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. 23*5cabbc6bSPrashanth 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. 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens #ifndef _SYS_SPA_IMPL_H 31fa9e4066Sahrens #define _SYS_SPA_IMPL_H 32fa9e4066Sahrens 33fa9e4066Sahrens #include <sys/spa.h> 34fa9e4066Sahrens #include <sys/vdev.h> 35*5cabbc6bSPrashanth Sreenivasa #include <sys/vdev_removal.h> 36fa9e4066Sahrens #include <sys/metaslab.h> 37fa9e4066Sahrens #include <sys/dmu.h> 38fa9e4066Sahrens #include <sys/dsl_pool.h> 39fa9e4066Sahrens #include <sys/uberblock_impl.h> 40fa9e4066Sahrens #include <sys/zfs_context.h> 41fa9e4066Sahrens #include <sys/avl.h> 42fa9e4066Sahrens #include <sys/refcount.h> 43fa9e4066Sahrens #include <sys/bplist.h> 44cde58dbcSMatthew Ahrens #include <sys/bpobj.h> 455d7b4d43SMatthew Ahrens #include <sys/zfeature.h> 4643466aaeSMax Grossman #include <zfeature_common.h> 47fa9e4066Sahrens 48fa9e4066Sahrens #ifdef __cplusplus 49fa9e4066Sahrens extern "C" { 50fa9e4066Sahrens #endif 51fa9e4066Sahrens 52ea8dc4b6Seschrock typedef struct spa_error_entry { 537802d7bfSMatthew Ahrens zbookmark_phys_t se_bookmark; 547802d7bfSMatthew Ahrens char *se_name; 557802d7bfSMatthew Ahrens avl_node_t se_avl; 56ea8dc4b6Seschrock } spa_error_entry_t; 57ea8dc4b6Seschrock 5806eeb2adSek typedef struct spa_history_phys { 5906eeb2adSek uint64_t sh_pool_create_len; /* ending offset of zpool create */ 6006eeb2adSek uint64_t sh_phys_max_off; /* physical EOF */ 6106eeb2adSek uint64_t sh_bof; /* logical BOF */ 6206eeb2adSek uint64_t sh_eof; /* logical EOF */ 6306eeb2adSek uint64_t sh_records_lost; /* num of records overwritten */ 6406eeb2adSek } spa_history_phys_t; 6506eeb2adSek 66*5cabbc6bSPrashanth Sreenivasa /* 67*5cabbc6bSPrashanth Sreenivasa * All members must be uint64_t, for byteswap purposes. 68*5cabbc6bSPrashanth Sreenivasa */ 69*5cabbc6bSPrashanth Sreenivasa typedef struct spa_removing_phys { 70*5cabbc6bSPrashanth Sreenivasa uint64_t sr_state; /* dsl_scan_state_t */ 71*5cabbc6bSPrashanth Sreenivasa 72*5cabbc6bSPrashanth Sreenivasa /* 73*5cabbc6bSPrashanth Sreenivasa * The vdev ID that we most recently attempted to remove, 74*5cabbc6bSPrashanth Sreenivasa * or -1 if no removal has been attempted. 75*5cabbc6bSPrashanth Sreenivasa */ 76*5cabbc6bSPrashanth Sreenivasa uint64_t sr_removing_vdev; 77*5cabbc6bSPrashanth Sreenivasa 78*5cabbc6bSPrashanth Sreenivasa /* 79*5cabbc6bSPrashanth Sreenivasa * The vdev ID that we most recently successfully removed, 80*5cabbc6bSPrashanth Sreenivasa * or -1 if no devices have been removed. 81*5cabbc6bSPrashanth Sreenivasa */ 82*5cabbc6bSPrashanth Sreenivasa uint64_t sr_prev_indirect_vdev; 83*5cabbc6bSPrashanth Sreenivasa 84*5cabbc6bSPrashanth Sreenivasa uint64_t sr_start_time; 85*5cabbc6bSPrashanth Sreenivasa uint64_t sr_end_time; 86*5cabbc6bSPrashanth Sreenivasa 87*5cabbc6bSPrashanth Sreenivasa /* 88*5cabbc6bSPrashanth Sreenivasa * Note that we can not use the space map's or indirect mapping's 89*5cabbc6bSPrashanth Sreenivasa * accounting as a substitute for these values, because we need to 