*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2018 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) 2014 Integros [integros.com]
* Copyright 2017 Joyent, Inc.
* Copyright (c) 2017 Datto Inc.
+ * Copyright (c) 2017, Intel Corporation.
*/
#ifndef _SYS_SPA_H
#define SPA_ASIZEBITS 24 /* ASIZE up to 64 times larger */
#define SPA_COMPRESSBITS 7
+#define SPA_VDEVBITS 24
/*
* All SPA data is represented by 128-bit data virtual addresses (DVAs).
*
* 64 56 48 40 32 24 16 8 0
* +-------+-------+-------+-------+-------+-------+-------+-------+
- * 0 | vdev1 | GRID | ASIZE |
+ * 0 | pad | vdev1 | GRID | ASIZE |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* 1 |G| offset1 |
* +-------+-------+-------+-------+-------+-------+-------+-------+
- * 2 | vdev2 | GRID | ASIZE |
+ * 2 | pad | vdev2 | GRID | ASIZE |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* 3 |G| offset2 |
* +-------+-------+-------+-------+-------+-------+-------+-------+
- * 4 | vdev3 | GRID | ASIZE |
+ * 4 | pad | vdev3 | GRID | ASIZE |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* 5 |G| offset3 |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* E blkptr_t contains embedded data (see below)
* lvl level of indirection
* type DMU object type
- * phys birth txg of block allocation; zero if same as logical birth txg
+ * phys birth txg when dva[0] was written; zero if same as logical birth txg
+ * note that typically all the dva's would be written in this
+ * txg, but they could be different if they were moved by
+ * device removal.
* log. birth transaction group in which the block was logically born
* fill count number of non-zero blocks under this bp
* checksum[4] 256-bit checksum of the data this bp describes
#define SPA_BLKPTRSHIFT 7 /* blkptr_t is 128 bytes */
#define SPA_DVAS_PER_BP 3 /* Number of DVAs in a bp */
+#define SPA_SYNC_MIN_VDEVS 3 /* min vdevs to update during sync */
/*
* A block is a hole when it has either 1) never been written to, or
#define DVA_GET_GRID(dva) BF64_GET((dva)->dva_word[0], 24, 8)
#define DVA_SET_GRID(dva, x) BF64_SET((dva)->dva_word[0], 24, 8, x)
-#define DVA_GET_VDEV(dva) BF64_GET((dva)->dva_word[0], 32, 32)
-#define DVA_SET_VDEV(dva, x) BF64_SET((dva)->dva_word[0], 32, 32, x)
+#define DVA_GET_VDEV(dva) BF64_GET((dva)->dva_word[0], 32, SPA_VDEVBITS)
+#define DVA_SET_VDEV(dva, x) \
+ BF64_SET((dva)->dva_word[0], 32, SPA_VDEVBITS, x)
#define DVA_GET_OFFSET(dva) \
BF64_GET_SB((dva)->dva_word[1], 0, 63, SPA_MINBLOCKSHIFT, 0)
uint64_t flags);
extern nvlist_t *spa_tryimport(nvlist_t *tryconfig);
extern int spa_destroy(char *pool);
+extern int spa_checkpoint(const char *pool);
+extern int spa_checkpoint_discard(const char *pool);
extern int spa_export(char *pool, nvlist_t **oldconfig, boolean_t force,
boolean_t hardforce);
extern int spa_reset(char *pool);
#define SPA_ASYNC_AUTOEXPAND 0x20
#define SPA_ASYNC_REMOVE_DONE 0x40
#define SPA_ASYNC_REMOVE_STOP 0x80
+#define SPA_ASYNC_INITIALIZE_RESTART 0x100
/*
* Controls the behavior of spa_vdev_remove().
