1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 223f9d6ad7SLin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 235cabbc6bSPrashanth Sreenivasa * Copyright (c) 2011, 2018 by Delphix. All rights reserved. 24e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25bc9014e6SJustin Gibbs * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. 2645818ee1SMatthew Ahrens * Copyright 2013 Saso Kiselkov. All rights reserved. 271702cce7SAlek Pinchuk * Copyright (c) 2017 Datto Inc. 28663207adSDon Brady * Copyright (c) 2017, Intel Corporation. 29fa9e4066Sahrens */ 30fa9e4066Sahrens 31fa9e4066Sahrens #ifndef _SYS_SPA_IMPL_H 32fa9e4066Sahrens #define _SYS_SPA_IMPL_H 33fa9e4066Sahrens 34fa9e4066Sahrens #include <sys/spa.h> 3586714001SSerapheim Dimitropoulos #include <sys/spa_checkpoint.h> 36fa9e4066Sahrens #include <sys/vdev.h> 375cabbc6bSPrashanth Sreenivasa #include <sys/vdev_removal.h> 38fa9e4066Sahrens #include <sys/metaslab.h> 39fa9e4066Sahrens #include <sys/dmu.h> 40fa9e4066Sahrens #include <sys/dsl_pool.h> 41fa9e4066Sahrens #include <sys/uberblock_impl.h> 42fa9e4066Sahrens #include <sys/zfs_context.h> 43fa9e4066Sahrens #include <sys/avl.h> 44fa9e4066Sahrens #include <sys/refcount.h> 45fa9e4066Sahrens #include <sys/bplist.h> 46cde58dbcSMatthew Ahrens #include <sys/bpobj.h> 475d7b4d43SMatthew Ahrens #include <sys/zfeature.h> 48667ec66fSSerapheim Dimitropoulos #include <sys/zthr.h> 4943466aaeSMax Grossman #include <zfeature_common.h> 50fa9e4066Sahrens 51fa9e4066Sahrens #ifdef __cplusplus 52fa9e4066Sahrens extern "C" { 53fa9e4066Sahrens #endif 54fa9e4066Sahrens 55ea8dc4b6Seschrock typedef struct spa_error_entry { 567802d7bfSMatthew Ahrens zbookmark_phys_t se_bookmark; 577802d7bfSMatthew Ahrens char *se_name; 587802d7bfSMatthew Ahrens avl_node_t se_avl; 59ea8dc4b6Seschrock } spa_error_entry_t; 60ea8dc4b6Seschrock 6106eeb2adSek typedef struct spa_history_phys { 6206eeb2adSek uint64_t sh_pool_create_len; /* ending offset of zpool create */ 6306eeb2adSek uint64_t sh_phys_max_off; /* physical EOF */ 6406eeb2adSek uint64_t sh_bof; /* logical BOF */ 6506eeb2adSek uint64_t sh_eof; /* logical EOF */ 6606eeb2adSek uint64_t sh_records_lost; /* num of records overwritten */ 6706eeb2adSek } spa_history_phys_t; 6806eeb2adSek 695cabbc6bSPrashanth Sreenivasa /* 705cabbc6bSPrashanth Sreenivasa * All members must be uint64_t, for byteswap purposes. 715cabbc6bSPrashanth Sreenivasa */ 725cabbc6bSPrashanth Sreenivasa typedef struct spa_removing_phys { 735cabbc6bSPrashanth Sreenivasa uint64_t sr_state; /* dsl_scan_state_t */ 745cabbc6bSPrashanth Sreenivasa 755cabbc6bSPrashanth Sreenivasa /* 765cabbc6bSPrashanth Sreenivasa * The vdev ID that we most recently attempted to remove, 775cabbc6bSPrashanth Sreenivasa * or -1 if no removal has been attempted. 785cabbc6bSPrashanth Sreenivasa */ 795cabbc6bSPrashanth Sreenivasa uint64_t sr_removing_vdev; 805cabbc6bSPrashanth Sreenivasa 815cabbc6bSPrashanth Sreenivasa /* 825cabbc6bSPrashanth Sreenivasa * The vdev ID that we most recently successfully removed, 835cabbc6bSPrashanth Sreenivasa * or -1 if no devices have been removed. 