diff options
Diffstat (limited to 'sys/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h')
| -rw-r--r-- | sys/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sys/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h b/sys/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h new file mode 100644 index 0000000..8c57123 --- /dev/null +++ b/sys/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h @@ -0,0 +1,168 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_SPA_IMPL_H +#define _SYS_SPA_IMPL_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/spa.h> +#include <sys/vdev.h> +#include <sys/metaslab.h> +#include <sys/dmu.h> +#include <sys/dsl_pool.h> +#include <sys/uberblock_impl.h> +#include <sys/zfs_context.h> +#include <sys/avl.h> +#include <sys/refcount.h> +#include <sys/bplist.h> + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct spa_config_lock { + kmutex_t scl_lock; + refcount_t scl_count; + kthread_t *scl_writer; + kcondvar_t scl_cv; +} spa_config_lock_t; + +typedef struct spa_error_entry { + zbookmark_t se_bookmark; + char *se_name; + avl_node_t se_avl; +} spa_error_entry_t; + +typedef struct spa_history_phys { + uint64_t sh_pool_create_len; /* ending offset of zpool create */ + uint64_t sh_phys_max_off; /* physical EOF */ + uint64_t sh_bof; /* logical BOF */ + uint64_t sh_eof; /* logical EOF */ + uint64_t sh_records_lost; /* num of records overwritten */ +} spa_history_phys_t; + +typedef struct spa_props { + nvlist_t *spa_props_nvp; + list_node_t spa_list_node; +} spa_props_t; + +struct spa { + /* + * Fields protected by spa_namespace_lock. + */ + char *spa_name; /* pool name */ + avl_node_t spa_avl; /* node in spa_namespace_avl */ + nvlist_t *spa_config; /* last synced config */ + nvlist_t *spa_config_syncing; /* currently syncing config */ + uint64_t spa_config_txg; /* txg of last config change */ + kmutex_t spa_config_cache_lock; /* for spa_config RW_READER */ + int spa_sync_pass; /* iterate-to-convergence */ + int spa_state; /* pool state */ + int spa_inject_ref; /* injection references */ + uint8_t spa_traverse_wanted; /* traverse lock wanted */ + uint8_t spa_sync_on; /* sync threads are running */ + spa_load_state_t spa_load_state; /* current load operation */ + taskq_t *spa_zio_issue_taskq[ZIO_TYPES]; + taskq_t *spa_zio_intr_taskq[ZIO_TYPES]; + dsl_pool_t *spa_dsl_pool; + metaslab_class_t *spa_normal_class; /* normal data class */ + uint64_t spa_first_txg; /* first txg after spa_open() */ + uint64_t spa_final_txg; /* txg of export/destroy */ + uint64_t spa_freeze_txg; /* freeze pool at this txg */ + objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ + txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ + vdev_t *spa_root_vdev; /* top-level vdev container */ + uint64_t spa_load_guid; /* initial guid for spa_load */ + list_t spa_dirty_list; /* vdevs with dirty labels */ + uint64_t spa_spares_object; /* MOS object for spare list */ + nvlist_t *spa_sparelist; /* cached spare config */ + vdev_t **spa_spares; /* available hot spares */ + int spa_nspares; /* number of hot spares */ + boolean_t spa_sync_spares; /* sync the spares list */ + uint64_t spa_config_object; /* MOS object for pool config */ + uint64_t spa_syncing_txg; /* txg currently syncing */ + uint64_t spa_sync_bplist_obj; /* object for deferred frees */ + bplist_t spa_sync_bplist; /* deferred-free bplist */ + krwlock_t spa_traverse_lock; /* traverse vs. spa_sync() */ + uberblock_t spa_ubsync; /* last synced uberblock */ + uberblock_t spa_uberblock; /* current uberblock */ + kmutex_t spa_scrub_lock; /* resilver/scrub lock */ + kthread_t *spa_scrub_thread; /* scrub/resilver thread */ + traverse_handle_t *spa_scrub_th; /* scrub traverse handle */ + uint64_t spa_scrub_restart_txg; /* need to restart */ + uint64_t spa_scrub_mintxg; /* min txg we'll scrub */ + uint64_t spa_scrub_maxtxg; /* max txg we'll scrub */ + uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */ + uint64_t spa_scrub_maxinflight; /* max in-flight scrub I/Os */ + uint64_t spa_scrub_errors; /* scrub I/O error count */ + int spa_scrub_suspended; /* tell scrubber to suspend */ + kcondvar_t spa_scrub_cv; /* scrub thread state change */ + kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ + uint8_t spa_scrub_stop; /* tell scrubber to stop */ + uint8_t spa_scrub_active; /* active or suspended? */ + uint8_t spa_scrub_type; /* type of scrub we're doing */ + uint8_t spa_scrub_finished; /* indicator to rotate logs */ + kmutex_t spa_async_lock; /* protect async state */ + kthread_t *spa_async_thread; /* thread doing async task */ + int spa_async_suspended; /* async tasks suspended */ + kcondvar_t spa_async_cv; /* wait for thread_exit() */ + uint16_t spa_async_tasks; /* async task mask */ + char *spa_root; /* alternate root directory */ + kmutex_t spa_uberblock_lock; /* vdev_uberblock_load_done() */ + uint64_t spa_ena; /* spa-wide ereport ENA */ + boolean_t spa_last_open_failed; /* true if last open faled */ + kmutex_t spa_errlog_lock; /* error log lock */ + uint64_t spa_errlog_last; /* last error log object */ + uint64_t spa_errlog_scrub; /* scrub error log object */ + kmutex_t spa_errlist_lock; /* error list/ereport lock */ + avl_tree_t spa_errlist_last; /* last error list */ + avl_tree_t spa_errlist_scrub; /* scrub error list */ + uint64_t spa_deflate; /* should we deflate? */ + uint64_t spa_history; /* history object */ + kmutex_t spa_history_lock; /* history lock */ + vdev_t *spa_pending_vdev; /* pending vdev additions */ + nvlist_t **spa_pending_spares; /* pending spare additions */ + uint_t spa_pending_nspares; /* # pending spares */ + kmutex_t spa_props_lock; /* property lock */ + uint64_t spa_pool_props_object; /* object for properties */ + uint64_t spa_bootfs; /* default boot filesystem */ + /* + * spa_refcnt must be the last element because it changes size based on + * compilation options. In order for the MDB module to function + * correctly, the other fields must remain in the same location. + */ + spa_config_lock_t spa_config_lock; /* configuration changes */ + refcount_t spa_refcount; /* number of opens */ +}; + +extern const char *spa_config_dir; +extern kmutex_t spa_namespace_lock; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SPA_IMPL_H */ |