90*5cabbc6bSPrashanth Sreenivasa * count frees of not-yet-copied data as though it did the copy. 91*5cabbc6bSPrashanth Sreenivasa * Otherwise, we could get into a situation where copied > to_copy, 92*5cabbc6bSPrashanth Sreenivasa * or we complete before copied == to_copy. 93*5cabbc6bSPrashanth Sreenivasa */ 94*5cabbc6bSPrashanth Sreenivasa uint64_t sr_to_copy; /* bytes that need to be copied */ 95*5cabbc6bSPrashanth Sreenivasa uint64_t sr_copied; /* bytes that have been copied or freed */ 96*5cabbc6bSPrashanth Sreenivasa } spa_removing_phys_t; 97*5cabbc6bSPrashanth Sreenivasa 98*5cabbc6bSPrashanth Sreenivasa /* 99*5cabbc6bSPrashanth Sreenivasa * This struct is stored as an entry in the DMU_POOL_DIRECTORY_OBJECT 100*5cabbc6bSPrashanth Sreenivasa * (with key DMU_POOL_CONDENSING_INDIRECT). It is present if a condense 101*5cabbc6bSPrashanth Sreenivasa * of an indirect vdev's mapping object is in progress. 102*5cabbc6bSPrashanth Sreenivasa */ 103*5cabbc6bSPrashanth Sreenivasa typedef struct spa_condensing_indirect_phys { 104*5cabbc6bSPrashanth Sreenivasa /* 105*5cabbc6bSPrashanth Sreenivasa * The vdev ID of the indirect vdev whose indirect mapping is 106*5cabbc6bSPrashanth Sreenivasa * being condensed. 107*5cabbc6bSPrashanth Sreenivasa */ 108*5cabbc6bSPrashanth Sreenivasa uint64_t scip_vdev; 109*5cabbc6bSPrashanth Sreenivasa 110*5cabbc6bSPrashanth Sreenivasa /* 111*5cabbc6bSPrashanth Sreenivasa * The vdev's old obsolete spacemap. This spacemap's contents are 112*5cabbc6bSPrashanth Sreenivasa * being integrated into the new mapping. 113*5cabbc6bSPrashanth Sreenivasa */ 114*5cabbc6bSPrashanth Sreenivasa uint64_t scip_prev_obsolete_sm_object; 115*5cabbc6bSPrashanth Sreenivasa 116*5cabbc6bSPrashanth Sreenivasa /* 117*5cabbc6bSPrashanth Sreenivasa * The new mapping object that is being created. 118*5cabbc6bSPrashanth Sreenivasa */ 119*5cabbc6bSPrashanth Sreenivasa uint64_t scip_next_mapping_object; 120*5cabbc6bSPrashanth Sreenivasa } spa_condensing_indirect_phys_t; 121*5cabbc6bSPrashanth Sreenivasa 122fa94a07fSbrendan struct spa_aux_vdev { 123fa94a07fSbrendan uint64_t sav_object; /* MOS object for device list */ 124fa94a07fSbrendan nvlist_t *sav_config; /* cached device config */ 125fa94a07fSbrendan vdev_t **sav_vdevs; /* devices */ 126fa94a07fSbrendan int sav_count; /* number devices */ 127fa94a07fSbrendan boolean_t sav_sync; /* sync the device list */ 128fa94a07fSbrendan nvlist_t **sav_pending; /* pending device additions */ 129fa94a07fSbrendan uint_t sav_npending; /* # pending devices */ 130fa94a07fSbrendan }; 131fa94a07fSbrendan 132e05725b1Sbonwick typedef struct spa_config_lock { 133e05725b1Sbonwick kmutex_t scl_lock; 134e05725b1Sbonwick kthread_t *scl_writer; 135e14bb325SJeff Bonwick int scl_write_wanted; 136e05725b1Sbonwick kcondvar_t scl_cv; 137e05725b1Sbonwick refcount_t scl_count; 138e05725b1Sbonwick } spa_config_lock_t; 139e05725b1Sbonwick 140c5904d13Seschrock typedef struct spa_config_dirent { 141c5904d13Seschrock list_node_t scd_link; 142c5904d13Seschrock char *scd_path; 143c5904d13Seschrock } spa_config_dirent_t; 144c5904d13Seschrock 145ec94d322SAdam