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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 | ||
e0ab3ab5 JS |
191 | typedef enum spa_all_vdev_zap_action { |
192 | AVZ_ACTION_NONE = 0, | |
193 | AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */ | |
38640550 DB |
194 | AVZ_ACTION_REBUILD, /* Populate the new AVZ, see spa_avz_rebuild */ |
195 | AVZ_ACTION_INITIALIZE | |
e0ab3ab5 JS |
196 | } spa_avz_action_t; |
197 | ||
6cb8e530 PZ |
198 | typedef enum spa_config_source { |
199 | SPA_CONFIG_SRC_NONE = 0, | |
200 | SPA_CONFIG_SRC_SCAN, /* scan of path (default: /dev/dsk) */ | |
201 | SPA_CONFIG_SRC_CACHEFILE, /* any cachefile */ | |
202 | SPA_CONFIG_SRC_TRYIMPORT, /* returned from call to tryimport */ | |
203 | SPA_CONFIG_SRC_SPLIT, /* new pool in a pool split */ | |
204 | SPA_CONFIG_SRC_MOS /* MOS, but not always from right txg */ | |
205 | } spa_config_source_t; | |
206 | ||
34dc7c2f BB |
207 | struct spa { |
208 | /* | |
209 | * Fields protected by spa_namespace_lock. | |
210 | */ | |
eca7b760 | 211 | char spa_name[ZFS_MAX_DATASET_NAME_LEN]; /* pool name */ |
d96eb2b1 | 212 | char *spa_comment; /* comment */ |
34dc7c2f BB |
213 | avl_node_t spa_avl; /* node in spa_namespace_avl */ |
214 | nvlist_t *spa_config; /* last synced config */ | |
215 | nvlist_t *spa_config_syncing; /* currently syncing config */ | |
428870ff | 216 | nvlist_t *spa_config_splitting; /* config for splitting */ |
572e2857 | 217 | nvlist_t *spa_load_info; /* info and errors from load */ |
34dc7c2f | 218 | uint64_t spa_config_txg; /* txg of last config change */ |
fdc2d303 | 219 | uint32_t spa_sync_pass; /* iterate-to-convergence */ |
b128c09f | 220 | pool_state_t spa_state; /* pool state */ |
34dc7c2f | 221 | int spa_inject_ref; /* injection references */ |
34dc7c2f BB |
222 | uint8_t spa_sync_on; /* sync threads are running */ |
223 | spa_load_state_t spa_load_state; /* current load operation */ | |
a1d477c2 | 224 | boolean_t spa_indirect_vdevs_loaded; /* mappings loaded? */ |
6cb8e530 | 225 | boolean_t spa_trust_config; /* do we trust vdev tree? */ |
8b27e08e | 226 | boolean_t spa_is_splitting; /* in the middle of a split? */ |
6cb8e530 | 227 | spa_config_source_t spa_config_source; /* where config comes from? */ |
572e2857 | 228 | uint64_t spa_import_flags; /* import specific flags */ |
7ef5e54e | 229 | spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES]; |
34dc7c2f | 230 | dsl_pool_t *spa_dsl_pool; |
9ae529ec | 231 | boolean_t spa_is_initializing; /* true while opening pool */ |
43a85362 | 232 | boolean_t spa_is_exporting; /* true while exporting pool */ |
34dc7c2f BB |
233 | metaslab_class_t *spa_normal_class; /* normal data class */ |
234 | metaslab_class_t *spa_log_class; /* intent log data class */ | |
aa755b35 | 235 | metaslab_class_t *spa_embedded_log_class; /* log on normal vdevs */ |
cc99f275 DB |
236 | metaslab_class_t *spa_special_class; /* special allocation class */ |
237 | metaslab_class_t *spa_dedup_class; /* dedup allocation class */ | |
34dc7c2f BB |
238 | uint64_t spa_first_txg; /* first txg after spa_open() */ |
239 | uint64_t spa_final_txg; /* txg of export/destroy */ | |
240 | uint64_t spa_freeze_txg; /* freeze pool at this txg */ | |
428870ff BB |
241 | uint64_t spa_load_max_txg; /* best initial ub_txg */ |
242 | uint64_t spa_claim_max_txg; /* highest claimed birth txg */ | |
6413c95f | 243 | inode_timespec_t spa_loaded_ts; /* 1st successful open time */ |
34dc7c2f | 244 | objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ |
0c66c32d JG |
245 | kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */ |
246 | list_t spa_evicting_os_list; /* Objsets being evicted. */ | |
247 | kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */ | |
34dc7c2f BB |
248 | txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ |
249 | vdev_t *spa_root_vdev; /* top-level vdev container */ | |
b2255edc BB |
250 | uint64_t spa_min_ashift; /* of vdevs in normal class */ |
251 | uint64_t spa_max_ashift; /* of vdevs in normal class */ | |
252 | uint64_t spa_min_alloc; /* of vdevs in normal class */ | |
3541dc6d GA |
253 | uint64_t spa_config_guid; /* config pool guid */ |
254 | uint64_t spa_load_guid; /* spa_load initialized guid */ | |
3bc7e0fb | 255 | uint64_t spa_last_synced_guid; /* last synced guid */ |
b128c09f BB |
256 | list_t spa_config_dirty_list; /* vdevs with dirty config */ |
257 | list_t spa_state_dirty_list; /* vdevs with dirty state */ | |
492f64e9 | 258 | /* |
1b50749c AM |
259 | * spa_allocs is an array, whose lengths is stored in spa_alloc_count. |
260 | * There is one tree and one lock for each allocator, to help improve | |
261 | * allocation performance in write-heavy workloads. | |
492f64e9 | 262 | */ |
1b50749c | 263 | spa_alloc_t *spa_allocs; |
492f64e9 PD |
264 | int spa_alloc_count; |
265 | ||
34dc7c2f BB |
266 | spa_aux_vdev_t spa_spares; /* hot spares */ |
267 | spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */ | |
9ae529ec | 268 | nvlist_t *spa_label_features; /* Features for reading MOS */ |
34dc7c2f | 269 | uint64_t spa_config_object; /* MOS object for pool config */ |
428870ff | 270 | uint64_t spa_config_generation; /* config generation number */ |
34dc7c2f | 271 | uint64_t spa_syncing_txg; /* txg currently syncing */ |
428870ff BB |
272 | bpobj_t spa_deferred_bpobj; /* deferred-free bplist */ |
273 | bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */ | |
3c67d83a TH |
274 | zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */ |
275 | /* checksum context templates */ | |
276 | kmutex_t spa_cksum_tmpls_lock; | |
277 | void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS]; | |
34dc7c2f BB |
278 | uberblock_t spa_ubsync; /* last synced uberblock */ |
279 | uberblock_t spa_uberblock; /* current uberblock */ | |
428870ff | 280 | boolean_t spa_extreme_rewind; /* rewind past deferred frees */ |
34dc7c2f | 281 | kmutex_t spa_scrub_lock; /* resilver/scrub lock */ |
d4a72f23 | 282 | uint64_t spa_scrub_inflight; /* in-flight scrub bytes */ |
c8242a96 GW |
283 | |
284 | /* in-flight verification bytes */ | |
285 | uint64_t spa_load_verify_bytes; | |
34dc7c2f | 286 | kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ |
34dc7c2f BB |
287 | uint8_t spa_scrub_active; /* active or suspended? */ |
288 | uint8_t spa_scrub_type; /* type of scrub we're doing */ | |
289 | uint8_t spa_scrub_finished; /* indicator to rotate logs */ | |
b128c09f BB |
290 | uint8_t spa_scrub_started; /* started since last boot */ |
291 | uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */ | |
428870ff | 292 | uint64_t spa_scan_pass_start; /* start time per pass/reboot */ |
0ea05c64 AP |
293 | uint64_t spa_scan_pass_scrub_pause; /* scrub pause time */ |
294 | uint64_t spa_scan_pass_scrub_spent_paused; /* total paused */ | |
428870ff | 295 | uint64_t spa_scan_pass_exam; /* examined bytes per pass */ |
d4a72f23 | 296 | uint64_t spa_scan_pass_issued; /* issued bytes per pass */ |
80a91e74 | 297 | |
482eeef8 GA |
298 | /* error scrub pause time in milliseconds */ |
