3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2011 by Delphix. All rights reserved.
24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25 */
26
27 #ifndef _SYS_SPA_IMPL_H
28 #define _SYS_SPA_IMPL_H
29
30 #include <sys/spa.h>
31 #include <sys/vdev.h>
32 #include <sys/metaslab.h>
33 #include <sys/dmu.h>
34 #include <sys/dsl_pool.h>
35 #include <sys/uberblock_impl.h>
36 #include <sys/zfs_context.h>
37 #include <sys/avl.h>
38 #include <sys/refcount.h>
39 #include <sys/bplist.h>
40 #include <sys/bpobj.h>
41
42 #ifdef __cplusplus
43 extern "C" {
110 struct spa {
111 /*
112 * Fields protected by spa_namespace_lock.
113 */
114 char spa_name[MAXNAMELEN]; /* pool name */
115 char *spa_comment; /* comment */
116 avl_node_t spa_avl; /* node in spa_namespace_avl */
117 nvlist_t *spa_config; /* last synced config */
118 nvlist_t *spa_config_syncing; /* currently syncing config */
119 nvlist_t *spa_config_splitting; /* config for splitting */
120 nvlist_t *spa_load_info; /* info and errors from load */
121 uint64_t spa_config_txg; /* txg of last config change */
122 int spa_sync_pass; /* iterate-to-convergence */
123 pool_state_t spa_state; /* pool state */
124 int spa_inject_ref; /* injection references */
125 uint8_t spa_sync_on; /* sync threads are running */
126 spa_load_state_t spa_load_state; /* current load operation */
127 uint64_t spa_import_flags; /* import specific flags */
128 taskq_t *spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES];
129 dsl_pool_t *spa_dsl_pool;
130 metaslab_class_t *spa_normal_class; /* normal data class */
131 metaslab_class_t *spa_log_class; /* intent log data class */
132 uint64_t spa_first_txg; /* first txg after spa_open() */
133 uint64_t spa_final_txg; /* txg of export/destroy */
134 uint64_t spa_freeze_txg; /* freeze pool at this txg */
135 uint64_t spa_load_max_txg; /* best initial ub_txg */
136 uint64_t spa_claim_max_txg; /* highest claimed birth txg */
137 timespec_t spa_loaded_ts; /* 1st successful open time */
138 objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */
139 txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */
140 vdev_t *spa_root_vdev; /* top-level vdev container */
141 uint64_t spa_config_guid; /* config pool guid */
142 uint64_t spa_load_guid; /* spa_load initialized guid */
143 list_t spa_config_dirty_list; /* vdevs with dirty config */
144 list_t spa_state_dirty_list; /* vdevs with dirty state */
145 spa_aux_vdev_t spa_spares; /* hot spares */
146 spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */
147 uint64_t spa_config_object; /* MOS object for pool config */
148 uint64_t spa_config_generation; /* config generation number */
149 uint64_t spa_syncing_txg; /* txg currently syncing */
150 bpobj_t spa_deferred_bpobj; /* deferred-free bplist */
151 bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */
152 uberblock_t spa_ubsync; /* last synced uberblock */
153 uberblock_t spa_uberblock; /* current uberblock */
154 boolean_t spa_extreme_rewind; /* rewind past deferred frees */
155 uint64_t spa_last_io; /* lbolt of last non-scan I/O */
156 kmutex_t spa_scrub_lock; /* resilver/scrub lock */
157 uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */
158 kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */
159 uint8_t spa_scrub_active; /* active or suspended? */
160 uint8_t spa_scrub_type; /* type of scrub we're doing */
161 uint8_t spa_scrub_finished; /* indicator to rotate logs */
162 uint8_t spa_scrub_started; /* started since last boot */
163 uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */
164 uint64_t spa_scan_pass_start; /* start time per pass/reboot */
165 uint64_t spa_scan_pass_exam; /* examined bytes per pass */