845cabbc6bSPrashanth Sreenivasa */ 855cabbc6bSPrashanth Sreenivasa uint64_t sr_prev_indirect_vdev; 865cabbc6bSPrashanth Sreenivasa 875cabbc6bSPrashanth Sreenivasa uint64_t sr_start_time; 885cabbc6bSPrashanth Sreenivasa uint64_t sr_end_time; 895cabbc6bSPrashanth Sreenivasa 905cabbc6bSPrashanth Sreenivasa /* 915cabbc6bSPrashanth Sreenivasa * Note that we can not use the space map's or indirect mapping's 925cabbc6bSPrashanth Sreenivasa * accounting as a substitute for these values, because we need to 935cabbc6bSPrashanth Sreenivasa * count frees of not-yet-copied data as though it did the copy. 945cabbc6bSPrashanth Sreenivasa * Otherwise, we could get into a situation where copied > to_copy, 955cabbc6bSPrashanth Sreenivasa * or we complete before copied == to_copy. 965cabbc6bSPrashanth Sreenivasa */ 975cabbc6bSPrashanth Sreenivasa uint64_t sr_to_copy; /* bytes that need to be copied */ 985cabbc6bSPrashanth Sreenivasa uint64_t sr_copied; /* bytes that have been copied or freed */ 995cabbc6bSPrashanth Sreenivasa } spa_removing_phys_t; 1005cabbc6bSPrashanth Sreenivasa 1015cabbc6bSPrashanth Sreenivasa /* 1025cabbc6bSPrashanth Sreenivasa * This struct is stored as an entry in the DMU_POOL_DIRECTORY_OBJECT 1035cabbc6bSPrashanth Sreenivasa * (with key DMU_POOL_CONDENSING_INDIRECT). It is present if a condense 1045cabbc6bSPrashanth Sreenivasa * of an indirect vdev's mapping object is in progress. 1055cabbc6bSPrashanth Sreenivasa */ 1065cabbc6bSPrashanth Sreenivasa typedef struct spa_condensing_indirect_phys { 1075cabbc6bSPrashanth Sreenivasa /* 1085cabbc6bSPrashanth Sreenivasa * The vdev ID of the indirect vdev whose indirect mapping is 1095cabbc6bSPrashanth Sreenivasa * being condensed. 1105cabbc6bSPrashanth Sreenivasa */ 1115cabbc6bSPrashanth Sreenivasa uint64_t scip_vdev; 1125cabbc6bSPrashanth Sreenivasa 1135cabbc6bSPrashanth Sreenivasa /* 1145cabbc6bSPrashanth Sreenivasa * The vdev's old obsolete spacemap. This spacemap's contents are 1155cabbc6bSPrashanth Sreenivasa * being integrated into the new mapping. 1165cabbc6bSPrashanth Sreenivasa */ 1175cabbc6bSPrashanth Sreenivasa uint64_t scip_prev_obsolete_sm_object; 1185cabbc6bSPrashanth Sreenivasa 1195cabbc6bSPrashanth Sreenivasa /* 1205cabbc6bSPrashanth Sreenivasa * The new mapping object that is being created. 1215cabbc6bSPrashanth Sreenivasa */ 1225cabbc6bSPrashanth Sreenivasa uint64_t scip_next_mapping_object; 1235cabbc6bSPrashanth Sreenivasa } spa_condensing_indirect_phys_t; 1245cabbc6bSPrashanth Sreenivasa 125fa94a07fSbrendan struct spa_aux_vdev { 126fa94a07fSbrendan uint64_t sav_object; /* MOS object for device list */ 127fa94a07fSbrendan nvlist_t *sav_config; /* cached device config */ 128fa94a07fSbrendan vdev_t **sav_vdevs; /* devices */ 129fa94a07fSbrendan int sav_count; /* number devices */ 130fa94a07fSbrendan boolean_t sav_sync; /* sync the device list */ 131fa94a07fSbrendan nvlist_t **sav_pending; /* pending device additions */ 132fa94a07fSbrendan uint_t sav_npending; /* # pending devices */ 133fa94a07fSbrendan }; 134fa94a07fSbrendan 135e05725b1Sbonwick typedef struct spa_config_lock { 136e05725b1Sbonwick kmutex_t scl_lock; 137e05725b1Sbonwick kthread_t *scl_writer; 138e14bb325SJeff