadman */ |
b128c09f BB |
379 | uint64_t spa_delegation; /* delegation on/off */ |
380 | list_t spa_config_list; /* previous cache file(s) */ | |
e022864d MA |
381 | /* per-CPU array of root of async I/O: */ |
382 | zio_t **spa_async_zio_root; | |
b128c09f | 383 | zio_t *spa_suspend_zio_root; /* root of all suspended I/O */ |
a1d477c2 | 384 | zio_t *spa_txg_zio[TXG_SIZE]; /* spa_sync() waits for this */ |
b128c09f BB |
385 | kmutex_t spa_suspend_lock; /* protects suspend_zio_root */ |
386 | kcondvar_t spa_suspend_cv; /* notification of resume */ | |
cec3a0a1 | 387 | zio_suspend_reason_t spa_suspended; /* pool is suspended */ |
428870ff | 388 | uint8_t spa_claiming; /* pool is doing zil_claim() */ |
b128c09f BB |
389 | boolean_t spa_is_root; /* pool is root */ |
390 | int spa_minref; /* num refs when first opened */ | |
da92d5cb | 391 | spa_mode_t spa_mode; /* SPA_MODE_{READ|WRITE} */ |
e39fe05b | 392 | boolean_t spa_read_spacemaps; /* spacemaps available if ro */ |
b128c09f | 393 | spa_log_state_t spa_log_state; /* log state */ |
9babb374 | 394 | uint64_t spa_autoexpand; /* lun expansion on/off */ |
428870ff BB |
395 | ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */ |
396 | uint64_t spa_ddt_stat_object; /* DDT statistics */ | |
e8a20144 | 397 | uint64_t spa_dedup_dspace; /* Cache get_dedup_dspace() */ |
428870ff BB |
398 | uint64_t spa_dedup_checksum; /* default dedup checksum */ |
399 | uint64_t spa_dspace; /* dspace in normal class */ | |
67a1b037 | 400 | struct brt *spa_brt; /* in-core BRT */ |
428870ff BB |
401 | kmutex_t spa_vdev_top_lock; /* dueling offline/remove */ |
402 | kmutex_t spa_proc_lock; /* protects spa_proc* */ | |
403 | kcondvar_t spa_proc_cv; /* spa_proc_state transitions */ | |
404 | spa_proc_state_t spa_proc_state; /* see definition */ | |
60101509 | 405 | proc_t *spa_proc; /* "zpool-poolname" process */ |
956f9401 | 406 | uintptr_t spa_did; /* if procp != p0, did of t1 */ |
428870ff BB |
407 | boolean_t spa_autoreplace; /* autoreplace set in open */ |
408 | int spa_vdev_locks; /* locks grabbed */ | |
409 | uint64_t spa_creation_version; /* version at pool creation */ | |
9ae529ec CS |
410 | uint64_t spa_prev_software_version; /* See ub_software_version */ |
411 | uint64_t spa_feat_for_write_obj; /* required to write to pool */ | |
412 | uint64_t spa_feat_for_read_obj; /* required to read from pool */ | |
413 | uint64_t spa_feat_desc_obj; /* Feature descriptions */ | |
b0bc7a84 | 414 | uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */ |
4eb30c68 | 415 | kmutex_t spa_feat_stats_lock; /* protects spa_feat_stats */ |
417104bd | 416 | nvlist_t *spa_feat_stats; /* Cache of enabled features */ |
b0bc7a84 MG |
417 | /* cache feature refcounts */ |
418 | uint64_t spa_feat_refcount_cache[SPA_FEATURES]; | |
cc92e9d0 GW |
419 | taskqid_t spa_deadman_tqid; /* Task id */ |
420 | uint64_t spa_deadman_calls; /* number of deadman calls */ | |
e8b96c60 | 421 | hrtime_t spa_sync_starttime; /* starting time of spa_sync */ |
8fb1ede1 BB |
422 | uint64_t spa_deadman_synctime; /* deadman sync expiration */ |
423 | uint64_t spa_deadman_ziotime; /* deadman zio expiration */ | |
e0ab3ab5 JS |
424 | uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */ |
425 | spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */ | |
1b939560 | 426 | uint64_t spa_autotrim; /* automatic background trim? */ |
ffe9d382 | 427 | uint64_t spa_errata; /* errata issues detected */ |
