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. 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens #ifndef _SYS_SPA_IMPL_H 31fa9e4066Sahrens #define _SYS_SPA_IMPL_H 32fa9e4066Sahrens 33fa9e4066Sahrens #include <sys/spa.h> 3486714001SSerapheim Dimitropoulos #include <sys/spa_checkpoint.h> 35fa9e4066Sahrens #include <sys/vdev.h> 365cabbc6bSPrashanth Sreenivasa #include <sys/vdev_removal.h> 37fa9e4066Sahrens #include <sys/metaslab.h> 38fa9e4066Sahrens #include <sys/dmu.h> 39fa9e4066Sahrens #include <sys/dsl_pool.h> 40fa9e4066Sahrens #include <sys/uberblock_impl.h> 41fa9e4066Sahrens #include <sys/zfs_context.h> 42fa9e4066Sahrens #include <sys/avl.h> 43fa9e4066Sahrens #include <sys/refcount.h> 44fa9e4066Sahrens #include <sys/bplist.h> 45cde58dbcSMatthew Ahrens #include <sys/bpobj.h> 465d7b4d43SMatthew Ahrens #include <sys/zfeature.h> 47667ec66fSSerapheim Dimitropoulos #include <sys/zthr.h> 4843466aaeSMax Grossman #include <zfeature_common.h> 49fa9e4066Sahrens 50fa9e4066Sahrens #ifdef __cplusplus 51fa9e4066Sahrens extern "C" { 52fa9e4066Sahrens #endif 53fa9e4066Sahrens 54ea8dc4b6Seschrock typedef struct spa_error_entry { 557802d7bfSMatthew Ahrens zbookmark_phys_t se_bookmark; 567802d7bfSMatthew Ahrens char *se_name; 577802d7bfSMatthew Ahrens avl_node_t se_avl; 58ea8dc4b6Seschrock } spa_error_entry_t; 59ea8dc4b6Seschrock 6006eeb2adSek typedef struct spa_history_phys { 6106eeb2adSek uint64_t sh_pool_create_len; /* ending offset of zpool create */ 6206eeb2adSek uint64_t sh_phys_max_off; /* physical EOF */ 6306eeb2adSek uint64_t sh_bof; /* logical BOF */ 6406eeb2adSek uint64_t sh_eof; /* logical EOF */ 6506eeb2adSek uint64_t sh_records_lost; /* num of records overwritten */ 6606eeb2adSek } spa_history_phys_t; 6706eeb2adSek 685cabbc6bSPrashanth Sreenivasa /* 695cabbc6bSPrashanth Sreenivasa * All members must be uint64_t, for byteswap purposes. 705cabbc6bSPrashanth Sreenivasa */ 715cabbc6bSPrashanth Sreenivasa typedef struct spa_removing_phys { 725cabbc6bSPrashanth Sreenivasa uint64_t sr_state; /* dsl_scan_state_t */ 735cabbc6bSPrashanth Sreenivasa 745cabbc6bSPrashanth Sreenivasa /* 755cabbc6bSPrashanth Sreenivasa * The vdev ID that we most recently attempted to remove, 765cabbc6bSPrashanth Sreenivasa * or -1 if no removal has been attempted. 775cabbc6bSPrashanth Sreenivasa */ 785cabbc6bSPrashanth Sreenivasa uint64_t sr_removing_vdev; 795cabbc6bSPrashanth Sreenivasa 805cabbc6bSPrashanth Sreenivasa /* 815cabbc6bSPrashanth Sreenivasa * The vdev ID that we most recently successfully removed, 825cabbc6bSPrashanth Sreenivasa * or -1 if no devices have been removed. 835cabbc6bSPrashanth Sreenivasa */ 845cabbc6bSPrashanth Sreenivasa uint64_t sr_prev_indirect_vdev; 855cabbc6bSPrashanth Sreenivasa 865cabbc6bSPrashanth Sreenivasa uint64_t sr_start_time; 875cabbc6bSPrashanth Sreenivasa uint64_t sr_end_time; 885cabbc6bSPrashanth Sreenivasa 895cabbc6bSPrashanth Sreenivasa /* 905cabbc6bSPrashanth Sreenivasa * Note that we can not use the space map's or indirect mapping's 915cabbc6bSPrashanth Sreenivasa * accounting as a substitute for these values, because we need to 925cabbc6bSPrashanth Sreenivasa * count frees of not-yet-copied data as though it did the copy. 935cabbc6bSPrashanth Sreenivasa * Otherwise, we could get into a situation where copied > to_copy, 945cabbc6bSPrashanth Sreenivasa * or