Bonwick int scl_write_wanted; 139e05725b1Sbonwick kcondvar_t scl_cv; 140e914ace2STim Schumacher zfs_refcount_t scl_count; 141e05725b1Sbonwick } spa_config_lock_t; 142e05725b1Sbonwick 143c5904d13Seschrock typedef struct spa_config_dirent { 144c5904d13Seschrock list_node_t scd_link; 145c5904d13Seschrock char *scd_path; 146c5904d13Seschrock } spa_config_dirent_t; 147c5904d13Seschrock 148ec94d322SAdam Leventhal typedef enum zio_taskq_type { 149e14bb325SJeff Bonwick ZIO_TASKQ_ISSUE = 0, 15080eb36f2SGeorge Wilson ZIO_TASKQ_ISSUE_HIGH, 151e14bb325SJeff Bonwick ZIO_TASKQ_INTERRUPT, 15280eb36f2SGeorge Wilson ZIO_TASKQ_INTERRUPT_HIGH, 153e14bb325SJeff Bonwick ZIO_TASKQ_TYPES 154ec94d322SAdam Leventhal } zio_taskq_type_t; 155e14bb325SJeff Bonwick 15635a5a358SJonathan Adams /* 157ec94d322SAdam Leventhal * State machine for the zpool-poolname process. The states transitions 15835a5a358SJonathan Adams * are done as follows: 15935a5a358SJonathan Adams * 16035a5a358SJonathan Adams * From To Routine 16135a5a358SJonathan Adams * PROC_NONE -> PROC_CREATED spa_activate() 16235a5a358SJonathan Adams * PROC_CREATED -> PROC_ACTIVE spa_thread() 16335a5a358SJonathan Adams * PROC_ACTIVE -> PROC_DEACTIVATE spa_deactivate() 16435a5a358SJonathan Adams * PROC_DEACTIVATE -> PROC_GONE spa_thread() 16535a5a358SJonathan Adams * PROC_GONE -> PROC_NONE spa_deactivate() 16635a5a358SJonathan Adams */ 16735a5a358SJonathan Adams typedef enum spa_proc_state { 16835a5a358SJonathan Adams SPA_PROC_NONE, /* spa_proc = &p0, no process created */ 16935a5a358SJonathan Adams SPA_PROC_CREATED, /* spa_activate() has proc, is waiting */ 17035a5a358SJonathan Adams SPA_PROC_ACTIVE, /* taskqs created, spa_proc set */ 17135a5a358SJonathan Adams SPA_PROC_DEACTIVATE, /* spa_deactivate() requests process exit */ 17235a5a358SJonathan Adams SPA_PROC_GONE /* spa_thread() is exiting, spa_proc = &p0 */ 17335a5a358SJonathan Adams } spa_proc_state_t; 17435a5a358SJonathan Adams 175ec94d322SAdam Leventhal typedef struct spa_taskqs { 176ec94d322SAdam Leventhal uint_t stqs_count; 177ec94d322SAdam Leventhal taskq_t **stqs_taskq; 178ec94d322SAdam Leventhal } spa_taskqs_t; 179ec94d322SAdam Leventhal 180215198a6SJoe Stein typedef enum spa_all_vdev_zap_action { 181215198a6SJoe Stein AVZ_ACTION_NONE = 0, 182215198a6SJoe Stein AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */ 183555da511SPaul Dagnelie AVZ_ACTION_REBUILD, /* Populate the new AVZ, see spa_avz_rebuild */ 184555da511SPaul Dagnelie AVZ_ACTION_INITIALIZE 185215198a6SJoe Stein } spa_avz_action_t; 186215198a6SJoe Stein 1876f793812SPavel Zakharov typedef enum spa_config_source { 1886f793812SPavel Zakharov SPA_CONFIG_SRC_NONE = 0, 1896f793812SPavel Zakharov SPA_CONFIG_SRC_SCAN, /* scan of path (default: /dev/dsk) */ 1906f793812SPavel Zakharov SPA_CONFIG_SRC_CACHEFILE, /* any cachefile */ 1916f793812SPavel Zakharov SPA_CONFIG_SRC_TRYIMPORT, /* returned from call to tryimport */ 1926f793812SPavel Zakharov SPA_CONFIG_SRC_SPLIT, /* new pool in a pool split */ 1936f793812SPavel Zakharov SPA_CONFIG_SRC_MOS /* MOS, but not always from right txg */ 1946f793812SPavel Zakharov } spa_config_source_t; 1956f793812SPavel