int replace_done);
extern int spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare);
extern boolean_t spa_vdev_remove_active(spa_t *spa);
+extern int spa_vdev_initialize(spa_t *spa, nvlist_t *nv, uint64_t cmd_type,
+ nvlist_t *vdev_errlist);
extern int spa_vdev_setpath(spa_t *spa, uint64_t guid, const char *newpath);
extern int spa_vdev_setfru(spa_t *spa, uint64_t guid, const char *newfru);
extern int spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config,
#define SPA_CONFIG_UPDATE_POOL 0
#define SPA_CONFIG_UPDATE_VDEVS 1
-extern void spa_config_sync(spa_t *, boolean_t, boolean_t);
+extern void spa_write_cachefile(spa_t *, boolean_t, boolean_t);
extern void spa_config_load(void);
extern nvlist_t *spa_all_configs(uint64_t *);
extern void spa_config_set(spa_t *spa, nvlist_t *config);
#define SCL_STATE_ALL (SCL_STATE | SCL_L2ARC | SCL_ZIO)
/* Historical pool statistics */
-typedef struct spa_stats_history {
+typedef struct spa_history_kstat {
kmutex_t lock;
uint64_t count;
uint64_t size;
kstat_t *kstat;
void *private;
list_t list;
-} spa_stats_history_t;
+} spa_history_kstat_t;
+
+typedef struct spa_history_list {
+ uint64_t size;
+ procfs_list_t procfs_list;
+} spa_history_list_t;
typedef struct spa_stats {
- spa_stats_history_t read_history;
- spa_stats_history_t txg_history;
- spa_stats_history_t tx_assign_histogram;
- spa_stats_history_t io_history;
- spa_stats_history_t mmp_history;
+ spa_history_list_t read_history;
+ spa_history_list_t txg_history;
+ spa_history_kstat_t tx_assign_histogram;
+ spa_history_kstat_t io_history;
+ spa_history_list_t mmp_history;
+ spa_history_kstat_t state; /* pool state */
} spa_stats_t;
typedef enum txg_state {
extern int spa_mmp_history_set_skip(spa_t *spa, uint64_t mmp_kstat_id);
extern int spa_mmp_history_set(spa_t *spa, uint64_t mmp_kstat_id, int io_error,
hrtime_t duration);
-extern void *spa_mmp_history_add(spa_t *spa, uint64_t txg, uint64_t timestamp,
+extern void spa_mmp_history_add(spa_t *spa, uint64_t txg, uint64_t timestamp,
uint64_t mmp_delay, vdev_t *vd, int label, uint64_t mmp_kstat_id,
int error);
extern spa_log_state_t spa_get_log_state(spa_t *spa);
extern void spa_set_log_state(spa_t *spa, spa_log_state_t state);
-extern int spa_offline_log(spa_t *spa);
+extern int spa_reset_logs(spa_t *spa);
/* Log claim callback */
extern void spa_claim_notify(zio_t *zio);
extern boolean_t spa_shutting_down(spa_t *spa);
extern struct dsl_pool *spa_get_dsl(spa_t *spa);
extern boolean_t spa_is_initializing(spa_t *spa);
+extern boolean_t spa_indirect_vdevs_loaded(spa_t *spa);
extern blkptr_t *spa_get_rootblkptr(spa_t *spa);
extern void spa_set_rootblkptr(spa_t *spa, const blkptr_t *bp);
extern void spa_altroot(spa_t *, char *, size_t);
extern uint64_t spa_freeze_txg(spa_t *spa);
extern uint64_t spa_get_worst_case_asize(spa_t *spa, uint64_t lsize);
extern uint64_t spa_get_dspace(spa_t *spa);
+extern uint64_t spa_get_checkpoint_space(spa_t *spa);
extern uint64_t spa_get_slop_space(spa_t *spa);
extern void spa_update_dspace(spa_t *spa);
extern uint64_t spa_version(spa_t *spa);
extern boolean_t spa_deflate(spa_t *spa);
extern metaslab_class_t *spa_normal_class(spa_t *spa);
extern metaslab_class_t *spa_log_class(spa_t *spa);
+extern metaslab_class_t *spa_special_class(spa_t *spa);
+extern metaslab_class_t *spa_dedup_class(spa_t *spa);
+extern metaslab_class_t *spa_preferred_class(spa_t *spa, uint64_t size,