we complete before copied == to_copy. 955cabbc6bSPrashanth Sreenivasa */ 965cabbc6bSPrashanth Sreenivasa uint64_t sr_to_copy; /* bytes that need to be copied */ 975cabbc6bSPrashanth Sreenivasa uint64_t sr_copied; /* bytes that have been copied or freed */ 985cabbc6bSPrashanth Sreenivasa } spa_removing_phys_t; 995cabbc6bSPrashanth Sreenivasa 1005cabbc6bSPrashanth Sreenivasa /* 1015cabbc6bSPrashanth Sreenivasa * This struct is stored as an entry in the DMU_POOL_DIRECTORY_OBJECT 1025cabbc6bSPrashanth Sreenivasa * (with key DMU_POOL_CONDENSING_INDIRECT). It is present if a condense 1035cabbc6bSPrashanth Sreenivasa * of an indirect vdev's mapping object is in progress. 1045cabbc6bSPrashanth Sreenivasa */ 1055cabbc6bSPrashanth Sreenivasa typedef struct spa_condensing_indirect_phys { 1065cabbc6bSPrashanth Sreenivasa /* 1075cabbc6bSPrashanth Sreenivasa * The vdev ID of the indirect vdev whose indirect mapping is 1085cabbc6bSPrashanth Sreenivasa * being condensed. 1095cabbc6bSPrashanth Sreenivasa */ 1105cabbc6bSPrashanth Sreenivasa uint64_t scip_vdev; 1115cabbc6bSPrashanth Sreenivasa 1125cabbc6bSPrashanth Sreenivasa /* 1135cabbc6bSPrashanth Sreenivasa * The vdev's old obsolete spacemap. This spacemap's contents are 1145cabbc6bSPrashanth Sreenivasa * being integrated into the new mapping. 1155cabbc6bSPrashanth Sreenivasa */ 1165cabbc6bSPrashanth Sreenivasa uint64_t scip_prev_obsolete_sm_object; 1175cabbc6bSPrashanth Sreenivasa 1185cabbc6bSPrashanth Sreenivasa /* 1195cabbc6bSPrashanth Sreenivasa * The new mapping object that is being created. 1205cabbc6bSPrashanth Sreenivasa */ 1215cabbc6bSPrashanth Sreenivasa uint64_t scip_next_mapping_object; 1225cabbc6bSPrashanth Sreenivasa } spa_condensing_indirect_phys_t; 1235cabbc6bSPrashanth Sreenivasa 124fa94a07fSbrendan struct spa_aux_vdev { 125fa94a07fSbrendan uint64_t sav_object; /* MOS object for device list */ 126fa94a07fSbrendan nvlist_t *sav_config; /* cached device config */ 127fa94a07fSbrendan vdev_t **sav_vdevs; /* devices */ 128fa94a07fSbrendan int sav_count; /* number devices */ 129fa94a07fSbrendan boolean_t sav_sync; /* sync the device list */ 130fa94a07fSbrendan nvlist_t **sav_pending; /* pending device additions */ 131fa94a07fSbrendan uint_t sav_npending; /* # pending devices */ 132fa94a07fSbrendan }; 133fa94a07fSbrendan 134e05725b1Sbonwick typedef struct spa_config_lock { 135e05725b1Sbonwick kmutex_t scl_lock; 136e05725b1Sbonwick kthread_t *scl_writer; 137e14bb325SJeff Bonwick int scl_write_wanted; 138e05725b1Sbonwick kcondvar_t scl_cv; 139e05725b1Sbonwick refcount_t scl_count; 140e05725b1Sbonwick } spa_config_lock_t; 141e05725b1Sbonwick 142c5904d13Seschrock typedef struct spa_config_dirent { 143c5904d13Seschrock list_node_t scd_link; 144c5904d13Seschrock char *scd_path; 145c5904d13Seschrock } spa_config_dirent_t; 146c5904d13Seschrock 147ec94d322SAdam Leventhal typedef enum zio_taskq_type { 148e14bb325SJeff Bonwick ZIO_TASKQ_ISSUE = 0, 14980eb36f2SGeorge Wilson ZIO_TASKQ_ISSUE_HIGH, 150e14bb325SJeff Bonwick ZIO_TASKQ_INTERRUPT, 15180eb36f2SGeorge Wilson ZIO_TASKQ_INTERRUPT_HIGH, 152e14bb325SJeff Bonwick ZIO_TASKQ_TYPES 153ec94d322SAdam Leventhal } zio_taskq_type_t; 154e14bb325SJeff Bonwick 15535a5a358SJonathan Adams /* 156ec94d322SAdam Leventhal * State machine for the zpool-poolname process. The states transitions 15735a5a358SJonathan