Zakharov 196fa9e4066Sahrens struct spa { 197fa9e4066Sahrens /* 198fa9e4066Sahrens * Fields protected by spa_namespace_lock. 199fa9e4066Sahrens */ 2009adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; /* pool name */ 2018704186eSDan McDonald char *spa_comment; /* comment */ 2020373e76bSbonwick avl_node_t spa_avl; /* node in spa_namespace_avl */ 2030373e76bSbonwick nvlist_t *spa_config; /* last synced config */ 2040373e76bSbonwick nvlist_t *spa_config_syncing; /* currently syncing config */ 2051195e687SMark J Musante nvlist_t *spa_config_splitting; /* config for splitting */ 2064b964adaSGeorge Wilson nvlist_t *spa_load_info; /* info and errors from load */ 207fa9e4066Sahrens uint64_t spa_config_txg; /* txg of last config change */ 208fa9e4066Sahrens int spa_sync_pass; /* iterate-to-convergence */ 20988b7b0f2SMatthew Ahrens pool_state_t spa_state; /* pool state */ 210ea8dc4b6Seschrock int spa_inject_ref; /* injection references */ 211ea8dc4b6Seschrock uint8_t spa_sync_on; /* sync threads are running */ 212ea8dc4b6Seschrock spa_load_state_t spa_load_state; /* current load operation */ 2135cabbc6bSPrashanth Sreenivasa boolean_t spa_indirect_vdevs_loaded; /* mappings loaded? */ 2146f793812SPavel Zakharov boolean_t spa_trust_config; /* do we trust vdev tree? */ 2156f793812SPavel Zakharov spa_config_source_t spa_config_source; /* where config comes from? */ 2164b964adaSGeorge Wilson uint64_t spa_import_flags; /* import specific flags */ 217ec94d322SAdam Leventhal spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES]; 218fa9e4066Sahrens dsl_pool_t *spa_dsl_pool; 219ad135b5dSChristopher Siden boolean_t spa_is_initializing; /* true while opening pool */ 220fa9e4066Sahrens metaslab_class_t *spa_normal_class; /* normal data class */ 2218654d025Sperrin metaslab_class_t *spa_log_class; /* intent log data class */ 222663207adSDon Brady metaslab_class_t *spa_special_class; /* special allocation class */ 223663207adSDon Brady metaslab_class_t *spa_dedup_class; /* dedup allocation class */ 224fa9e4066Sahrens uint64_t spa_first_txg; /* first txg after spa_open() */ 2250373e76bSbonwick uint64_t spa_final_txg; /* txg of export/destroy */ 226fa9e4066Sahrens uint64_t spa_freeze_txg; /* freeze pool at this txg */ 227468c413aSTim Haley uint64_t spa_load_max_txg; /* best initial ub_txg */ 228b24ab676SJeff Bonwick uint64_t spa_claim_max_txg; /* highest claimed birth txg */ 22911027bc7STim Haley timespec_t spa_loaded_ts; /* 1st successful open time */ 230fa9e4066Sahrens objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ 231bc9014e6SJustin Gibbs kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */ 232bc9014e6SJustin Gibbs list_t spa_evicting_os_list; /* Objsets being evicted. */ 233bc9014e6SJustin Gibbs kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */ 234fa9e4066Sahrens txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ 235fa9e4066Sahrens vdev_t *spa_root_vdev; /* top-level vdev container */ 23681cd5c55SMatthew Ahrens int spa_min_ashift; /* of vdevs in normal class */ 23781cd5c55SMatthew Ahrens int spa_max_ashift; /* of vdevs in normal class */ 238e9103aaeSGarrett D'Amore