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 /* 223113f7ceSGeorge Wilson * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23fa9e4066Sahrens */ 24fa9e4066Sahrens 25fa9e4066Sahrens #ifndef _SYS_DSL_POOL_H 26fa9e4066Sahrens #define _SYS_DSL_POOL_H 27fa9e4066Sahrens 28fa9e4066Sahrens #include <sys/spa.h> 29fa9e4066Sahrens #include <sys/txg.h> 30fa9e4066Sahrens #include <sys/txg_impl.h> 31fa9e4066Sahrens #include <sys/zfs_context.h> 32088f3894Sahrens #include <sys/zio.h> 3388b7b0f2SMatthew Ahrens #include <sys/dnode.h> 34bbfd46c4SJeff Bonwick #include <sys/ddt.h> 353f9d6ad7SLin Ling #include <sys/arc.h> 36*cde58dbcSMatthew Ahrens #include <sys/bpobj.h> 37fa9e4066Sahrens 38fa9e4066Sahrens #ifdef __cplusplus 39fa9e4066Sahrens extern "C" { 40fa9e4066Sahrens #endif 41fa9e4066Sahrens 42fa9e4066Sahrens struct objset; 43fa9e4066Sahrens struct dsl_dir; 44088f3894Sahrens struct dsl_dataset; 45088f3894Sahrens struct dsl_pool; 46088f3894Sahrens struct dmu_tx; 473f9d6ad7SLin Ling struct dsl_scan; 48088f3894Sahrens 4988b7b0f2SMatthew Ahrens /* These macros are for indexing into the zfs_all_blkstats_t. */ 5088b7b0f2SMatthew Ahrens #define DMU_OT_DEFERRED DMU_OT_NONE 5188b7b0f2SMatthew Ahrens #define DMU_OT_TOTAL DMU_OT_NUMTYPES 5288b7b0f2SMatthew Ahrens 5388b7b0f2SMatthew Ahrens typedef struct zfs_blkstat { 5488b7b0f2SMatthew Ahrens uint64_t zb_count; 5588b7b0f2SMatthew Ahrens uint64_t zb_asize; 5688b7b0f2SMatthew Ahrens uint64_t zb_lsize; 5788b7b0f2SMatthew Ahrens uint64_t zb_psize; 5888b7b0f2SMatthew Ahrens uint64_t zb_gangs; 5988b7b0f2SMatthew Ahrens uint64_t zb_ditto_2_of_2_samevdev; 6088b7b0f2SMatthew Ahrens uint64_t zb_ditto_2_of_3_samevdev; 6188b7b0f2SMatthew Ahrens uint64_t zb_ditto_3_of_3_samevdev; 6288b7b0f2SMatthew Ahrens } zfs_blkstat_t; 6388b7b0f2SMatthew Ahrens 6488b7b0f2SMatthew Ahrens typedef struct zfs_all_blkstats { 6588b7b0f2SMatthew Ahrens zfs_blkstat_t zab_type[DN_MAX_LEVELS + 1][DMU_OT_TOTAL + 1]; 6688b7b0f2SMatthew Ahrens } zfs_all_blkstats_t; 6788b7b0f2SMatthew Ahrens 68fa9e4066Sahrens 69fa9e4066Sahrens typedef struct dsl_pool { 70fa9e4066Sahrens /* Immutable */ 71fa9e4066Sahrens spa_t *dp_spa; 72fa9e4066Sahrens struct objset *dp_meta_objset; 73fa9e4066Sahrens struct dsl_dir *dp_root_dir; 74fa9e4066Sahrens struct dsl_dir *dp_mos_dir; 75*cde58dbcSMatthew Ahrens struct dsl_dir *dp_free_dir; 76088f3894Sahrens struct dsl_dataset *dp_origin_snap; 77fa9e4066Sahrens uint64_t dp_root_dir_obj; 789d3574bfSNeil Perrin struct taskq *dp_vnrele_taskq; 79fa9e4066Sahrens 80fa9e4066Sahrens /* No lock needed - sync context only */ 81fa9e4066Sahrens blkptr_t dp_meta_rootbp; 823cb34c60Sahrens list_t dp_synced_datasets; 8305715f94SMark Maybee hrtime_t dp_read_overhead; 84fb5dd802SLin Ling uint64_t dp_throughput; /* bytes per millisec */ 851ab7f2deSmaybee uint64_t dp_write_limit; 86ca45db41SChris Kirby uint64_t dp_tmp_userrefs_obj; 87*cde58dbcSMatthew Ahrens bpobj_t dp_free_bpobj; 881ab7f2deSmaybee 893f9d6ad7SLin Ling struct dsl_scan *dp_scan; 903f9d6ad7SLin Ling 911ab7f2deSmaybee /* Uses dp_lock */ 921ab7f2deSmaybee kmutex_t dp_lock; 931ab7f2deSmaybee uint64_t dp_space_towrite[TXG_SIZE]; 941ab7f2deSmaybee uint64_t dp_tempreserved[TXG_SIZE]; 95fa9e4066Sahrens 96fa9e4066Sahrens /* Has its own locking */ 97fa9e4066Sahrens tx_state_t dp_tx; 98fa9e4066Sahrens txg_list_t dp_dirty_datasets; 99fa9e4066Sahrens txg_list_t dp_dirty_dirs; 1001d452cf5Sahrens txg_list_t dp_sync_tasks; 101fa9e4066Sahrens 102fa9e4066Sahrens /* 103fa9e4066Sahrens * Protects administrative changes (properties, namespace) 104fa9e4066Sahrens * It is only held for write in syncing context. Therefore 105fa9e4066Sahrens * syncing context does not need to ever have it for read, since 106fa9e4066Sahrens * nobody else could possibly have it for write. 