299 | uint64_t spa_scan_pass_errorscrub_pause; | |
300 | /* total error scrub paused time in milliseconds */ | |
301 | uint64_t spa_scan_pass_errorscrub_spent_paused; | |
80a91e74 TC |
302 | /* |
303 | * We are in the middle of a resilver, and another resilver | |
304 | * is needed once this one completes. This is set iff any | |
305 | * vdev_resilver_deferred is set. | |
306 | */ | |
307 | boolean_t spa_resilver_deferred; | |
34dc7c2f BB |
308 | kmutex_t spa_async_lock; /* protect async state */ |
309 | kthread_t *spa_async_thread; /* thread doing async task */ | |
310 | int spa_async_suspended; /* async tasks suspended */ | |
311 | kcondvar_t spa_async_cv; /* wait for thread_exit() */ | |
312 | uint16_t spa_async_tasks; /* async task mask */ | |
6cb8e530 PZ |
313 | uint64_t spa_missing_tvds; /* unopenable tvds on load */ |
314 | uint64_t spa_missing_tvds_allowed; /* allow loading spa? */ | |
a1d477c2 | 315 | |
2a673e76 | 316 | uint64_t spa_nonallocating_dspace; |
a1d477c2 MA |
317 | spa_removing_phys_t spa_removing_phys; |
318 | spa_vdev_removal_t *spa_vdev_removal; | |
319 | ||
320 | spa_condensing_indirect_phys_t spa_condensing_indirect_phys; | |
321 | spa_condensing_indirect_t *spa_condensing_indirect; | |
9d5b5245 | 322 | zthr_t *spa_condense_zthr; /* zthr doing condense. */ |
a1d477c2 | 323 | |
d2734cce SD |
324 | uint64_t spa_checkpoint_txg; /* the txg of the checkpoint */ |
325 | spa_checkpoint_info_t spa_checkpoint_info; /* checkpoint accounting */ | |
326 | zthr_t *spa_checkpoint_discard_zthr; | |
327 | ||
93e28d66 SD |
328 | space_map_t *spa_syncing_log_sm; /* current log space map */ |
329 | avl_tree_t spa_sm_logs_by_txg; | |
330 | kmutex_t spa_flushed_ms_lock; /* for metaslabs_by_flushed */ | |
331 | avl_tree_t spa_metaslabs_by_flushed; | |
332 | spa_unflushed_stats_t spa_unflushed_stats; | |
333 | list_t spa_log_summary; | |
334 | uint64_t spa_log_flushall_txg; | |
335 | ||
37f03da8 SH |
336 | zthr_t *spa_livelist_delete_zthr; /* deleting livelists */ |
337 | zthr_t *spa_livelist_condense_zthr; /* condensing livelists */ | |
338 | uint64_t spa_livelists_to_delete; /* set of livelists to free */ | |
339 | livelist_condense_entry_t spa_to_condense; /* next to condense */ | |
340 | ||
34dc7c2f | 341 | char *spa_root; /* alternate root directory */ |
34dc7c2f | 342 | uint64_t spa_ena; /* spa-wide ereport ENA */ |
428870ff BB |
343 | int spa_last_open_failed; /* error if last open failed */ |
344 | uint64_t spa_last_ubsync_txg; /* "best" uberblock txg */ | |
345 | uint64_t spa_last_ubsync_txg_ts; /* timestamp from that ub */ | |
346 | uint64_t spa_load_txg; /* ub txg that loaded */ | |
347 | uint64_t spa_load_txg_ts; /* timestamp from that ub */ | |
348 | uint64_t spa_load_meta_errors; /* verify metadata err count */ | |
349 | uint64_t spa_load_data_errors; /* verify data err count */ | |
350 | uint64_t spa_verify_min_txg; /* start txg of verify scrub */ | |
34dc7c2f BB |
351 | kmutex_t spa_errlog_lock; /* error log lock */ |
352 | uint64_t spa_errlog_last; /* last error log object */ | |
353 | uint64_t spa_errlog_scrub; /* scrub error log object */ | |
354 | kmutex_t spa_errlist_lock; /* error list/ereport lock */ | |
355 | avl_tree_t spa_errlist_last; /* last error list */ | |
356 | avl_tree_t spa_errlist_scrub; /* scrub error list */ | |
e8cf3a4f | 357 | avl_tree_t spa_errlist_healed; /* list of healed blocks */ |
34dc7c2f BB |
358 | uint64_t spa_deflate; /* should we deflate? */ |
359 | uint64_t spa_history; /* history object */ | |