uint64_t spa_config_guid; /* config pool guid */ 239e9103aaeSGarrett D'Amore uint64_t spa_load_guid; /* spa_load initialized guid */ 240dfbb9432SGeorge Wilson uint64_t spa_last_synced_guid; /* last synced guid */ 241e14bb325SJeff Bonwick list_t spa_config_dirty_list; /* vdevs with dirty config */ 242e14bb325SJeff Bonwick list_t spa_state_dirty_list; /* vdevs with dirty state */ 243f78cdc34SPaul Dagnelie /* 244f78cdc34SPaul Dagnelie * spa_alloc_locks and spa_alloc_trees are arrays, whose lengths are 245f78cdc34SPaul Dagnelie * stored in spa_alloc_count. There is one tree and one lock for each 246f78cdc34SPaul Dagnelie * allocator, to help improve allocation performance in write-heavy 247f78cdc34SPaul Dagnelie * workloads. 248f78cdc34SPaul Dagnelie */ 249f78cdc34SPaul Dagnelie kmutex_t *spa_alloc_locks; 250f78cdc34SPaul Dagnelie avl_tree_t *spa_alloc_trees; 251f78cdc34SPaul Dagnelie int spa_alloc_count; 252f78cdc34SPaul Dagnelie 253fa94a07fSbrendan spa_aux_vdev_t spa_spares; /* hot spares */ 254fa94a07fSbrendan spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */ 255ad135b5dSChristopher Siden nvlist_t *spa_label_features; /* Features for reading MOS */ 256fa9e4066Sahrens uint64_t spa_config_object; /* MOS object for pool config */ 2578f18d1faSGeorge Wilson uint64_t spa_config_generation; /* config generation number */ 258fa9e4066Sahrens uint64_t spa_syncing_txg; /* txg currently syncing */ 259cde58dbcSMatthew Ahrens bpobj_t spa_deferred_bpobj; /* deferred-free bplist */ 260b24ab676SJeff Bonwick bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */ 26145818ee1SMatthew Ahrens zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */ 26245818ee1SMatthew Ahrens /* checksum context templates */ 26345818ee1SMatthew Ahrens kmutex_t spa_cksum_tmpls_lock; 26445818ee1SMatthew Ahrens void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS]; 265fa9e4066Sahrens uberblock_t spa_ubsync; /* last synced uberblock */ 266fa9e4066Sahrens uberblock_t spa_uberblock; /* current uberblock */ 267468c413aSTim Haley boolean_t spa_extreme_rewind; /* rewind past deferred frees */ 268fa9e4066Sahrens kmutex_t spa_scrub_lock; /* resilver/scrub lock */ 269a3874b8bSToomas Soome uint64_t spa_scrub_inflight; /* in-flight scrub bytes */ 270a3874b8bSToomas Soome uint64_t spa_load_verify_ios; /* in-flight verification IOs */ 271fa9e4066Sahrens kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ 272fa9e4066Sahrens uint8_t spa_scrub_active; /* active or suspended? */ 273fa9e4066Sahrens uint8_t spa_scrub_type; /* type of scrub we're doing */ 2740373e76bSbonwick uint8_t spa_scrub_finished; /* indicator to rotate logs */ 275088f3894Sahrens uint8_t spa_scrub_started; /* started since last boot */ 276088f3894Sahrens uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */ 2773f9d6ad7SLin Ling uint64_t spa_scan_pass_start; /* start time per pass/reboot */ 2781702cce7SAlek Pinchuk uint64_t spa_scan_pass_scrub_pause; /* scrub pause time */ 2791702cce7SAlek Pinchuk uint64_t spa_scan_pass_scrub_spent_paused; /* total paused */ 2803f9d6ad7SLin Ling uint64_t spa_scan_pass_exam; /* examined bytes per pass */ 281a3874b8bSToomas Soome