+ dmu_object_type_t objtype, uint_t level, uint_t special_smallblk);
+
extern void spa_evicting_os_register(spa_t *, objset_t *os);
extern void spa_evicting_os_deregister(spa_t *, objset_t *os);
extern void spa_evicting_os_wait(spa_t *spa);
extern objset_t *spa_meta_objset(spa_t *spa);
extern uint64_t spa_deadman_synctime(spa_t *spa);
extern uint64_t spa_deadman_ziotime(spa_t *spa);
+extern uint64_t spa_dirty_data(spa_t *spa);
/* Miscellaneous support routines */
+extern void spa_load_failed(spa_t *spa, const char *fmt, ...);
+extern void spa_load_note(spa_t *spa, const char *fmt, ...);
extern void spa_activate_mos_feature(spa_t *spa, const char *feature,
dmu_tx_t *tx);
extern void spa_deactivate_mos_feature(spa_t *spa, const char *feature);
-extern int spa_rename(const char *oldname, const char *newname);
extern spa_t *spa_by_guid(uint64_t pool_guid, uint64_t device_guid);
extern boolean_t spa_guid_exists(uint64_t pool_guid, uint64_t device_guid);
extern char *spa_strdup(const char *);
extern boolean_t spa_has_pending_synctask(spa_t *spa);
extern int spa_maxblocksize(spa_t *spa);
extern int spa_maxdnodesize(spa_t *spa);
+extern boolean_t spa_has_checkpoint(spa_t *spa);
+extern boolean_t spa_importing_readonly_checkpoint(spa_t *spa);
+extern boolean_t spa_suspend_async_destroy(spa_t *spa);
+extern uint64_t spa_min_claim_txg(spa_t *spa);
extern void zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp);
+extern boolean_t zfs_dva_valid(spa_t *spa, const dva_t *dva,
+ const blkptr_t *bp);
+typedef void (*spa_remap_cb_t)(uint64_t vdev, uint64_t offset, uint64_t size,
+ void *arg);
+extern boolean_t spa_remap_blkptr(spa_t *spa, blkptr_t *bp,
+ spa_remap_cb_t callback, void *arg);
+extern uint64_t spa_get_last_removal_txg(spa_t *spa);
+extern boolean_t spa_trust_config(spa_t *spa);
+extern uint64_t spa_missing_tvds_allowed(spa_t *spa);
+extern void spa_set_missing_tvds(spa_t *spa, uint64_t missing);
+extern boolean_t spa_top_vdevs_spacemap_addressable(spa_t *spa);
extern boolean_t spa_multihost(spa_t *spa);
extern unsigned long spa_get_hostid(void);
+extern void spa_activate_allocation_classes(spa_t *, dmu_tx_t *);
extern int spa_mode(spa_t *spa);
extern uint64_t zfs_strtonum(const char *str, char **nptr);
extern void spa_history_log_internal_dd(dsl_dir_t *dd, const char *operation,
dmu_tx_t *tx, const char *fmt, ...);
+extern const char *spa_state_to_name(spa_t *spa);
+
/* error handling */
struct zbookmark_phys;
extern void spa_log_error(spa_t *spa, const zbookmark_phys_t *zb);
-extern void zfs_ereport_post(const char *class, spa_t *spa, vdev_t *vd,
+extern int zfs_ereport_post(const char *class, spa_t *spa, vdev_t *vd,
const zbookmark_phys_t *zb, zio_t *zio, uint64_t stateoroffset,
uint64_t length);
+extern boolean_t zfs_ereport_is_valid(const char *class, spa_t *spa, vdev_t *vd,
+ zio_t *zio);
extern nvlist_t *zfs_event_create(spa_t *spa, vdev_t *vd, const char *type,
const char *name, nvlist_t *aux);
extern void zfs_post_remove(spa_t *spa, vdev_t *vd);
#define dprintf_bp(bp, fmt, ...)
#endif
-extern boolean_t spa_debug_enabled(spa_t *spa);
-#define spa_dbgmsg(spa, ...) \
-{ \
- if (spa_debug_enabled(spa)) \
- zfs_dbgmsg(__VA_ARGS__); \
-}
-
extern int spa_mode_global; /* mode, e.g. FREAD | FWRITE */
extern int zfs_deadman_enabled;
extern unsigned long zfs_deadman_synctime_ms;
projects / mirror_zfs.git / blobdiff