360 | kmutex_t spa_history_lock; /* history lock */ | |
361 | vdev_t *spa_pending_vdev; /* pending vdev additions */ | |
362 | kmutex_t spa_props_lock; /* property lock */ | |
363 | uint64_t spa_pool_props_object; /* object for properties */ | |
364 | uint64_t spa_bootfs; /* default boot filesystem */ | |
b128c09f | 365 | uint64_t spa_failmode; /* failure mode for the pool */ |
8fb1ede1 | 366 | uint64_t spa_deadman_failmode; /* failure mode for deadman */ |
b128c09f BB |
367 | uint64_t spa_delegation; /* delegation on/off */ |
368 | list_t spa_config_list; /* previous cache file(s) */ | |
e022864d MA |
369 | /* per-CPU array of root of async I/O: */ |
370 | zio_t **spa_async_zio_root; | |
b128c09f | 371 | zio_t *spa_suspend_zio_root; /* root of all suspended I/O */ |
a1d477c2 | 372 | zio_t *spa_txg_zio[TXG_SIZE]; /* spa_sync() waits for this */ |
b128c09f BB |
373 | kmutex_t spa_suspend_lock; /* protects suspend_zio_root */ |
374 | kcondvar_t spa_suspend_cv; /* notification of resume */ | |
cec3a0a1 | 375 | zio_suspend_reason_t spa_suspended; /* pool is suspended */ |
428870ff | 376 | uint8_t spa_claiming; /* pool is doing zil_claim() */ |
b128c09f BB |
377 | boolean_t spa_is_root; /* pool is root */ |
378 | int spa_minref; /* num refs when first opened */ | |
da92d5cb | 379 | spa_mode_t spa_mode; /* SPA_MODE_{READ|WRITE} */ |
e39fe05b | 380 | boolean_t spa_read_spacemaps; /* spacemaps available if ro */ |
b128c09f | 381 | spa_log_state_t spa_log_state; /* log state */ |
9babb374 | 382 | uint64_t spa_autoexpand; /* lun expansion on/off */ |
428870ff BB |
383 | ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */ |
384 | uint64_t spa_ddt_stat_object; /* DDT statistics */ | |
e8a20144 | 385 | uint64_t spa_dedup_dspace; /* Cache get_dedup_dspace() */ |
428870ff BB |
386 | uint64_t spa_dedup_checksum; /* default dedup checksum */ |
387 | uint64_t spa_dspace; /* dspace in normal class */ | |
67a1b037 | 388 | struct brt *spa_brt; /* in-core BRT */ |
428870ff BB |
389 | kmutex_t spa_vdev_top_lock; /* dueling offline/remove */ |
390 | kmutex_t spa_proc_lock; /* protects spa_proc* */ | |
391 | kcondvar_t spa_proc_cv; /* spa_proc_state transitions */ | |
392 | spa_proc_state_t spa_proc_state; /* see definition */ | |
60101509 | 393 | proc_t *spa_proc; /* "zpool-poolname" process */ |
956f9401 | 394 | uintptr_t spa_did; /* if procp != p0, did of t1 */ |
428870ff BB |
395 | boolean_t spa_autoreplace; /* autoreplace set in open */ |
396 | int spa_vdev_locks; /* locks grabbed */ | |
397 | uint64_t spa_creation_version; /* version at pool creation */ | |
9ae529ec CS |
398 | uint64_t spa_prev_software_version; /* See ub_software_version */ |
399 | uint64_t spa_feat_for_write_obj; /* required to write to pool */ | |
400 | uint64_t spa_feat_for_read_obj; /* required to read from pool */ | |
401 | uint64_t spa_feat_desc_obj; /* Feature descriptions */ | |
b0bc7a84 | 402 | uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */ |
4eb30c68 | 403 | kmutex_t spa_feat_stats_lock; /* protects spa_feat_stats */ |
417104bd | 404 | nvlist_t *spa_feat_stats; /* Cache of enabled features */ |
b0bc7a84 MG |
405 | /* cache feature refcounts */ |
406 | uint64_t spa_feat_refcount_cache[SPA_FEATURES]; | |
cc92e9d0 GW |
407 | taskqid_t spa_deadman_tqid; /* Task id */ |
408 | uint64_t spa_deadman_calls; /* number of deadman calls */ | |
e8b96c60 | 409 | hrtime_t spa_sync_starttime; /* starting time of spa_sync */ |
8fb1ede1 BB |
410 | uint64_t spa_deadman_synctime; /* deadman sync expiration */ |