Adams * are done as follows: 15835a5a358SJonathan Adams * 15935a5a358SJonathan Adams * From To Routine 16035a5a358SJonathan Adams * PROC_NONE -> PROC_CREATED spa_activate() 16135a5a358SJonathan Adams * PROC_CREATED -> PROC_ACTIVE spa_thread() 16235a5a358SJonathan Adams * PROC_ACTIVE -> PROC_DEACTIVATE spa_deactivate() 16335a5a358SJonathan Adams * PROC_DEACTIVATE -> PROC_GONE spa_thread() 16435a5a358SJonathan Adams * PROC_GONE -> PROC_NONE spa_deactivate() 16535a5a358SJonathan Adams */ 16635a5a358SJonathan Adams typedef enum spa_proc_state { 16735a5a358SJonathan Adams SPA_PROC_NONE, /* spa_proc = &p0, no process created */ 16835a5a358SJonathan Adams SPA_PROC_CREATED, /* spa_activate() has proc, is waiting */ 16935a5a358SJonathan Adams SPA_PROC_ACTIVE, /* taskqs created, spa_proc set */ 17035a5a358SJonathan Adams SPA_PROC_DEACTIVATE, /* spa_deactivate() requests process exit */ 17135a5a358SJonathan Adams SPA_PROC_GONE /* spa_thread() is exiting, spa_proc = &p0 */ 17235a5a358SJonathan Adams } spa_proc_state_t; 17335a5a358SJonathan Adams 174ec94d322SAdam Leventhal typedef struct spa_taskqs { 175ec94d322SAdam Leventhal uint_t stqs_count; 176ec94d322SAdam Leventhal taskq_t **stqs_taskq; 177ec94d322SAdam Leventhal } spa_taskqs_t; 178ec94d322SAdam Leventhal 179215198a6SJoe Stein typedef enum spa_all_vdev_zap_action { 180215198a6SJoe Stein AVZ_ACTION_NONE = 0, 181215198a6SJoe Stein AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */ 182555da511SPaul Dagnelie AVZ_ACTION_REBUILD, /* Populate the new AVZ, see spa_avz_rebuild */ 183555da511SPaul Dagnelie AVZ_ACTION_INITIALIZE 184215198a6SJoe Stein } spa_avz_action_t; 185215198a6SJoe Stein 1866f793812SPavel Zakharov typedef enum spa_config_source { 1876f793812SPavel Zakharov SPA_CONFIG_SRC_NONE = 0, 1886f793812SPavel Zakharov SPA_CONFIG_SRC_SCAN, /* scan of path (default: /dev/dsk) */ 1896f793812SPavel Zakharov SPA_CONFIG_SRC_CACHEFILE, /* any cachefile */ 1906f793812SPavel Zakharov SPA_CONFIG_SRC_TRYIMPORT, /* returned from call to tryimport */ 1916f793812SPavel Zakharov SPA_CONFIG_SRC_SPLIT, /* new pool in a pool split */ 1926f793812SPavel Zakharov SPA_CONFIG_SRC_MOS /* MOS, but not always from right txg */ 1936f793812SPavel Zakharov } spa_config_source_t; 1946f793812SPavel Zakharov 195fa9e4066Sahrens struct spa { 196fa9e4066Sahrens /* 197fa9e4066Sahrens * Fields protected by spa_namespace_lock. 198fa9e4066Sahrens */ 1999adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; /* pool name */ 2008704186eSDan McDonald char *spa_comment; /* comment */ 2010373e76bSbonwick avl_node_t spa_avl; /* node in spa_namespace_avl */ 2020373e76bSbonwick nvlist_t *spa_config; /* last synced config */ 2030373e76bSbonwick nvlist_t *spa_config_syncing; /* currently syncing config */ 2041195e687SMark J Musante nvlist_t *spa_config_splitting; /* config for splitting */ 2054b964adaSGeorge Wilson nvlist_t *spa_load_info; /* info and errors from load */ 206fa9e4066Sahrens uint64_t spa_config_txg; /* txg of last config change */ 207fa9e4066Sahrens int spa_sync_pass; /* iterate-to-convergence */ 20888b7b0f2SMatthew Ahrens pool_state_t spa_state; /* pool state */ 209ea8dc4b6Seschrock int spa_inject_ref; /* injection references */ 210ea8dc4b6Seschrock uint8_t spa_sync_on; /* sync threads are running */ 211ea8dc4b6Seschrock spa_load_state_t spa_load_state; /* current