Leventhal typedef enum zio_taskq_type { 146e14bb325SJeff Bonwick ZIO_TASKQ_ISSUE = 0, 14780eb36f2SGeorge Wilson ZIO_TASKQ_ISSUE_HIGH, 148e14bb325SJeff Bonwick ZIO_TASKQ_INTERRUPT, 14980eb36f2SGeorge Wilson ZIO_TASKQ_INTERRUPT_HIGH, 150e14bb325SJeff Bonwick ZIO_TASKQ_TYPES 151ec94d322SAdam Leventhal } zio_taskq_type_t; 152e14bb325SJeff Bonwick 15335a5a358SJonathan Adams /* 154ec94d322SAdam Leventhal * State machine for the zpool-poolname process. The states transitions 15535a5a358SJonathan Adams * are done as follows: 15635a5a358SJonathan Adams * 15735a5a358SJonathan Adams * From To Routine 15835a5a358SJonathan Adams * PROC_NONE -> PROC_CREATED spa_activate() 15935a5a358SJonathan Adams * PROC_CREATED -> PROC_ACTIVE spa_thread() 16035a5a358SJonathan Adams * PROC_ACTIVE -> PROC_DEACTIVATE spa_deactivate() 16135a5a358SJonathan Adams * PROC_DEACTIVATE -> PROC_GONE spa_thread() 16235a5a358SJonathan Adams * PROC_GONE -> PROC_NONE spa_deactivate() 16335a5a358SJonathan Adams */ 16435a5a358SJonathan Adams typedef enum spa_proc_state { 16535a5a358SJonathan Adams SPA_PROC_NONE, /* spa_proc = &p0, no process created */ 16635a5a358SJonathan Adams SPA_PROC_CREATED, /* spa_activate() has proc, is waiting */ 16735a5a358SJonathan Adams SPA_PROC_ACTIVE, /* taskqs created, spa_proc set */ 16835a5a358SJonathan Adams SPA_PROC_DEACTIVATE, /* spa_deactivate() requests process exit */ 16935a5a358SJonathan Adams SPA_PROC_GONE /* spa_thread() is exiting, spa_proc = &p0 */ 17035a5a358SJonathan Adams } spa_proc_state_t; 17135a5a358SJonathan Adams 172ec94d322SAdam Leventhal typedef struct spa_taskqs { 173ec94d322SAdam Leventhal uint_t stqs_count; 174ec94d322SAdam Leventhal taskq_t **stqs_taskq; 175ec94d322SAdam Leventhal } spa_taskqs_t; 176ec94d322SAdam Leventhal 177215198a6SJoe Stein typedef enum spa_all_vdev_zap_action { 178215198a6SJoe Stein AVZ_ACTION_NONE = 0, 179215198a6SJoe Stein AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */ 180555da511SPaul Dagnelie AVZ_ACTION_REBUILD, /* Populate the new AVZ, see spa_avz_rebuild */ 181555da511SPaul Dagnelie AVZ_ACTION_INITIALIZE 182215198a6SJoe Stein } spa_avz_action_t; 183215198a6SJoe Stein 184fa9e4066Sahrens struct spa { 185fa9e4066Sahrens /* 186fa9e4066Sahrens * Fields protected by spa_namespace_lock. 187fa9e4066Sahrens */ 1889adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; /* pool name */ 1898704186eSDan McDonald char *spa_comment; /* comment */ 1900373e76bSbonwick avl_node_t spa_avl; /* node in spa_namespace_avl */ 1910373e76bSbonwick nvlist_t *spa_config; /* last synced config */ 1920373e76bSbonwick nvlist_t *spa_config_syncing; /* currently syncing config */ 1931195e687SMark J Musante nvlist_t *spa_config_splitting; /* config for splitting */ 1944b964adaSGeorge Wilson nvlist_t *spa_load_info; /* info and errors from load */ 195fa9e4066Sahrens uint64_t spa_config_txg; /* txg of last config change */ 196fa9e4066Sahrens int spa_sync_pass; /* iterate-to-convergence */ 19788b7b0f2SMatthew Ahrens pool_state_t spa_state; /* pool state */ 198ea8dc4b6Seschrock int spa_inject_ref; /* injection references */ 