*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
#ifndef _SYS_SPA_IMPL_H
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;
+
struct spa {
/*
* Fields protected by spa_namespace_lock.
*/
char spa_name[MAXNAMELEN]; /* 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() */
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 */
+ 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 */
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 */
kcondvar_t spa_suspend_cv; /* notification of resume */
uint8_t spa_suspended; /* pool is suspended */
uint8_t spa_claiming; /* pool is doing zil_claim() */
+ boolean_t spa_debug; /* debug enabled? */
boolean_t spa_is_root; /* pool is root */
int spa_minref; /* num refs when first opened */
int spa_mode; /* FREAD | FWRITE */
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 */
+ taskqid_t spa_deadman_tqid; /* Task id */
+ uint64_t spa_deadman_calls; /* number of deadman calls */
+ uint64_t spa_sync_starttime; /* starting time fo spa_sync */
+ uint64_t spa_deadman_synctime; /* deadman expiration timer */
/*
* spa_refcnt & spa_config_lock must be the last elements
* because refcount_t changes size based on compilation options.
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