load operation */ 2125cabbc6bSPrashanth Sreenivasa boolean_t spa_indirect_vdevs_loaded; /* mappings loaded? */ 2136f793812SPavel Zakharov boolean_t spa_trust_config; /* do we trust vdev tree? */ 2146f793812SPavel Zakharov spa_config_source_t spa_config_source; /* where config comes from? */ 2154b964adaSGeorge Wilson uint64_t spa_import_flags; /* import specific flags */ 216ec94d322SAdam Leventhal spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES]; 217fa9e4066Sahrens dsl_pool_t *spa_dsl_pool; 218ad135b5dSChristopher Siden boolean_t spa_is_initializing; /* true while opening pool */ 219fa9e4066Sahrens metaslab_class_t *spa_normal_class; /* normal data class */ 2208654d025Sperrin metaslab_class_t *spa_log_class; /* intent log data class */ 221fa9e4066Sahrens uint64_t spa_first_txg; /* first txg after spa_open() */ 2220373e76bSbonwick uint64_t spa_final_txg; /* txg of export/destroy */ 223fa9e4066Sahrens uint64_t spa_freeze_txg; /* freeze pool at this txg */ 224468c413aSTim Haley uint64_t spa_load_max_txg; /* best initial ub_txg */ 225b24ab676SJeff Bonwick uint64_t spa_claim_max_txg; /* highest claimed birth txg */ 22611027bc7STim Haley timespec_t spa_loaded_ts; /* 1st successful open time */ 227fa9e4066Sahrens objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ 228bc9014e6SJustin Gibbs kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */ 229bc9014e6SJustin Gibbs list_t spa_evicting_os_list; /* Objsets being evicted. */ 230bc9014e6SJustin Gibbs kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */ 231fa9e4066Sahrens txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ 232fa9e4066Sahrens vdev_t *spa_root_vdev; /* top-level vdev container */ 23381cd5c55SMatthew Ahrens int spa_min_ashift; /* of vdevs in normal class */ 23481cd5c55SMatthew Ahrens int spa_max_ashift; /* of vdevs in normal class */ 235e9103aaeSGarrett D'Amore uint64_t spa_config_guid; /* config pool guid */ 236e9103aaeSGarrett D'Amore uint64_t spa_load_guid; /* spa_load initialized guid */ 237dfbb9432SGeorge Wilson uint64_t spa_last_synced_guid; /* last synced guid */ 238e14bb325SJeff Bonwick list_t spa_config_dirty_list; /* vdevs with dirty config */ 239e14bb325SJeff Bonwick list_t spa_state_dirty_list; /* vdevs with dirty state */ 240*f78cdc34SPaul Dagnelie /* 241*f78cdc34SPaul Dagnelie * spa_alloc_locks and spa_alloc_trees are arrays, whose lengths are 242*f78cdc34SPaul Dagnelie * stored in spa_alloc_count. There is one tree and one lock for each 243*f78cdc34SPaul Dagnelie * allocator, to help improve allocation performance in write-heavy 244*f78cdc34SPaul Dagnelie * workloads. 245*f78cdc34SPaul Dagnelie */ 246*f78cdc34SPaul Dagnelie kmutex_t *spa_alloc_locks; 247*f78cdc34SPaul Dagnelie avl_tree_t *spa_alloc_trees; 248*f78cdc34SPaul Dagnelie int spa_alloc_count; 249*f78cdc34SPaul Dagnelie 250fa94a07fSbrendan spa_aux_vdev_t spa_spares; /* hot spares */ 251fa94a07fSbrendan spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */ 252ad135b5dSChristopher Siden nvlist_t *spa_label_features; /* Features for reading MOS */ 253fa9e4066Sahrens uint64_t spa_config_object; /* MOS object for pool config */ 2548f18d1faSGeorge Wilson uint64_t spa_config_generation; /* config generation number */ 255fa9e4066Sahrens uint64_t spa_syncing_txg; /* txg currently syncing */ 256cde58dbcSMatthew Ahrens bpobj_t