199ea8dc4b6Seschrock uint8_t spa_sync_on; /* sync threads are running */ 200ea8dc4b6Seschrock spa_load_state_t spa_load_state; /* current load operation */ 201*5cabbc6bSPrashanth Sreenivasa boolean_t spa_indirect_vdevs_loaded; /* mappings loaded? */ 2024b964adaSGeorge Wilson uint64_t spa_import_flags; /* import specific flags */ 203ec94d322SAdam Leventhal spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES]; 204fa9e4066Sahrens dsl_pool_t *spa_dsl_pool; 205ad135b5dSChristopher Siden boolean_t spa_is_initializing; /* true while opening pool */ 206fa9e4066Sahrens metaslab_class_t *spa_normal_class; /* normal data class */ 2078654d025Sperrin metaslab_class_t *spa_log_class; /* intent log data class */ 208fa9e4066Sahrens uint64_t spa_first_txg; /* first txg after spa_open() */ 2090373e76bSbonwick uint64_t spa_final_txg; /* txg of export/destroy */ 210fa9e4066Sahrens uint64_t spa_freeze_txg; /* freeze pool at this txg */ 211468c413aSTim Haley uint64_t spa_load_max_txg; /* best initial ub_txg */ 212b24ab676SJeff Bonwick uint64_t spa_claim_max_txg; /* highest claimed birth txg */ 21311027bc7STim Haley timespec_t spa_loaded_ts; /* 1st successful open time */ 214fa9e4066Sahrens objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ 215bc9014e6SJustin Gibbs kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */ 216bc9014e6SJustin Gibbs list_t spa_evicting_os_list; /* Objsets being evicted. */ 217bc9014e6SJustin Gibbs kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */ 218fa9e4066Sahrens txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ 219fa9e4066Sahrens vdev_t *spa_root_vdev; /* top-level vdev container */ 22081cd5c55SMatthew Ahrens int spa_min_ashift; /* of vdevs in normal class */ 22181cd5c55SMatthew Ahrens int spa_max_ashift; /* of vdevs in normal class */ 222e9103aaeSGarrett D'Amore uint64_t spa_config_guid; /* config pool guid */ 223e9103aaeSGarrett D'Amore uint64_t spa_load_guid; /* spa_load initialized guid */ 224dfbb9432SGeorge Wilson uint64_t spa_last_synced_guid; /* last synced guid */ 225e14bb325SJeff Bonwick list_t spa_config_dirty_list; /* vdevs with dirty config */ 226e14bb325SJeff Bonwick list_t spa_state_dirty_list; /* vdevs with dirty state */ 2270f7643c7SGeorge Wilson kmutex_t spa_alloc_lock; 2280f7643c7SGeorge Wilson avl_tree_t spa_alloc_tree; 229fa94a07fSbrendan spa_aux_vdev_t spa_spares; /* hot spares */ 230fa94a07fSbrendan spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */ 231ad135b5dSChristopher Siden nvlist_t *spa_label_features; /* Features for reading MOS */ 232fa9e4066Sahrens uint64_t spa_config_object; /* MOS object for pool config */ 2338f18d1faSGeorge Wilson uint64_t spa_config_generation; /* config generation number */ 234fa9e4066Sahrens uint64_t spa_syncing_txg; /* txg currently syncing */ 235cde58dbcSMatthew Ahrens bpobj_t spa_deferred_bpobj; /* deferred-free bplist */ 236b24ab676SJeff Bonwick bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */ 23745818ee1SMatthew Ahrens zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */ 23845818ee1SMatthew Ahrens /* checksum context templates */ 