1421c891 | 428 | spa_stats_t spa_stats; /* assorted spa statistics */ |
b5256303 | 429 | spa_keystore_t spa_keystore; /* loaded crypto keys */ |
dae3e9ea DB |
430 | |
431 | /* arc_memory_throttle() parameters during low memory condition */ | |
432 | uint64_t spa_lowmem_page_load; /* memory load during txg */ | |
433 | uint64_t spa_lowmem_last_txg; /* txg window start */ | |
434 | ||
e6cfd633 | 435 | hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */ |
4e33ba4c | 436 | taskq_t *spa_zvol_taskq; /* Taskq for minor management */ |
342357cd | 437 | taskq_t *spa_metaslab_taskq; /* Taskq for metaslab preload */ |
77d8a0f1 | 438 | taskq_t *spa_prefetch_taskq; /* Taskq for prefetch threads */ |
342357cd | 439 | taskq_t *spa_upgrade_taskq; /* Taskq for upgrade jobs */ |
379ca9cf OF |
440 | uint64_t spa_multihost; /* multihost aware (mmp) */ |
441 | mmp_thread_t spa_mmp; /* multihost mmp thread */ | |
3d31aad8 OF |
442 | list_t spa_leaf_list; /* list of leaf vdevs */ |
443 | uint64_t spa_leaf_list_gen; /* track leaf_list changes */ | |
25f06d67 | 444 | uint32_t spa_hostid; /* cached system hostid */ |
1421c891 | 445 | |
e60e158e JG |
446 | /* synchronization for threads in spa_wait */ |
447 | kmutex_t spa_activities_lock; | |
448 | kcondvar_t spa_activities_cv; | |
449 | kcondvar_t spa_waiters_cv; | |
450 | int spa_waiters; /* number of waiting threads */ | |
451 | boolean_t spa_waiters_cancel; /* waiters should return */ | |
452 | ||
658fb802 CB |
453 | char *spa_compatibility; /* compatibility file(s) */ |
454 | ||
34dc7c2f | 455 | /* |
d3cc8b15 | 456 | * spa_refcount & spa_config_lock must be the last elements |
c13060e4 | 457 | * because zfs_refcount_t changes size based on compilation options. |
34dc7c2f BB |
458 | * In order for the MDB module to function correctly, the other |
459 | * fields must remain in the same location. | |
460 | */ | |
b128c09f | 461 | spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */ |
c13060e4 | 462 | zfs_refcount_t spa_refcount; /* number of opens */ |
34dc7c2f BB |
463 | }; |
464 | ||
c28b2279 | 465 | extern char *spa_config_path; |
18168da7 | 466 | extern const char *zfs_deadman_failmode; |
fdc2d303 | 467 | extern uint_t spa_slop_shift; |
7ef5e54e | 468 | extern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q, |
3bd4df38 | 469 | task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent, zio_t *zio); |
044baf00 BB |
470 | extern void spa_taskq_dispatch_sync(spa_t *, zio_type_t t, zio_taskq_type_t q, |
471 | task_func_t *func, void *arg, uint_t flags); | |
a1d477c2 MA |
472 | extern void spa_load_spares(spa_t *spa); |
473 | extern void spa_load_l2cache(spa_t *spa); | |
474 | extern sysevent_t *spa_event_create(spa_t *spa, vdev_t *vd, nvlist_t *hist_nvl, | |
475 | const char *name); | |
476 | extern void spa_event_post(sysevent_t *ev); | |
e64e84ec | 477 | extern int param_set_deadman_failmode_common(const char *val); |
57940b43 RM |
478 | extern void spa_set_deadman_synctime(hrtime_t ns); |
479 | extern void spa_set_deadman_ziotime(hrtime_t ns); | |
9bb907bc | 480 | extern const char *spa_history_zone(void); |
95f71c01 EN |
481 | extern const char *zfs_active_allocator; |
482 | extern int param_set_active_allocator_common(const char *val); | |
7ef5e54e | 483 | |
34dc7c2f BB |
484 | #ifdef __cplusplus |
485 | } | |
486 | #endif | |
487 | ||
488 | #endif /* _SYS_SPA_IMPL_H */ |