spa_deferred_bpobj; /* deferred-free bplist */ 257b24ab676SJeff Bonwick bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */ 25845818ee1SMatthew Ahrens zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */ 25945818ee1SMatthew Ahrens /* checksum context templates */ 26045818ee1SMatthew Ahrens kmutex_t spa_cksum_tmpls_lock; 26145818ee1SMatthew Ahrens void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS]; 262fa9e4066Sahrens uberblock_t spa_ubsync; /* last synced uberblock */ 263fa9e4066Sahrens uberblock_t spa_uberblock; /* current uberblock */ 264468c413aSTim Haley boolean_t spa_extreme_rewind; /* rewind past deferred frees */ 26544ecc532SGeorge Wilson uint64_t spa_last_io; /* lbolt of last non-scan I/O */ 266fa9e4066Sahrens kmutex_t spa_scrub_lock; /* resilver/scrub lock */ 267fa9e4066Sahrens uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */ 268fa9e4066Sahrens kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ 269fa9e4066Sahrens uint8_t spa_scrub_active; /* active or suspended? */ 270fa9e4066Sahrens uint8_t spa_scrub_type; /* type of scrub we're doing */ 2710373e76bSbonwick uint8_t spa_scrub_finished; /* indicator to rotate logs */ 272088f3894Sahrens uint8_t spa_scrub_started; /* started since last boot */ 273088f3894Sahrens uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */ 2743f9d6ad7SLin Ling uint64_t spa_scan_pass_start; /* start time per pass/reboot */ 2751702cce7SAlek Pinchuk uint64_t spa_scan_pass_scrub_pause; /* scrub pause time */ 2761702cce7SAlek Pinchuk uint64_t spa_scan_pass_scrub_spent_paused; /* total paused */ 2773f9d6ad7SLin Ling uint64_t spa_scan_pass_exam; /* examined bytes per pass */ 278ea8dc4b6Seschrock kmutex_t spa_async_lock; /* protect async state */ 279ea8dc4b6Seschrock kthread_t *spa_async_thread; /* thread doing async task */ 280ea8dc4b6Seschrock int spa_async_suspended; /* async tasks suspended */ 281ea8dc4b6Seschrock kcondvar_t spa_async_cv; /* wait for thread_exit() */ 282ea8dc4b6Seschrock uint16_t spa_async_tasks; /* async task mask */ 2836f793812SPavel Zakharov uint64_t spa_missing_tvds; /* unopenable tvds on load */ 2846f793812SPavel Zakharov uint64_t spa_missing_tvds_allowed; /* allow loading spa? */ 2855cabbc6bSPrashanth Sreenivasa 2865cabbc6bSPrashanth Sreenivasa spa_removing_phys_t spa_removing_phys; 2875cabbc6bSPrashanth Sreenivasa spa_vdev_removal_t *spa_vdev_removal; 2885cabbc6bSPrashanth Sreenivasa 2895cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_phys_t spa_condensing_indirect_phys; 2905cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_t *spa_condensing_indirect; 291667ec66fSSerapheim Dimitropoulos zthr_t *spa_condense_zthr; /* zthr doing condense. */ 2925cabbc6bSPrashanth Sreenivasa 29386714001SSerapheim Dimitropoulos uint64_t spa_checkpoint_txg; /* the txg of the checkpoint */ 29486714001SSerapheim Dimitropoulos spa_checkpoint_info_t spa_checkpoint_info; /* checkpoint accounting */ 29586714001SSerapheim Dimitropoulos zthr_t *spa_checkpoint_discard_zthr; 29686714001SSerapheim Dimitropoulos 297fa9e4066Sahrens char *spa_root; /* alternate root directory */ 298ea8dc4b6Seschrock uint64_t spa_ena; /* spa-wide ereport ENA */ 299468c413aSTim Haley int spa_last_open_failed; /* error if last open failed */ 300468c413aSTim Haley uint64_t spa_last_ubsync_txg; /* "best" uberblock txg */ 301468c413aSTim Haley uint64_t