*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
+ * Copyright 2013 Saso Kiselkov. All rights reserved.
+ * Copyright (c) 2016 Actifio, Inc. All rights reserved.
+ * Copyright (c) 2017 Datto Inc.
*/
#ifndef _SYS_SPA_IMPL_H
#include <sys/refcount.h>
#include <sys/bplist.h>
#include <sys/bpobj.h>
+#include <sys/zfeature.h>
+#include <zfeature_common.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct spa_error_entry {
- zbookmark_t se_bookmark;
- char *se_name;
- avl_node_t se_avl;
+ zbookmark_phys_t se_bookmark;
+ char *se_name;
+ avl_node_t se_avl;
} spa_error_entry_t;
typedef struct spa_history_phys {
char *scd_path;
} spa_config_dirent_t;
-enum zio_taskq_type {
+typedef enum zio_taskq_type {
ZIO_TASKQ_ISSUE = 0,
ZIO_TASKQ_ISSUE_HIGH,
ZIO_TASKQ_INTERRUPT,
ZIO_TASKQ_INTERRUPT_HIGH,
ZIO_TASKQ_TYPES
-};
+} zio_taskq_type_t;
/*
- * State machine for the zpool-pooname process. The states transitions
+ * State machine for the zpool-poolname process. The states transitions
* are done as follows:
*
* From To Routine
SPA_PROC_GONE /* spa_thread() is exiting, spa_proc = &p0 */
} spa_proc_state_t;
+typedef struct spa_taskqs {
+ uint_t stqs_count;
+ taskq_t **stqs_taskq;
+} spa_taskqs_t;
+
+typedef enum spa_all_vdev_zap_action {
+ AVZ_ACTION_NONE = 0,
+ AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */
+ AVZ_ACTION_REBUILD, /* Populate the new AVZ, see spa_avz_rebuild */
+ AVZ_ACTION_INITIALIZE
+} spa_avz_action_t;
+
struct spa {
/*
* Fields protected by spa_namespace_lock.
*/
- char spa_name[MAXNAMELEN]; /* pool name */
+ char spa_name[ZFS_MAX_DATASET_NAME_LEN]; /* pool name */
+ char *spa_comment; /* comment */
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 */
uint8_t spa_sync_on; /* sync threads are running */
spa_load_state_t spa_load_state; /* current load operation */
uint64_t spa_import_flags; /* import specific flags */
- taskq_t *spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES];
+ spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES];
dsl_pool_t *spa_dsl_pool;
+ boolean_t spa_is_initializing; /* true while opening pool */
metaslab_class_t *spa_normal_class; /* normal data class */
metaslab_class_t *spa_log_class; /* intent log data class */
uint64_t spa_first_txg; /* first txg after spa_open() */
uint64_t spa_claim_max_txg; /* highest claimed birth txg */
timespec_t spa_loaded_ts; /* 1st successful open time */
objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */
+ kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */
+ list_t spa_evicting_os_list; /* Objsets being evicted. */
+ kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */
txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */
vdev_t *spa_root_vdev; /* top-level vdev container */
+ int spa_min_ashift; /* of vdevs in normal class */
+ int spa_max_ashift; /* of vdevs in normal class */
uint64_t spa_config_guid; /* config pool guid */
uint64_t spa_load_guid; /* spa_load initialized guid */
+ uint64_t spa_last_synced_guid; /* last synced guid */
list_t spa_config_dirty_list; /* vdevs with dirty config */
list_t spa_state_dirty_list; /* vdevs with dirty state */
+ kmutex_t spa_alloc_lock;
+ avl_tree_t spa_alloc_tree;
spa_aux_vdev_t spa_spares; /* hot spares */
spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */
+ nvlist_t *spa_label_features; /* Features for reading MOS */
uint64_t spa_config_object; /* MOS object for pool config */
uint64_t spa_config_generation; /* config generation number */
uint64_t spa_syncing_txg; /* txg currently syncing */
bpobj_t spa_deferred_bpobj; /* deferred-free bplist */
bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */
+ zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */
+ /* checksum context templates */
+ kmutex_t spa_cksum_tmpls_lock;
+ void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS];
uberblock_t spa_ubsync; /* last synced uberblock */
uberblock_t spa_uberblock; /* current uberblock */
boolean_t spa_extreme_rewind; /* rewind past deferred frees */
uint8_t spa_scrub_started; /* started since last boot */
uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */
uint64_t spa_scan_pass_start; /* start time per pass/reboot */
+ uint64_t spa_scan_pass_scrub_pause; /* scrub pause time */
+ uint64_t spa_scan_pass_scrub_spent_paused; /* total paused */
uint64_t spa_scan_pass_exam; /* examined bytes per pass */
kmutex_t spa_async_lock; /* protect async state */
kthread_t *spa_async_thread; /* thread doing async task */
uint64_t spa_failmode; /* failure mode for the pool */
uint64_t spa_delegation; /* delegation on/off */
list_t spa_config_list; /* previous cache file(s) */
- zio_t *spa_async_zio_root; /* root of all async I/O */
+ /* per-CPU array of root of async I/O: */
+ zio_t **spa_async_zio_root;
zio_t *spa_suspend_zio_root; /* root of all suspended I/O */
kmutex_t spa_suspend_lock; /* protects suspend_zio_root */
kcondvar_t spa_suspend_cv; /* notification of resume */
uint64_t spa_autoexpand; /* lun expansion on/off */
ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */
uint64_t spa_ddt_stat_object; /* DDT statistics */
+ uint64_t spa_dedup_dspace; /* Cache get_dedup_dspace() */
uint64_t spa_dedup_ditto; /* dedup ditto threshold */
uint64_t spa_dedup_checksum; /* default dedup checksum */
uint64_t spa_dspace; /* dspace in normal class */
boolean_t spa_autoreplace; /* autoreplace set in open */
int spa_vdev_locks; /* locks grabbed */
uint64_t spa_creation_version; /* version at pool creation */
- uint64_t spa_prev_software_version;
+ uint64_t spa_prev_software_version; /* See ub_software_version */
+ uint64_t spa_feat_for_write_obj; /* required to write to pool */
+ uint64_t spa_feat_for_read_obj; /* required to read from pool */
+ uint64_t spa_feat_desc_obj; /* Feature descriptions */
+ uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */
+ kmutex_t spa_feat_stats_lock; /* protects spa_feat_stats */
+ nvlist_t *spa_feat_stats; /* Cache of enabled features */
+ /* cache feature refcounts */
+ uint64_t spa_feat_refcount_cache[SPA_FEATURES];
+ taskqid_t spa_deadman_tqid; /* Task id */
+ uint64_t spa_deadman_calls; /* number of deadman calls */
+ hrtime_t spa_sync_starttime; /* starting time of spa_sync */
+ uint64_t spa_deadman_synctime; /* deadman expiration timer */
+ uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */
+ spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */
+ uint64_t spa_errata; /* errata issues detected */
+ spa_stats_t spa_stats; /* assorted spa statistics */
+ hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */
+ taskq_t *spa_zvol_taskq; /* Taskq for minor management */
+ uint64_t spa_multihost; /* multihost aware (mmp) */
+ mmp_thread_t spa_mmp; /* multihost mmp thread */
+
/*
- * spa_refcnt & spa_config_lock must be the last elements
+ * spa_refcount & spa_config_lock must be the last elements
* because refcount_t 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[SCL_LOCKS]; /* config changes */
refcount_t spa_refcount; /* number of opens */
+
+ taskq_t *spa_upgrade_taskq; /* taskq for upgrade jobs */
};
extern char *spa_config_path;
+extern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q,
+ task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent);
+extern void spa_taskq_dispatch_sync(spa_t *, zio_type_t t, zio_taskq_type_t q,
+ task_func_t *func, void *arg, uint_t flags);
+
+
#ifdef __cplusplus
}
#endif
projects / zfs / blobdiff