411 | uint64_t spa_deadman_ziotime; /* deadman zio expiration */ | |
e0ab3ab5 JS |
412 | uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */ |
413 | spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */ | |
1b939560 | 414 | uint64_t spa_autotrim; /* automatic background trim? */ |
ffe9d382 | 415 | uint64_t spa_errata; /* errata issues detected */ |
1421c891 | 416 | spa_stats_t spa_stats; /* assorted spa statistics */ |
b5256303 | 417 | spa_keystore_t spa_keystore; /* loaded crypto keys */ |
dae3e9ea DB |
418 | |
419 | /* arc_memory_throttle() parameters during low memory condition */ | |
420 | uint64_t spa_lowmem_page_load; /* memory load during txg */ | |
421 | uint64_t spa_lowmem_last_txg; /* txg window start */ | |
422 | ||
e6cfd633 | 423 | hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */ |
4e33ba4c | 424 | taskq_t *spa_zvol_taskq; /* Taskq for minor management */ |
77d8a0f1 | 425 | taskq_t *spa_prefetch_taskq; /* Taskq for prefetch threads */ |
379ca9cf OF |
426 | uint64_t spa_multihost; /* multihost aware (mmp) */ |
427 | mmp_thread_t spa_mmp; /* multihost mmp thread */ | |
3d31aad8 OF |
428 | list_t spa_leaf_list; /* list of leaf vdevs */ |
429 | uint64_t spa_leaf_list_gen; /* track leaf_list changes */ | |
25f06d67 | 430 | uint32_t spa_hostid; /* cached system hostid */ |
1421c891 | 431 | |
e60e158e JG |
432 | /* synchronization for threads in spa_wait */ |
433 | kmutex_t spa_activities_lock; | |
434 | kcondvar_t spa_activities_cv; | |
435 | kcondvar_t spa_waiters_cv; | |
436 | int spa_waiters; /* number of waiting threads */ | |
437 | boolean_t spa_waiters_cancel; /* waiters should return */ | |
438 | ||
658fb802 CB |
439 | char *spa_compatibility; /* compatibility file(s) */ |
440 | ||
34dc7c2f | 441 | /* |
d3cc8b15 | 442 | * spa_refcount & spa_config_lock must be the last elements |
c13060e4 | 443 | * because zfs_refcount_t changes size based on compilation options. |
34dc7c2f BB |
444 | * In order for the MDB module to function correctly, the other |
445 | * fields must remain in the same location. | |
446 | */ | |
b128c09f | 447 | spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */ |
c13060e4 | 448 | zfs_refcount_t spa_refcount; /* number of opens */ |
1de321e6 JX |
449 | |
450 | taskq_t *spa_upgrade_taskq; /* taskq for upgrade jobs */ | |
34dc7c2f BB |
451 | }; |
452 | ||
c28b2279 | 453 | extern char *spa_config_path; |
18168da7 | 454 | extern const char *zfs_deadman_failmode; |
fdc2d303 | 455 | extern uint_t spa_slop_shift; |
7ef5e54e AL |
456 | extern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q, |
457 | task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent); | |
044baf00 BB |
458 | extern void spa_taskq_dispatch_sync(spa_t *, zio_type_t t, zio_taskq_type_t q, |
459 | task_func_t *func, void *arg, uint_t flags); | |
a1d477c2 MA |
460 | extern void spa_load_spares(spa_t *spa); |
461 | extern void spa_load_l2cache(spa_t *spa); | |
462 | extern sysevent_t *spa_event_create(spa_t *spa, vdev_t *vd, nvlist_t *hist_nvl, | |
463 | const char *name); | |
464 | extern void spa_event_post(sysevent_t *ev); | |
e64e84ec | 465 | extern int param_set_deadman_failmode_common(const char *val); |
57940b43 RM |
466 | extern void spa_set_deadman_synctime(hrtime_t ns); |
467 | extern void spa_set_deadman_ziotime(hrtime_t ns); | |
9bb907bc | 468 | extern const char *spa_history_zone(void); |
7ef5e54e | 469 | |
34dc7c2f BB |
470 | #ifdef __cplusplus |
471 | } | |
472 | #endif | |
473 | ||
474 | #endif /* _SYS_SPA_IMPL_H */ |