spa_last_ubsync_txg_ts; /* timestamp from that ub */ 302468c413aSTim Haley uint64_t spa_load_txg; /* ub txg that loaded */ 303468c413aSTim Haley uint64_t spa_load_txg_ts; /* timestamp from that ub */ 304468c413aSTim Haley uint64_t spa_load_meta_errors; /* verify metadata err count */ 305468c413aSTim Haley uint64_t spa_load_data_errors; /* verify data err count */ 306468c413aSTim Haley uint64_t spa_verify_min_txg; /* start txg of verify scrub */ 307ea8dc4b6Seschrock kmutex_t spa_errlog_lock; /* error log lock */ 308ea8dc4b6Seschrock uint64_t spa_errlog_last; /* last error log object */ 309ea8dc4b6Seschrock uint64_t spa_errlog_scrub; /* scrub error log object */ 310ea8dc4b6Seschrock kmutex_t spa_errlist_lock; /* error list/ereport lock */ 311ea8dc4b6Seschrock avl_tree_t spa_errlist_last; /* last error list */ 312ea8dc4b6Seschrock avl_tree_t spa_errlist_scrub; /* scrub error list */ 31399653d4eSeschrock uint64_t spa_deflate; /* should we deflate? */ 31406eeb2adSek uint64_t spa_history; /* history object */ 31506eeb2adSek kmutex_t spa_history_lock; /* history lock */ 31639c23413Seschrock vdev_t *spa_pending_vdev; /* pending vdev additions */ 317b1b8ab34Slling kmutex_t spa_props_lock; /* property lock */ 318b1b8ab34Slling uint64_t spa_pool_props_object; /* object for properties */ 319b1b8ab34Slling uint64_t spa_bootfs; /* default boot filesystem */ 320e14bb325SJeff Bonwick uint64_t spa_failmode; /* failure mode for the pool */ 321e14bb325SJeff Bonwick uint64_t spa_delegation; /* delegation on/off */ 322c5904d13Seschrock list_t spa_config_list; /* previous cache file(s) */ 3236f834bc1SMatthew Ahrens /* per-CPU array of root of async I/O: */ 3246f834bc1SMatthew Ahrens zio_t **spa_async_zio_root; 325e14bb325SJeff Bonwick zio_t *spa_suspend_zio_root; /* root of all suspended I/O */ 3265cabbc6bSPrashanth Sreenivasa zio_t *spa_txg_zio[TXG_SIZE]; /* spa_sync() waits for this */ 327e14bb325SJeff Bonwick kmutex_t spa_suspend_lock; /* protects suspend_zio_root */ 328e14bb325SJeff Bonwick kcondvar_t spa_suspend_cv; /* notification of resume */ 329e14bb325SJeff Bonwick uint8_t spa_suspended; /* pool is suspended */ 330b24ab676SJeff Bonwick uint8_t spa_claiming; /* pool is doing zil_claim() */ 33109c9d376SGeorge Wilson boolean_t spa_debug; /* debug enabled? */ 332bf82a41bSeschrock boolean_t spa_is_root; /* pool is root */ 333088f3894Sahrens int spa_minref; /* num refs when first opened */ 3348ad4d6ddSJeff Bonwick int spa_mode; /* FREAD | FWRITE */ 335b87f3af3Sperrin spa_log_state_t spa_log_state; /* log state */ 336573ca77eSGeorge Wilson uint64_t spa_autoexpand; /* lun expansion on/off */ 3377855d95bSToomas Soome uint64_t spa_bootsize; /* efi system partition size */ 338b24ab676SJeff Bonwick ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */ 339b24ab676SJeff Bonwick uint64_t spa_ddt_stat_object; /* DDT statistics */ 340b24ab676SJeff Bonwick uint64_t spa_dedup_ditto; /* dedup ditto threshold */ 341b24ab676SJeff Bonwick uint64_t spa_dedup_checksum; /* default dedup checksum */ 342485bbbf5SGeorge Wilson uint64_t spa_dspace; /* dspace in normal class */ 343a1521560SJeff Bonwick kmutex_t spa_vdev_top_lock; /* dueling offline/remove */ 34435a5a358SJonathan Adams kmutex_t spa_proc_lock; /* protects spa_proc* */ 34535a5a358SJonathan Adams kcondvar_t spa_proc_cv; /* spa_proc_state transitions */ 