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 /* 221ab7f2deSmaybee * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #ifndef _SYS_DSL_POOL_H 27fa9e4066Sahrens #define _SYS_DSL_POOL_H 28fa9e4066Sahrens 29fa9e4066Sahrens #include <sys/spa.h> 30fa9e4066Sahrens #include <sys/txg.h> 31fa9e4066Sahrens #include <sys/txg_impl.h> 32fa9e4066Sahrens #include <sys/zfs_context.h> 33088f3894Sahrens #include <sys/zio.h> 34*88b7b0f2SMatthew Ahrens #include <sys/dnode.h> 35fa9e4066Sahrens 36fa9e4066Sahrens #ifdef __cplusplus 37fa9e4066Sahrens extern "C" { 38fa9e4066Sahrens #endif 39fa9e4066Sahrens 40fa9e4066Sahrens struct objset; 41fa9e4066Sahrens struct dsl_dir; 42088f3894Sahrens struct dsl_dataset; 43088f3894Sahrens struct dsl_pool; 44088f3894Sahrens struct dmu_tx; 45088f3894Sahrens 46088f3894Sahrens enum scrub_func { 47088f3894Sahrens SCRUB_FUNC_NONE, 48088f3894Sahrens SCRUB_FUNC_CLEAN, 49088f3894Sahrens SCRUB_FUNC_NUMFUNCS 50088f3894Sahrens }; 51088f3894Sahrens 52*88b7b0f2SMatthew Ahrens /* These macros are for indexing into the zfs_all_blkstats_t. */ 53*88b7b0f2SMatthew Ahrens #define DMU_OT_DEFERRED DMU_OT_NONE 54*88b7b0f2SMatthew Ahrens #define DMU_OT_TOTAL DMU_OT_NUMTYPES 55*88b7b0f2SMatthew Ahrens 56*88b7b0f2SMatthew Ahrens typedef struct zfs_blkstat { 57*88b7b0f2SMatthew Ahrens uint64_t zb_count; 58*88b7b0f2SMatthew Ahrens uint64_t zb_asize; 59*88b7b0f2SMatthew Ahrens uint64_t zb_lsize; 60*88b7b0f2SMatthew Ahrens uint64_t zb_psize; 61*88b7b0f2SMatthew Ahrens uint64_t zb_gangs; 62*88b7b0f2SMatthew Ahrens uint64_t zb_ditto_2_of_2_samevdev; 63*88b7b0f2SMatthew Ahrens uint64_t zb_ditto_2_of_3_samevdev; 64*88b7b0f2SMatthew Ahrens uint64_t zb_ditto_3_of_3_samevdev; 65*88b7b0f2SMatthew Ahrens } zfs_blkstat_t; 66*88b7b0f2SMatthew Ahrens 67*88b7b0f2SMatthew Ahrens typedef struct zfs_all_blkstats { 68*88b7b0f2SMatthew Ahrens zfs_blkstat_t zab_type[DN_MAX_LEVELS + 1][DMU_OT_TOTAL + 1]; 69*88b7b0f2SMatthew Ahrens } zfs_all_blkstats_t; 70*88b7b0f2SMatthew Ahrens 71fa9e4066Sahrens 72fa9e4066Sahrens typedef struct dsl_pool { 73fa9e4066Sahrens /* Immutable */ 74fa9e4066Sahrens spa_t *dp_spa; 75fa9e4066Sahrens struct objset *dp_meta_objset; 76fa9e4066Sahrens struct dsl_dir *dp_root_dir; 77fa9e4066Sahrens struct dsl_dir *dp_mos_dir; 78088f3894Sahrens struct dsl_dataset *dp_origin_snap; 79fa9e4066Sahrens uint64_t dp_root_dir_obj; 80fa9e4066Sahrens 81fa9e4066Sahrens /* No lock needed - sync context only */ 82fa9e4066Sahrens blkptr_t dp_meta_rootbp; 833cb34c60Sahrens list_t dp_synced_datasets; 8405715f94SMark Maybee hrtime_t dp_read_overhead; 8505715f94SMark Maybee uint64_t dp_throughput; 861ab7f2deSmaybee uint64_t dp_write_limit; 871ab7f2deSmaybee 881ab7f2deSmaybee /* Uses dp_lock */ 891ab7f2deSmaybee kmutex_t dp_lock; 901ab7f2deSmaybee uint64_t dp_space_towrite[TXG_SIZE]; 911ab7f2deSmaybee uint64_t dp_tempreserved[TXG_SIZE]; 92fa9e4066Sahrens 93088f3894Sahrens enum scrub_func dp_scrub_func; 94088f3894Sahrens uint64_t dp_scrub_queue_obj; 95088f3894Sahrens uint64_t dp_scrub_min_txg; 96088f3894Sahrens uint64_t dp_scrub_max_txg; 97088f3894Sahrens