107fa9e4066Sahrens */ 108fa9e4066Sahrens krwlock_t dp_config_rwlock; 10988b7b0f2SMatthew Ahrens 11088b7b0f2SMatthew Ahrens zfs_all_blkstats_t *dp_blkstats; 111fa9e4066Sahrens } dsl_pool_t; 112fa9e4066Sahrens 113ea8dc4b6Seschrock int dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp); 114fa9e4066Sahrens void dsl_pool_close(dsl_pool_t *dp); 1150a48a24eStimh dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg); 116fa9e4066Sahrens void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); 117b24ab676SJeff Bonwick void dsl_pool_sync_done(dsl_pool_t *dp, uint64_t txg); 118fa9e4066Sahrens int dsl_pool_sync_context(dsl_pool_t *dp); 119fa9e4066Sahrens uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); 120468c413aSTim Haley uint64_t dsl_pool_adjustedfree(dsl_pool_t *dp, boolean_t netfree); 1211ab7f2deSmaybee int dsl_pool_tempreserve_space(dsl_pool_t *dp, uint64_t space, dmu_tx_t *tx); 1221ab7f2deSmaybee void dsl_pool_tempreserve_clear(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); 1231ab7f2deSmaybee void dsl_pool_memory_pressure(dsl_pool_t *dp); 1241ab7f2deSmaybee void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); 125b24ab676SJeff Bonwick void dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp); 1263113f7ceSGeorge Wilson void dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg, 1273113f7ceSGeorge Wilson const blkptr_t *bpp); 1283f9d6ad7SLin Ling int dsl_read(zio_t *pio, spa_t *spa, const blkptr_t *bpp, arc_buf_t *pbuf, 1293f9d6ad7SLin Ling arc_done_func_t *done, void *private, int priority, int zio_flags, 1303f9d6ad7SLin Ling uint32_t *arc_flags, const zbookmark_t *zb); 1313f9d6ad7SLin Ling int dsl_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bpp, 1323f9d6ad7SLin Ling arc_done_func_t *done, void *private, int priority, int zio_flags, 1333f9d6ad7SLin Ling uint32_t *arc_flags, const zbookmark_t *zb); 134088f3894Sahrens void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx); 135088f3894Sahrens void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx); 136*cde58dbcSMatthew Ahrens void dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx); 137088f3894Sahrens 1389d3574bfSNeil Perrin taskq_t *dsl_pool_vnrele_taskq(dsl_pool_t *dp); 1399d3574bfSNeil Perrin 140ca45db41SChris Kirby extern int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj, 14115508ac0SChris Kirby const char *tag, uint64_t *now, dmu_tx_t *tx); 142ca45db41SChris Kirby extern int dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj, 143ca45db41SChris Kirby const char *tag, dmu_tx_t *tx); 144ca45db41SChris Kirby extern void dsl_pool_clean_tmp_userrefs(dsl_pool_t *dp); 1453f9d6ad7SLin Ling int dsl_pool_open_special_dir(dsl_pool_t *dp, const char *name, dsl_dir_t **); 146ca45db41SChris Kirby 147fa9e4066Sahrens #ifdef __cplusplus 148fa9e4066Sahrens } 149fa9e4066Sahrens #endif 150fa9e4066Sahrens 151fa9e4066Sahrens #endif /* _SYS_DSL_POOL_H */ 152