23945818ee1SMatthew Ahrens kmutex_t spa_cksum_tmpls_lock; 24045818ee1SMatthew Ahrens void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS]; 241fa9e4066Sahrens uberblock_t spa_ubsync; /* last synced uberblock */ 242fa9e4066Sahrens uberblock_t spa_uberblock; /* current uberblock */ 243468c413aSTim Haley boolean_t spa_extreme_rewind; /* rewind past deferred frees */ 24444ecc532SGeorge Wilson uint64_t spa_last_io; /* lbolt of last non-scan I/O */ 245fa9e4066Sahrens kmutex_t spa_scrub_lock; /* resilver/scrub lock */ 246fa9e4066Sahrens uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */ 247fa9e4066Sahrens kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ 248fa9e4066Sahrens uint8_t spa_scrub_active; /* active or suspended? */ 249fa9e4066Sahrens uint8_t spa_scrub_type; /* type of scrub we're doing */ 2500373e76bSbonwick uint8_t spa_scrub_finished; /* indicator to rotate logs */ 251088f3894Sahrens uint8_t spa_scrub_started; /* started since last boot */ 252088f3894Sahrens uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */ 2533f9d6ad7SLin Ling uint64_t spa_scan_pass_start; /* start time per pass/reboot */ 2541702cce7SAlek Pinchuk uint64_t spa_scan_pass_scrub_pause; /* scrub pause time */ 2551702cce7SAlek Pinchuk uint64_t spa_scan_pass_scrub_spent_paused; /* total paused */ 2563f9d6ad7SLin Ling uint64_t spa_scan_pass_exam; /* examined bytes per pass */ 257ea8dc4b6Seschrock kmutex_t spa_async_lock; /* protect async state */ 258ea8dc4b6Seschrock kthread_t *spa_async_thread; /* thread doing async task */ 259ea8dc4b6Seschrock int spa_async_suspended; /* async tasks suspended */ 260ea8dc4b6Seschrock kcondvar_t spa_async_cv; /* wait for thread_exit() */ 261ea8dc4b6Seschrock uint16_t spa_async_tasks; /* async task mask */ 262*5cabbc6bSPrashanth Sreenivasa 263*5cabbc6bSPrashanth Sreenivasa spa_removing_phys_t spa_removing_phys; 264*5cabbc6bSPrashanth Sreenivasa spa_vdev_removal_t *spa_vdev_removal; 265*5cabbc6bSPrashanth Sreenivasa 266*5cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_phys_t spa_condensing_indirect_phys; 267*5cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_t *spa_condensing_indirect; 268*5cabbc6bSPrashanth Sreenivasa kthread_t *spa_condense_thread; /* thread doing condense. */ 269*5cabbc6bSPrashanth Sreenivasa 270fa9e4066Sahrens char *spa_root; /* alternate root directory */ 271ea8dc4b6Seschrock uint64_t spa_ena; /* spa-wide ereport ENA */ 272468c413aSTim Haley int spa_last_open_failed; /* error if last open failed */ 273468c413aSTim Haley uint64_t spa_last_ubsync_txg; /* "best" uberblock txg */ 274468c413aSTim Haley uint64_t spa_last_ubsync_txg_ts; /* timestamp from that ub */ 275468c413aSTim Haley uint64_t spa_load_txg; /* ub txg that loaded */ 276468c413aSTim Haley uint64_t spa_load_txg_ts; /* timestamp from that ub */ 277468c413aSTim Haley uint64_t spa_load_meta_errors; /* verify metadata err count */ 278468c413aSTim Haley uint64_t spa_load_data_errors; /* verify data err count */ 279468c413aSTim Haley uint64_t spa_verify_min_txg; /* start txg of verify scrub */ 280ea8dc4b6Seschrock kmutex_t spa_errlog_lock; /* error