uint64_t spa_scan_pass_issued; /* issued bytes per pass */ 282*e4c795beSTom Caputi 283*e4c795beSTom Caputi /* 284*e4c795beSTom Caputi * We are in the middle of a resilver, and another resilver 285*e4c795beSTom Caputi * is needed once this one completes. This is set iff any 286*e4c795beSTom Caputi * vdev_resilver_deferred is set. 287*e4c795beSTom Caputi */ 288*e4c795beSTom Caputi boolean_t spa_resilver_deferred; 289ea8dc4b6Seschrock kmutex_t spa_async_lock; /* protect async state */ 290ea8dc4b6Seschrock kthread_t *spa_async_thread; /* thread doing async task */ 291ea8dc4b6Seschrock int spa_async_suspended; /* async tasks suspended */ 292ea8dc4b6Seschrock kcondvar_t spa_async_cv; /* wait for thread_exit() */ 293ea8dc4b6Seschrock uint16_t spa_async_tasks; /* async task mask */ 2946f793812SPavel Zakharov uint64_t spa_missing_tvds; /* unopenable tvds on load */ 2956f793812SPavel Zakharov uint64_t spa_missing_tvds_allowed; /* allow loading spa? */ 2965cabbc6bSPrashanth Sreenivasa 2975cabbc6bSPrashanth Sreenivasa spa_removing_phys_t spa_removing_phys; 2985cabbc6bSPrashanth Sreenivasa spa_vdev_removal_t *spa_vdev_removal; 2995cabbc6bSPrashanth Sreenivasa 3005cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_phys_t spa_condensing_indirect_phys; 3015cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_t *spa_condensing_indirect; 302667ec66fSSerapheim Dimitropoulos zthr_t *spa_condense_zthr; /* zthr doing condense. */ 3035cabbc6bSPrashanth Sreenivasa 30486714001SSerapheim Dimitropoulos uint64_t spa_checkpoint_txg; /* the txg of the checkpoint */ 30586714001SSerapheim Dimitropoulos spa_checkpoint_info_t spa_checkpoint_info; /* checkpoint accounting */ 30686714001SSerapheim Dimitropoulos zthr_t *spa_checkpoint_discard_zthr; 30786714001SSerapheim Dimitropoulos 308fa9e4066Sahrens char *spa_root; /* alternate root directory */ 309ea8dc4b6Seschrock uint64_t spa_ena; /* spa-wide ereport ENA */ 310468c413aSTim Haley int spa_last_open_failed; /* error if last open failed */ 311468c413aSTim Haley uint64_t spa_last_ubsync_txg; /* "best" uberblock txg */ 312468c413aSTim Haley uint64_t spa_last_ubsync_txg_ts; /* timestamp from that ub */ 313468c413aSTim Haley uint64_t spa_load_txg; /* ub txg that loaded */ 314468c413aSTim Haley uint64_t spa_load_txg_ts; /* timestamp from that ub */ 315468c413aSTim Haley uint64_t spa_load_meta_errors; /* verify metadata err count */ 316468c413aSTim Haley uint64_t spa_load_data_errors; /* verify data err count */ 317468c413aSTim Haley uint64_t spa_verify_min_txg; /* start txg of verify scrub */ 318ea8dc4b6Seschrock kmutex_t spa_errlog_lock; /* error log lock */ 319ea8dc4b6Seschrock uint64_t spa_errlog_last; /* last error log object */ 320ea8dc4b6Seschrock uint64_t spa_errlog_scrub; /* scrub error log object */ 321ea8dc4b6Seschrock kmutex_t spa_errlist_lock; /* error list/ereport lock */ 322ea8dc4b6Seschrock avl_tree_t spa_errlist_last; /* last error list */ 323ea8dc4b6Seschrock avl_tree_t spa_errlist_scrub; /* scrub error list */ 32499653d4eSeschrock uint64_t spa_deflate; /* should we deflate? */ 32506eeb2adSek uint64_t spa_history; /* history object */ 32606eeb2adSek kmutex_t