166 kmutex_t spa_async_lock; /* protect async state */
203 boolean_t spa_debug; /* debug enabled? */
204 boolean_t spa_is_root; /* pool is root */
205 int spa_minref; /* num refs when first opened */
206 int spa_mode; /* FREAD | FWRITE */
207 spa_log_state_t spa_log_state; /* log state */
208 uint64_t spa_autoexpand; /* lun expansion on/off */
209 ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */
210 uint64_t spa_ddt_stat_object; /* DDT statistics */
211 uint64_t spa_dedup_ditto; /* dedup ditto threshold */
212 uint64_t spa_dedup_checksum; /* default dedup checksum */
213 uint64_t spa_dspace; /* dspace in normal class */
214 kmutex_t spa_vdev_top_lock; /* dueling offline/remove */
215 kmutex_t spa_proc_lock; /* protects spa_proc* */
216 kcondvar_t spa_proc_cv; /* spa_proc_state transitions */
217 spa_proc_state_t spa_proc_state; /* see definition */
218 struct proc *spa_proc; /* "zpool-poolname" process */
219 uint64_t spa_did; /* if procp != p0, did of t1 */
220 boolean_t spa_autoreplace; /* autoreplace set in open */
221 int spa_vdev_locks; /* locks grabbed */
222 uint64_t spa_creation_version; /* version at pool creation */
223 uint64_t spa_prev_software_version;
224 /*
225 * spa_refcnt & spa_config_lock must be the last elements
226 * because refcount_t changes size based on compilation options.
227 * In order for the MDB module to function correctly, the other
228 * fields must remain in the same location.
229 */
230 spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */
231 refcount_t spa_refcount; /* number of opens */
232 };
233
234 extern const char *spa_config_path;
235
236 #ifdef __cplusplus
237 }
238 #endif
239
240 #endif /* _SYS_SPA_IMPL_H */
|
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25 */
26
27 #ifndef _SYS_SPA_IMPL_H
28 #define _SYS_SPA_IMPL_H
29
30 #include <sys/spa.h>
31 #include <sys/vdev.h>
32 #include <sys/metaslab.h>
33 #include <sys/dmu.h>
34 #include <sys/dsl_pool.h>
35 #include <sys/uberblock_impl.h>
36 #include <sys/zfs_context.h>
37 #include <sys/avl.h>
38 #include <sys/refcount.h>
39 #include <sys/bplist.h>
40 #include <sys/bpobj.h>
41
42 #ifdef __cplusplus
43 extern "C" {
110 struct spa {
111 /*
112 * Fields protected by spa_namespace_lock.
113 */
114 char spa_name[MAXNAMELEN]; /* pool name */
115 char *spa_comment; /* comment */
116 avl_node_t spa_avl; /* node in spa_namespace_avl */
117 nvlist_t *spa_config; /* last synced config */
118 nvlist_t *spa_config_syncing; /* currently syncing config */
119 nvlist_t *spa_config_splitting; /* config for splitting */
120 nvlist_t *spa_load_info; /* info and errors from load */
121 uint64_t spa_config_txg; /* txg of last config change */
122 int spa_sync_pass; /* iterate-to-convergence */
123 pool_state_t spa_state; /* pool state */
124 int spa_inject_ref; /* injection references */
125 uint8_t spa_sync_on; /* sync threads are running */
126 spa_load_state_t spa_load_state; /* current load operation */
127 uint64_t spa_import_flags; /* import specific flags */
128 taskq_t *spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES];
129 dsl_pool_t *spa_dsl_pool;
130 boolean_t spa_is_initializing; /* true while opening pool */
131 metaslab_class_t *spa_normal_class; /* normal data class */
132 metaslab_class_t *spa_log_class; /* intent log data class */
133 uint64_t spa_first_txg; /* first txg after spa_open() */
134 uint64_t spa_final_txg; /* txg of export/destroy */
135 uint64_t spa_freeze_txg; /* freeze pool at this txg */
136 uint64_t spa_load_max_txg; /* best initial ub_txg */
137 uint64_t spa_claim_max_txg; /* highest claimed birth txg */
138 timespec_t spa_loaded_ts; /* 1st successful open time */