34635a5a358SJonathan Adams spa_proc_state_t spa_proc_state; /* see definition */ 34735a5a358SJonathan Adams struct proc *spa_proc; /* "zpool-poolname" process */ 34835a5a358SJonathan Adams uint64_t spa_did; /* if procp != p0, did of t1 */ 349b693757aSEric Schrock boolean_t spa_autoreplace; /* autoreplace set in open */ 3508f18d1faSGeorge Wilson int spa_vdev_locks; /* locks grabbed */ 3513f9d6ad7SLin Ling uint64_t spa_creation_version; /* version at pool creation */ 352ad135b5dSChristopher Siden uint64_t spa_prev_software_version; /* See ub_software_version */ 353ad135b5dSChristopher Siden uint64_t spa_feat_for_write_obj; /* required to write to pool */ 354ad135b5dSChristopher Siden uint64_t spa_feat_for_read_obj; /* required to read from pool */ 355ad135b5dSChristopher Siden uint64_t spa_feat_desc_obj; /* Feature descriptions */ 35643466aaeSMax Grossman uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */ 35743466aaeSMax Grossman /* cache feature refcounts */ 35843466aaeSMax Grossman uint64_t spa_feat_refcount_cache[SPA_FEATURES]; 359283b8460SGeorge.Wilson cyclic_id_t spa_deadman_cycid; /* cyclic id */ 360283b8460SGeorge.Wilson uint64_t spa_deadman_calls; /* number of deadman calls */ 36169962b56SMatthew Ahrens hrtime_t spa_sync_starttime; /* starting time fo spa_sync */ 362283b8460SGeorge.Wilson uint64_t spa_deadman_synctime; /* deadman expiration timer */ 363215198a6SJoe Stein uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */ 364215198a6SJoe Stein spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */ 36569962b56SMatthew Ahrens 36669962b56SMatthew Ahrens /* 36769962b56SMatthew Ahrens * spa_iokstat_lock protects spa_iokstat and 36869962b56SMatthew Ahrens * spa_queue_stats[]. 36969962b56SMatthew Ahrens */ 37069962b56SMatthew Ahrens kmutex_t spa_iokstat_lock; 371c3a66015SMatthew Ahrens struct kstat *spa_iokstat; /* kstat of io to this pool */ 37269962b56SMatthew Ahrens struct { 37369962b56SMatthew Ahrens int spa_active; 37469962b56SMatthew Ahrens int spa_queued; 37569962b56SMatthew Ahrens } spa_queue_stats[ZIO_PRIORITY_NUM_QUEUEABLE]; 37669962b56SMatthew Ahrens 3773cb69f73SWill Andrews hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */ 37869962b56SMatthew Ahrens 379fa9e4066Sahrens /* 380f7170741SWill Andrews * spa_refcount & spa_config_lock must be the last elements 38191ebeef5Sahrens * because refcount_t changes size based on compilation options. 38291ebeef5Sahrens * In order for the MDB module to function correctly, the other 38391ebeef5Sahrens * fields must remain in the same location. 384fa9e4066Sahrens */ 385e14bb325SJeff Bonwick spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */ 386fa9e4066Sahrens refcount_t spa_refcount; /* number of opens */ 387fa9e4066Sahrens }; 388fa9e4066Sahrens 389c5904d13Seschrock extern const char *spa_config_path; 390fa9e4066Sahrens 391ec94d322SAdam Leventhal extern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q, 392ec94d322SAdam Leventhal task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent); 3935cabbc6bSPrashanth Sreenivasa extern void spa_load_spares(spa_t *spa); 3945cabbc6bSPrashanth Sreenivasa extern void spa_load_l2cache(spa_t *spa); 395ec94d322SAdam Leventhal 396fa9e4066Sahrens #ifdef __cplusplus 397fa9e4066Sahrens } 398fa9e4066Sahrens #endif 399fa9e4066Sahrens 400fa9e4066Sahrens #endif /* _SYS_SPA_IMPL_H */ 401