log lock */ 281ea8dc4b6Seschrock uint64_t spa_errlog_last; /* last error log object */ 282ea8dc4b6Seschrock uint64_t spa_errlog_scrub; /* scrub error log object */ 283ea8dc4b6Seschrock kmutex_t spa_errlist_lock; /* error list/ereport lock */ 284ea8dc4b6Seschrock avl_tree_t spa_errlist_last; /* last error list */ 285ea8dc4b6Seschrock avl_tree_t spa_errlist_scrub; /* scrub error list */ 28699653d4eSeschrock uint64_t spa_deflate; /* should we deflate? */ 28706eeb2adSek uint64_t spa_history; /* history object */ 28806eeb2adSek kmutex_t spa_history_lock; /* history lock */ 28939c23413Seschrock vdev_t *spa_pending_vdev; /* pending vdev additions */ 290b1b8ab34Slling kmutex_t spa_props_lock; /* property lock */ 291b1b8ab34Slling uint64_t spa_pool_props_object; /* object for properties */ 292b1b8ab34Slling uint64_t spa_bootfs; /* default boot filesystem */ 293e14bb325SJeff Bonwick uint64_t spa_failmode; /* failure mode for the pool */ 294e14bb325SJeff Bonwick uint64_t spa_delegation; /* delegation on/off */ 295c5904d13Seschrock list_t spa_config_list; /* previous cache file(s) */ 2966f834bc1SMatthew Ahrens /* per-CPU array of root of async I/O: */ 2976f834bc1SMatthew Ahrens zio_t **spa_async_zio_root; 298e14bb325SJeff Bonwick zio_t *spa_suspend_zio_root; /* root of all suspended I/O */ 299*5cabbc6bSPrashanth Sreenivasa zio_t *spa_txg_zio[TXG_SIZE]; /* spa_sync() waits for this */ 300e14bb325SJeff Bonwick kmutex_t spa_suspend_lock; /* protects suspend_zio_root */ 301e14bb325SJeff Bonwick kcondvar_t spa_suspend_cv; /* notification of resume */ 302e14bb325SJeff Bonwick uint8_t spa_suspended; /* pool is suspended */ 303b24ab676SJeff Bonwick uint8_t spa_claiming; /* pool is doing zil_claim() */ 30409c9d376SGeorge Wilson boolean_t spa_debug; /* debug enabled? */ 305bf82a41bSeschrock boolean_t spa_is_root; /* pool is root */ 306088f3894Sahrens int spa_minref; /* num refs when first opened */ 3078ad4d6ddSJeff Bonwick int spa_mode; /* FREAD | FWRITE */ 308b87f3af3Sperrin spa_log_state_t spa_log_state; /* log state */ 309573ca77eSGeorge Wilson uint64_t spa_autoexpand; /* lun expansion on/off */ 3107855d95bSToomas Soome uint64_t spa_bootsize; /* efi system partition size */ 311b24ab676SJeff Bonwick ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */ 312b24ab676SJeff Bonwick uint64_t spa_ddt_stat_object; /* DDT statistics */ 313b24ab676SJeff Bonwick uint64_t spa_dedup_ditto; /* dedup ditto threshold */ 314b24ab676SJeff Bonwick uint64_t spa_dedup_checksum; /* default dedup checksum */ 315485bbbf5SGeorge Wilson uint64_t spa_dspace; /* dspace in normal class */ 316a1521560SJeff Bonwick kmutex_t spa_vdev_top_lock; /* dueling offline/remove */ 31735a5a358SJonathan Adams kmutex_t spa_proc_lock; /* protects spa_proc* */ 31835a5a358SJonathan Adams kcondvar_t spa_proc_cv; /* spa_proc_state transitions */ 31935a5a358SJonathan Adams spa_proc_state_t spa_proc_state; /* see definition */ 32035a5a358SJonathan Adams struct proc *spa_proc; /* "zpool-poolname" process */ 32135a5a358SJonathan Adams uint64_t spa_did; /* if procp != p0, did of t1 */ 322b693757aSEric