139 objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */
140 txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */
141 vdev_t *spa_root_vdev; /* top-level vdev container */
142 uint64_t spa_config_guid; /* config pool guid */
143 uint64_t spa_load_guid; /* spa_load initialized guid */
144 list_t spa_config_dirty_list; /* vdevs with dirty config */
145 list_t spa_state_dirty_list; /* vdevs with dirty state */
146 spa_aux_vdev_t spa_spares; /* hot spares */
147 spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */
148 nvlist_t *spa_label_features; /* Features for reading MOS */
149 uint64_t spa_config_object; /* MOS object for pool config */
150 uint64_t spa_config_generation; /* config generation number */
151 uint64_t spa_syncing_txg; /* txg currently syncing */
152 bpobj_t spa_deferred_bpobj; /* deferred-free bplist */
153 bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */
154 uberblock_t spa_ubsync; /* last synced uberblock */
155 uberblock_t spa_uberblock; /* current uberblock */
156 boolean_t spa_extreme_rewind; /* rewind past deferred frees */
157 uint64_t spa_last_io; /* lbolt of last non-scan I/O */
158 kmutex_t spa_scrub_lock; /* resilver/scrub lock */
159 uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */
160 kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */
161 uint8_t spa_scrub_active; /* active or suspended? */
162 uint8_t spa_scrub_type; /* type of scrub we're doing */
163 uint8_t spa_scrub_finished; /* indicator to rotate logs */
164 uint8_t spa_scrub_started; /* started since last boot */
165 uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */
166 uint64_t spa_scan_pass_start; /* start time per pass/reboot */
167 uint64_t spa_scan_pass_exam; /* examined bytes per pass */
168 kmutex_t spa_async_lock; /* protect async state */
205 boolean_t spa_debug; /* debug enabled? */
206 boolean_t spa_is_root; /* pool is root */
207 int spa_minref; /* num refs when first opened */
208 int spa_mode; /* FREAD | FWRITE */
209 spa_log_state_t spa_log_state; /* log state */
210 uint64_t spa_autoexpand; /* lun expansion on/off */
211 ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */
212 uint64_t spa_ddt_stat_object; /* DDT statistics */
213 uint64_t spa_dedup_ditto; /* dedup ditto threshold */
214 uint64_t spa_dedup_checksum; /* default dedup checksum */
215 uint64_t spa_dspace; /* dspace in normal class */
216 kmutex_t spa_vdev_top_lock; /* dueling offline/remove */
217 kmutex_t spa_proc_lock; /* protects spa_proc* */
218 kcondvar_t spa_proc_cv; /* spa_proc_state transitions */
219 spa_proc_state_t spa_proc_state; /* see definition */
220 struct proc *spa_proc; /* "zpool-poolname" process */
221 uint64_t spa_did; /* if procp != p0, did of t1 */
222 boolean_t spa_autoreplace; /* autoreplace set in open */
223 int spa_vdev_locks; /* locks grabbed */
224 uint64_t spa_creation_version; /* version at pool creation */
225 uint64_t spa_prev_software_version; /* See ub_software_version */
226 uint64_t spa_feat_for_write_obj; /* required to write to pool */
227 uint64_t spa_feat_for_read_obj; /* required to read from pool */
228 uint64_t spa_feat_desc_obj; /* Feature descriptions */
229 /*
230 * spa_refcnt & spa_config_lock must be the last elements
231 * because refcount_t changes size based on compilation options.
232 * In order for the MDB module to function correctly, the other
233 * fields must remain in the same location.
234 */
235 spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */
236 refcount_t spa_refcount; /* number of opens */
237 };
238
239 extern const char *spa_config_path;
240
241 #ifdef __cplusplus
242 }
243 #endif
244
245 #endif /* _SYS_SPA_IMPL_H */
|