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 #pragma ident "%Z%%M% %I% %E% SMI" 30fa9e4066Sahrens 31fa9e4066Sahrens #include <sys/spa.h> 32fa9e4066Sahrens #include <sys/txg.h> 33fa9e4066Sahrens #include <sys/txg_impl.h> 34fa9e4066Sahrens #include <sys/zfs_context.h> 35*088f3894Sahrens #include <sys/zio.h> 36fa9e4066Sahrens 37fa9e4066Sahrens #ifdef __cplusplus 38fa9e4066Sahrens extern "C" { 39fa9e4066Sahrens #endif 40fa9e4066Sahrens 41fa9e4066Sahrens struct objset; 42fa9e4066Sahrens struct dsl_dir; 43*088f3894Sahrens struct dsl_dataset; 44*088f3894Sahrens struct dsl_pool; 45*088f3894Sahrens struct dmu_tx; 46*088f3894Sahrens 47*088f3894Sahrens enum scrub_func { 48*088f3894Sahrens SCRUB_FUNC_NONE, 49*088f3894Sahrens SCRUB_FUNC_CLEAN, 50*088f3894Sahrens SCRUB_FUNC_NUMFUNCS 51*088f3894Sahrens }; 52*088f3894Sahrens 53fa9e4066Sahrens 54fa9e4066Sahrens typedef struct dsl_pool { 55fa9e4066Sahrens /* Immutable */ 56fa9e4066Sahrens spa_t *dp_spa; 57fa9e4066Sahrens struct objset *dp_meta_objset; 58fa9e4066Sahrens struct dsl_dir *dp_root_dir; 59fa9e4066Sahrens struct dsl_dir *dp_mos_dir; 60*088f3894Sahrens struct dsl_dataset *dp_origin_snap; 61fa9e4066Sahrens uint64_t dp_root_dir_obj; 62fa9e4066Sahrens 63fa9e4066Sahrens /* No lock needed - sync context only */ 64fa9e4066Sahrens blkptr_t dp_meta_rootbp; 653cb34c60Sahrens list_t dp_synced_datasets; 661ab7f2deSmaybee uint64_t dp_write_limit; 671ab7f2deSmaybee 681ab7f2deSmaybee /* Uses dp_lock */ 691ab7f2deSmaybee kmutex_t dp_lock; 701ab7f2deSmaybee uint64_t dp_space_towrite[TXG_SIZE]; 711ab7f2deSmaybee uint64_t dp_tempreserved[TXG_SIZE]; 72fa9e4066Sahrens 73*088f3894Sahrens enum scrub_func dp_scrub_func; 74*088f3894Sahrens uint64_t dp_scrub_queue_obj; 75*088f3894Sahrens uint64_t dp_scrub_min_txg; 76*088f3894Sahrens uint64_t dp_scrub_max_txg; 77*088f3894Sahrens zbookmark_t dp_scrub_bookmark; 78*088f3894Sahrens boolean_t dp_scrub_pausing; 79*088f3894Sahrens boolean_t dp_scrub_isresilver; 80*088f3894Sahrens uint64_t dp_scrub_start_time; 81*088f3894Sahrens kmutex_t dp_scrub_cancel_lock; /* protects dp_scrub_restart */ 82*088f3894Sahrens boolean_t dp_scrub_restart; 83*088f3894Sahrens 84fa9e4066Sahrens /* Has its own locking */ 85fa9e4066Sahrens tx_state_t dp_tx; 86fa9e4066Sahrens txg_list_t dp_dirty_datasets; 87fa9e4066Sahrens txg_list_t dp_dirty_dirs; 881d452cf5Sahrens txg_list_t dp_sync_tasks; 89fa9e4066Sahrens 90fa9e4066Sahrens /* 91fa9e4066Sahrens * Protects administrative changes (properties, namespace) 92fa9e4066Sahrens * It is only held for write in syncing context. Therefore 93fa9e4066Sahrens * syncing context does not need to ever have it for read, since 94fa9e4066Sahrens * nobody else could possibly have it for write. 95fa9e4066Sahrens */ 96fa9e4066Sahrens krwlock_t dp_config_rwlock; 97fa9e4066Sahrens } dsl_pool_t; 98fa9e4066Sahrens 99ea8dc4b6Seschrock int dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp); 100fa9e4066Sahrens void dsl_pool_close(dsl_pool_t *dp); 101fa9e4066Sahrens dsl_pool_t *dsl_pool_create(spa_t *spa, uint64_t txg); 102fa9e4066Sahrens void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); 103fa9e4066Sahrens void dsl_pool_zil_clean(dsl_pool_t *dp); 104fa9e4066Sahrens int dsl_pool_sync_context(dsl_pool_t *dp); 105fa9e4066Sahrens uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); 1061ab7f2deSmaybee int dsl_pool_tempreserve_space(dsl_pool_t *dp, uint64_t space, dmu_tx_t *tx); 1071ab7f2deSmaybee void dsl_pool_tempreserve_clear(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); 1081ab7f2deSmaybee void dsl_pool_memory_pressure(dsl_pool_t *dp); 1091ab7f2deSmaybee void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); 110*088f3894Sahrens int dsl_free(zio_t *pio, dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp, 111*088f3894Sahrens zio_done_func_t *done, void *private, uint32_t arc_flags); 112*088f3894Sahrens void dsl_pool_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx); 113*088f3894Sahrens void dsl_pool_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx); 114*088f3894Sahrens void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx); 115*088f3894Sahrens void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx); 116*088f3894Sahrens 117*088f3894Sahrens int dsl_pool_scrub_cancel(dsl_pool_t *dp); 118*088f3894Sahrens int dsl_pool_scrub_clean(dsl_pool_t *dp); 119*088f3894Sahrens void dsl_pool_scrub_sync(dsl_pool_t *dp, dmu_tx_t *tx); 120*088f3894Sahrens void dsl_pool_scrub_restart(dsl_pool_t *dp); 121fa9e4066Sahrens 122fa9e4066Sahrens #ifdef __cplusplus 123fa9e4066Sahrens } 124fa9e4066Sahrens #endif 125fa9e4066Sahrens 126fa9e4066Sahrens #endif /* _SYS_DSL_POOL_H */ 127