spa_history_lock; /* history lock */ 32739c23413Seschrock vdev_t *spa_pending_vdev; /* pending vdev additions */ 328b1b8ab34Slling kmutex_t spa_props_lock; /* property lock */ 329b1b8ab34Slling uint64_t spa_pool_props_object; /* object for properties */ 330b1b8ab34Slling uint64_t spa_bootfs; /* default boot filesystem */ 331e14bb325SJeff Bonwick uint64_t spa_failmode; /* failure mode for the pool */ 332e14bb325SJeff Bonwick uint64_t spa_delegation; /* delegation on/off */ 333c5904d13Seschrock list_t spa_config_list; /* previous cache file(s) */ 3346f834bc1SMatthew Ahrens /* per-CPU array of root of async I/O: */ 3356f834bc1SMatthew Ahrens zio_t **spa_async_zio_root; 336e14bb325SJeff Bonwick zio_t *spa_suspend_zio_root; /* root of all suspended I/O */ 3375cabbc6bSPrashanth Sreenivasa zio_t *spa_txg_zio[TXG_SIZE]; /* spa_sync() waits for this */ 338e14bb325SJeff Bonwick kmutex_t spa_suspend_lock; /* protects suspend_zio_root */ 339e14bb325SJeff Bonwick kcondvar_t spa_suspend_cv; /* notification of resume */ 340e0f1c0afSOlaf Faaland zio_suspend_reason_t spa_suspended; /* pool is suspended */ 341b24ab676SJeff Bonwick uint8_t spa_claiming; /* pool is doing zil_claim() */ 342bf82a41bSeschrock boolean_t spa_is_root; /* pool is root */ 343088f3894Sahrens int spa_minref; /* num refs when first opened */ 3448ad4d6ddSJeff Bonwick int spa_mode; /* FREAD | FWRITE */ 345b87f3af3Sperrin spa_log_state_t spa_log_state; /* log state */ 346573ca77eSGeorge Wilson uint64_t spa_autoexpand; /* lun expansion on/off */ 3477855d95bSToomas Soome uint64_t spa_bootsize; /* efi system partition size */ 348b24ab676SJeff Bonwick ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */ 349b24ab676SJeff Bonwick uint64_t spa_ddt_stat_object; /* DDT statistics */ 350b24ab676SJeff Bonwick uint64_t spa_dedup_ditto; /* dedup ditto threshold */ 351b24ab676SJeff Bonwick uint64_t spa_dedup_checksum; /* default dedup checksum */ 352485bbbf5SGeorge Wilson uint64_t spa_dspace; /* dspace in normal class */ 353a1521560SJeff Bonwick kmutex_t spa_vdev_top_lock; /* dueling offline/remove */ 35435a5a358SJonathan Adams kmutex_t spa_proc_lock; /* protects spa_proc* */ 35535a5a358SJonathan Adams kcondvar_t spa_proc_cv; /* spa_proc_state transitions */ 35635a5a358SJonathan Adams spa_proc_state_t spa_proc_state; /* see definition */ 35735a5a358SJonathan Adams struct proc *spa_proc; /* "zpool-poolname" process */ 35835a5a358SJonathan Adams uint64_t spa_did; /* if procp != p0, did of t1 */ 359b693757aSEric Schrock boolean_t spa_autoreplace; /* autoreplace set in open */ 3608f18d1faSGeorge Wilson int spa_vdev_locks; /* locks grabbed */ 3613f9d6ad7SLin Ling uint64_t spa_creation_version; /* version at pool creation */ 362ad135b5dSChristopher Siden uint64_t spa_prev_software_version; /* See ub_software_version */ 363ad135b5dSChristopher Siden uint64_t spa_feat_for_write_obj; /* required to write to pool */ 364ad135b5dSChristopher Siden uint64_t spa_feat_for_read_obj; /* required to read from pool */ 365ad135b5dSChristopher Siden uint64_t spa_feat_desc_obj; /* Feature descriptions */ 36643466aaeSMax Grossman uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */ 36743466aaeSMax Grossman /* cache feature refcounts */ 36843466aaeSMax Grossman uint64_t spa_feat_refcount_cache[SPA_FEATURES]; 369283b8460SGeorge.Wilson cyclic_id_t spa_deadman_cycid; /* cyclic id */ 370283b8460SGeorge.Wilson uint64_t spa_deadman_calls; /* number of deadman calls */ 37169962b56SMatthew Ahrens hrtime_t spa_sync_starttime; /* starting time fo spa_sync */ 372283b8460SGeorge.Wilson uint64_t spa_deadman_synctime; /* deadman expiration timer */ 373215198a6SJoe Stein uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */ 374215198a6SJoe Stein spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */ 37569962b56SMatthew Ahrens 37669962b56SMatthew Ahrens /* 37769962b56SMatthew Ahrens * spa_iokstat_lock protects spa_iokstat and 37869962b56SMatthew Ahrens * spa_queue_stats[]. 37969962b56SMatthew Ahrens */ 38069962b56SMatthew Ahrens kmutex_t spa_iokstat_lock; 381c3a66015SMatthew Ahrens struct kstat *spa_iokstat; /* kstat of io to this pool */ 38269962b56SMatthew Ahrens struct { 38369962b56SMatthew Ahrens int spa_active; 38469962b56SMatthew Ahrens int spa_queued; 38569962b56SMatthew Ahrens } spa_queue_stats[ZIO_PRIORITY_NUM_QUEUEABLE]; 38669962b56SMatthew Ahrens 387abe1fd01SDon Brady /* arc_memory_throttle() parameters during low memory condition */ 388abe1fd01SDon Brady uint64_t spa_lowmem_page_load; /* memory load during txg */ 389abe1fd01SDon Brady uint64_t spa_lowmem_last_txg; /* txg window start */ 390abe1fd01SDon Brady 3913cb69f73SWill Andrews hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */ 39269962b56SMatthew Ahrens 393e0f1c0afSOlaf Faaland uint64_t spa_multihost; /* multihost aware (mmp) */ 394e0f1c0afSOlaf Faaland mmp_thread_t spa_mmp; /* multihost mmp thread */ 395e0f1c0afSOlaf Faaland list_t spa_leaf_list; /* list of leaf vdevs */ 396e0f1c0afSOlaf Faaland uint64_t spa_leaf_list_gen; /* track leaf_list changes */ 397e0f1c0afSOlaf Faaland 398fa9e4066Sahrens /* 399f7170741SWill Andrews * spa_refcount & spa_config_lock must be the last elements 40091ebeef5Sahrens * because refcount_t changes size based on compilation options. 401e914ace2STim Schumacher * because zfs_refcount_t changes size based on compilation options. 40291ebeef5Sahrens * In order for the MDB module to function correctly, the other 40391ebeef5Sahrens * fields must remain in the same location. 404fa9e4066Sahrens */ 405e14bb325SJeff Bonwick spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */ 406e914ace2STim Schumacher zfs_refcount_t spa_refcount; /* number of opens */ 407fa9e4066Sahrens }; 408fa9e4066Sahrens 409c5904d13Seschrock extern const char *spa_config_path; 410fa9e4066Sahrens 411ec94d322SAdam Leventhal extern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q, 412ec94d322SAdam Leventhal task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent); 4135cabbc6bSPrashanth Sreenivasa extern void spa_load_spares(spa_t *spa); 4145cabbc6bSPrashanth Sreenivasa extern void spa_load_l2cache(spa_t *spa); 415ec94d322SAdam Leventhal 416fa9e4066Sahrens #ifdef __cplusplus 417fa9e4066Sahrens } 418fa9e4066Sahrens #endif 419fa9e4066Sahrens 420fa9e4066Sahrens #endif /* _SYS_SPA_IMPL_H */ 421