zbookmark_t dp_scrub_bookmark; 98088f3894Sahrens boolean_t dp_scrub_pausing; 99088f3894Sahrens boolean_t dp_scrub_isresilver; 100088f3894Sahrens uint64_t dp_scrub_start_time; 101088f3894Sahrens kmutex_t dp_scrub_cancel_lock; /* protects dp_scrub_restart */ 102088f3894Sahrens boolean_t dp_scrub_restart; 103088f3894Sahrens 104fa9e4066Sahrens /* Has its own locking */ 105fa9e4066Sahrens tx_state_t dp_tx; 106fa9e4066Sahrens txg_list_t dp_dirty_datasets; 107fa9e4066Sahrens txg_list_t dp_dirty_dirs; 1081d452cf5Sahrens txg_list_t dp_sync_tasks; 109fa9e4066Sahrens 110fa9e4066Sahrens /* 111fa9e4066Sahrens * Protects administrative changes (properties, namespace) 112fa9e4066Sahrens * It is only held for write in syncing context. Therefore 113fa9e4066Sahrens * syncing context does not need to ever have it for read, since 114fa9e4066Sahrens * nobody else could possibly have it for write. 115fa9e4066Sahrens */ 116fa9e4066Sahrens krwlock_t dp_config_rwlock; 117*88b7b0f2SMatthew Ahrens 118*88b7b0f2SMatthew Ahrens zfs_all_blkstats_t *dp_blkstats; 119fa9e4066Sahrens } dsl_pool_t; 120fa9e4066Sahrens 121ea8dc4b6Seschrock int dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp); 122fa9e4066Sahrens void dsl_pool_close(dsl_pool_t *dp); 1230a48a24eStimh dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg); 124fa9e4066Sahrens void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); 125fa9e4066Sahrens void dsl_pool_zil_clean(dsl_pool_t *dp); 126fa9e4066Sahrens int dsl_pool_sync_context(dsl_pool_t *dp); 127fa9e4066Sahrens uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); 1281ab7f2deSmaybee int dsl_pool_tempreserve_space(dsl_pool_t *dp, uint64_t space, dmu_tx_t *tx); 1291ab7f2deSmaybee void dsl_pool_tempreserve_clear(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); 1301ab7f2deSmaybee void dsl_pool_memory_pressure(dsl_pool_t *dp); 1311ab7f2deSmaybee void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); 132088f3894Sahrens int dsl_free(zio_t *pio, dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp, 133088f3894Sahrens zio_done_func_t *done, void *private, uint32_t arc_flags); 134088f3894Sahrens void dsl_pool_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx); 135088f3894Sahrens void dsl_pool_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx); 136*88b7b0f2SMatthew Ahrens void dsl_pool_ds_clone_swapped(struct dsl_dataset *ds1, struct dsl_dataset *ds2, 137*88b7b0f2SMatthew Ahrens struct dmu_tx *tx); 138088f3894Sahrens void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx); 139088f3894Sahrens void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx); 140088f3894Sahrens 141088f3894Sahrens int dsl_pool_scrub_cancel(dsl_pool_t *dp); 142088f3894Sahrens int dsl_pool_scrub_clean(dsl_pool_t *dp); 143088f3894Sahrens void dsl_pool_scrub_sync(dsl_pool_t *dp, dmu_tx_t *tx); 144088f3894Sahrens void dsl_pool_scrub_restart(dsl_pool_t *dp); 145fa9e4066Sahrens 146fa9e4066Sahrens #ifdef __cplusplus 147fa9e4066Sahrens } 148fa9e4066Sahrens #endif 149fa9e4066Sahrens 150fa9e4066Sahrens #endif /* _SYS_DSL_POOL_H */ 151