Schrock boolean_t spa_autoreplace; /* autoreplace set in open */ 3238f18d1faSGeorge Wilson int spa_vdev_locks; /* locks grabbed */ 3243f9d6ad7SLin Ling uint64_t spa_creation_version; /* version at pool creation */ 325ad135b5dSChristopher Siden uint64_t spa_prev_software_version; /* See ub_software_version */ 326ad135b5dSChristopher Siden uint64_t spa_feat_for_write_obj; /* required to write to pool */ 327ad135b5dSChristopher Siden uint64_t spa_feat_for_read_obj; /* required to read from pool */ 328ad135b5dSChristopher Siden uint64_t spa_feat_desc_obj; /* Feature descriptions */ 32943466aaeSMax Grossman uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */ 33043466aaeSMax Grossman /* cache feature refcounts */ 33143466aaeSMax Grossman uint64_t spa_feat_refcount_cache[SPA_FEATURES]; 332283b8460SGeorge.Wilson cyclic_id_t spa_deadman_cycid; /* cyclic id */ 333283b8460SGeorge.Wilson uint64_t spa_deadman_calls; /* number of deadman calls */ 33469962b56SMatthew Ahrens hrtime_t spa_sync_starttime; /* starting time fo spa_sync */ 335283b8460SGeorge.Wilson uint64_t spa_deadman_synctime; /* deadman expiration timer */ 336215198a6SJoe Stein uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */ 337215198a6SJoe Stein spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */ 33869962b56SMatthew Ahrens 33969962b56SMatthew Ahrens /* 34069962b56SMatthew Ahrens * spa_iokstat_lock protects spa_iokstat and 34169962b56SMatthew Ahrens * spa_queue_stats[]. 34269962b56SMatthew Ahrens */ 34369962b56SMatthew Ahrens kmutex_t spa_iokstat_lock; 344c3a66015SMatthew Ahrens struct kstat *spa_iokstat; /* kstat of io to this pool */ 34569962b56SMatthew Ahrens struct { 34669962b56SMatthew Ahrens int spa_active; 34769962b56SMatthew Ahrens int spa_queued; 34869962b56SMatthew Ahrens } spa_queue_stats[ZIO_PRIORITY_NUM_QUEUEABLE]; 34969962b56SMatthew Ahrens 3503cb69f73SWill Andrews hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */ 35169962b56SMatthew Ahrens 352fa9e4066Sahrens /* 353f7170741SWill Andrews * spa_refcount & spa_config_lock must be the last elements 35491ebeef5Sahrens * because refcount_t changes size based on compilation options. 35591ebeef5Sahrens * In order for the MDB module to function correctly, the other 35691ebeef5Sahrens * fields must remain in the same location. 357fa9e4066Sahrens */ 358e14bb325SJeff Bonwick spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */ 359fa9e4066Sahrens refcount_t spa_refcount; /* number of opens */ 360fa9e4066Sahrens }; 361fa9e4066Sahrens 362c5904d13Seschrock extern const char *spa_config_path; 363fa9e4066Sahrens 364ec94d322SAdam Leventhal extern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q, 365ec94d322SAdam Leventhal task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent); 366*5cabbc6bSPrashanth Sreenivasa extern void spa_load_spares(spa_t *spa); 367*5cabbc6bSPrashanth Sreenivasa extern void spa_load_l2cache(spa_t *spa); 368ec94d322SAdam Leventhal 369fa9e4066Sahrens #ifdef __cplusplus 370fa9e4066Sahrens } 371fa9e4066Sahrens #endif 372fa9e4066Sahrens 373fa9e4066Sahrens #endif /* _SYS_SPA_IMPL_H */ 374