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usr/src/uts/common/fs/zfs/autosnap.c

*** 18,30 **** * * CDDL HEADER END */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. 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. */ --- 18,31 ---- * * CDDL HEADER END */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. ! * Copyright 2013 Saso Kiselkov. All rights reserved. ! * Copyright (c) 2011, 2016 by Delphix. All rights reserved. * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + * Copyright 2016 Nexenta Systems, Inc. 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. */
*** 33,43 **** #define _SYS_SPA_H #include <sys/avl.h> #include <sys/zfs_context.h> #include <sys/nvpair.h> - #include <sys/sysevent.h> #include <sys/sysmacros.h> #include <sys/types.h> #include <sys/fs/zfs.h> #include <sys/dmu.h> --- 34,43 ----
*** 59,68 **** --- 59,70 ---- typedef struct ddt ddt_t; typedef struct ddt_entry ddt_entry_t; struct dsl_pool; struct dsl_dataset; + struct zfs_autosnap; + /* * General-purpose 32-bit and 64-bit bitfield encodings. */ #define BF32_DECODE(x, low, len) P2PHASE((x) >> (low), 1U << (len)) #define BF64_DECODE(x, low, len) P2PHASE((x) >> (low), 1ULL << (len))
*** 178,188 **** * +-------+-------+-------+-------+-------+-------+-------+-------+ * 4 | vdev3 | GRID | ASIZE | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 5 |G| offset3 | * +-------+-------+-------+-------+-------+-------+-------+-------+ ! * 6 |BDX|lvl| type | cksum |E| comp| PSIZE | LSIZE | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 7 | padding | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 8 | padding | * +-------+-------+-------+-------+-------+-------+-------+-------+ --- 180,190 ---- * +-------+-------+-------+-------+-------+-------+-------+-------+ * 4 | vdev3 | GRID | ASIZE | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 5 |G| offset3 | * +-------+-------+-------+-------+-------+-------+-------+-------+ ! * 6 |BDS|lvl| type | cksum |E| comp| PSIZE | LSIZE | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 7 | padding | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 8 | padding | * +-------+-------+-------+-------+-------+-------+-------+-------+
*** 212,229 **** * cksum checksum function * comp compression function * G gang block indicator * B byteorder (endianness) * D dedup ! * X encryption (on version 30, which is not supported) * E blkptr_t contains embedded data (see below) * lvl level of indirection * type DMU object type ! * 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 */ --- 214,228 ---- * cksum checksum function * comp compression function * G gang block indicator * B byteorder (endianness) * D dedup ! * S special WBC block (unused for embedded blocks) * 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 * 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 */
*** 241,251 **** * 2 | payload | * 3 | payload | * 4 | payload | * 5 | payload | * +-------+-------+-------+-------+-------+-------+-------+-------+ ! * 6 |BDX|lvl| type | etype |E| comp| PSIZE| LSIZE | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 7 | payload | * 8 | payload | * 9 | payload | * +-------+-------+-------+-------+-------+-------+-------+-------+ --- 240,250 ---- * 2 | payload | * 3 | payload | * 4 | payload | * 5 | payload | * +-------+-------+-------+-------+-------+-------+-------+-------+ ! * 6 |BDS|lvl| type | etype |E| comp| PSIZE| LSIZE | * +-------+-------+-------+-------+-------+-------+-------+-------+ * 7 | payload | * 8 | payload | * 9 | payload | * +-------+-------+-------+-------+-------+-------+-------+-------+
*** 261,271 **** * Legend: * * payload contains the embedded data * B (byteorder) byteorder (endianness) * D (dedup) padding (set to zero) ! * X encryption (set to zero; see above) * E (embedded) set to one * lvl indirection level * type DMU object type * etype how to interpret embedded data (BP_EMBEDDED_TYPE_*) * comp compression function of payload --- 260,270 ---- * Legend: * * payload contains the embedded data * B (byteorder) byteorder (endianness) * D (dedup) padding (set to zero) ! * S special WBC block (unused for embedded blocks) * E (embedded) set to one * lvl indirection level * type DMU object type * etype how to interpret embedded data (BP_EMBEDDED_TYPE_*) * comp compression function of payload
*** 320,330 **** #define BPE_IS_PAYLOADWORD(bp, wp) \ ((wp) != &(bp)->blk_prop && (wp) != &(bp)->blk_birth) #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 * 2) is zero-filled. In both cases, ZFS can return all zeroes for all reads * without physically allocating disk space. Holes are represented in the --- 319,328 ----
*** 405,414 **** --- 403,415 ---- #define BP_SET_TYPE(bp, x) BF64_SET((bp)->blk_prop, 48, 8, x) #define BP_GET_LEVEL(bp) BF64_GET((bp)->blk_prop, 56, 5) #define BP_SET_LEVEL(bp, x) BF64_SET((bp)->blk_prop, 56, 5, x) + #define BP_IS_SPECIAL(bp) BF64_GET((bp)->blk_prop, 61, 1) + #define BP_SET_SPECIAL(bp, x) BF64_SET((bp)->blk_prop, 61, 1, x) + #define BP_GET_DEDUP(bp) BF64_GET((bp)->blk_prop, 62, 1) #define BP_SET_DEDUP(bp, x) BF64_SET((bp)->blk_prop, 62, 1, x) #define BP_GET_BYTEORDER(bp) BF64_GET((bp)->blk_prop, 63, 1) #define BP_SET_BYTEORDER(bp, x) BF64_SET((bp)->blk_prop, 63, 1, x)
*** 465,487 **** (0 == (((zc1).zc_word[0] - (zc2).zc_word[0]) | \ ((zc1).zc_word[1] - (zc2).zc_word[1]) | \ ((zc1).zc_word[2] - (zc2).zc_word[2]) | \ ((zc1).zc_word[3] - (zc2).zc_word[3]))) #define ZIO_CHECKSUM_IS_ZERO(zc) \ (0 == ((zc)->zc_word[0] | (zc)->zc_word[1] | \ (zc)->zc_word[2] | (zc)->zc_word[3])) - #define ZIO_CHECKSUM_BSWAP(zcp) \ - { \ - (zcp)->zc_word[0] = BSWAP_64((zcp)->zc_word[0]); \ - (zcp)->zc_word[1] = BSWAP_64((zcp)->zc_word[1]); \ - (zcp)->zc_word[2] = BSWAP_64((zcp)->zc_word[2]); \ - (zcp)->zc_word[3] = BSWAP_64((zcp)->zc_word[3]); \ - } - - #define DVA_IS_VALID(dva) (DVA_GET_ASIZE(dva) != 0) #define ZIO_SET_CHECKSUM(zcp, w0, w1, w2, w3) \ { \ (zcp)->zc_word[0] = w0; \ --- 466,490 ---- (0 == (((zc1).zc_word[0] - (zc2).zc_word[0]) | \ ((zc1).zc_word[1] - (zc2).zc_word[1]) | \ ((zc1).zc_word[2] - (zc2).zc_word[2]) | \ ((zc1).zc_word[3] - (zc2).zc_word[3]))) + #define ZIO_CHECKSUM_BSWAP(_zc) \ + do { \ + zio_cksum_t *zc = (_zc); \ + zc->zc_word[0] = BSWAP_64(zc->zc_word[0]); \ + zc->zc_word[1] = BSWAP_64(zc->zc_word[1]); \ + zc->zc_word[2] = BSWAP_64(zc->zc_word[2]); \ + zc->zc_word[3] = BSWAP_64(zc->zc_word[3]); \ + _NOTE(NOTREACHED) \ + _NOTE(CONSTCOND) \ + } while (0) + #define ZIO_CHECKSUM_IS_ZERO(zc) \ (0 == ((zc)->zc_word[0] | (zc)->zc_word[1] | \ (zc)->zc_word[2] | (zc)->zc_word[3])) #define DVA_IS_VALID(dva) (DVA_GET_ASIZE(dva) != 0) #define ZIO_SET_CHECKSUM(zcp, w0, w1, w2, w3) \ { \ (zcp)->zc_word[0] = w0; \
*** 604,635 **** } \ ASSERT(len < size); \ } #define BP_GET_BUFC_TYPE(bp) \ ! (BP_IS_METADATA(bp) ? ARC_BUFC_METADATA : ARC_BUFC_DATA) typedef enum spa_import_type { SPA_IMPORT_EXISTING, SPA_IMPORT_ASSEMBLE } spa_import_type_t; /* state manipulation functions */ extern int spa_open(const char *pool, spa_t **, void *tag); extern int spa_open_rewind(const char *pool, spa_t **, void *tag, nvlist_t *policy, nvlist_t **config); ! extern int spa_get_stats(const char *pool, nvlist_t **config, char *altroot, ! size_t buflen); extern int spa_create(const char *pool, nvlist_t *config, nvlist_t *props, nvlist_t *zplprops); extern int spa_import_rootpool(char *devpath, char *devid); extern int spa_import(const char *pool, nvlist_t *config, nvlist_t *props, uint64_t flags); extern nvlist_t *spa_tryimport(nvlist_t *tryconfig); extern int spa_destroy(char *pool); extern int spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, ! boolean_t hardforce); extern int spa_reset(char *pool); extern void spa_async_request(spa_t *spa, int flag); extern void spa_async_unrequest(spa_t *spa, int flag); extern void spa_async_suspend(spa_t *spa); extern void spa_async_resume(spa_t *spa); --- 607,662 ---- } \ ASSERT(len < size); \ } #define BP_GET_BUFC_TYPE(bp) \ ! ((BP_GET_TYPE(bp) == DMU_OT_DDT_ZAP || \ ! BP_GET_TYPE(bp) == DMU_OT_DDT_STATS) ? ARC_BUFC_DDT : \ ! (BP_IS_METADATA(bp) ? ARC_BUFC_METADATA : ARC_BUFC_DATA)) typedef enum spa_import_type { SPA_IMPORT_EXISTING, SPA_IMPORT_ASSEMBLE } spa_import_type_t; + /* + * Should we force sending TRIM commands even to devices which evidently + * don't support it? + * OFF: no, only send to devices which indicated support + * ON: yes, force send to everybody + */ + typedef enum { + SPA_FORCE_TRIM_OFF = 0, /* default */ + SPA_FORCE_TRIM_ON + } spa_force_trim_t; + + /* + * Should we send TRIM commands in-line during normal pool operation while + * deleting stuff? + * OFF: no + * ON: yes + */ + typedef enum { + SPA_AUTO_TRIM_OFF = 0, /* default */ + SPA_AUTO_TRIM_ON + } spa_auto_trim_t; + /* state manipulation functions */ extern int spa_open(const char *pool, spa_t **, void *tag); extern int spa_open_rewind(const char *pool, spa_t **, void *tag, nvlist_t *policy, nvlist_t **config); ! extern int spa_get_stats(const char *name, nvlist_t **config, ! char *altroot, size_t buflen); extern int spa_create(const char *pool, nvlist_t *config, nvlist_t *props, nvlist_t *zplprops); extern int spa_import_rootpool(char *devpath, char *devid); extern int spa_import(const char *pool, nvlist_t *config, nvlist_t *props, uint64_t flags); extern nvlist_t *spa_tryimport(nvlist_t *tryconfig); extern int spa_destroy(char *pool); extern int spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, ! boolean_t hardforce, boolean_t saveconfig); extern int spa_reset(char *pool); extern void spa_async_request(spa_t *spa, int flag); extern void spa_async_unrequest(spa_t *spa, int flag); extern void spa_async_suspend(spa_t *spa); extern void spa_async_resume(spa_t *spa);
*** 644,653 **** --- 671,682 ---- #define SPA_ASYNC_RESILVER_DONE 0x08 #define SPA_ASYNC_RESILVER 0x10 #define SPA_ASYNC_AUTOEXPAND 0x20 #define SPA_ASYNC_REMOVE_DONE 0x40 #define SPA_ASYNC_REMOVE_STOP 0x80 + #define SPA_ASYNC_L2CACHE_REBUILD 0x100 + #define SPA_ASYNC_MAN_TRIM_TASKQ_DESTROY 0x200 /* * Controls the behavior of spa_vdev_remove(). */ #define SPA_REMOVE_UNSPARE 0x01
*** 659,673 **** --- 688,711 ---- int replacing); extern int spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, 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_setl2adddt(spa_t *spa, uint64_t guid, const char *newval); 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, nvlist_t *props, boolean_t exp); + extern int spa_load_vdev_props(spa_t *spa); + + extern int spa_vdev_prop_validate(spa_t *spa, uint64_t vdev_guid, + nvlist_t *nvp); + extern int spa_vdev_prop_set(spa_t *spa, uint64_t vdev_guid, nvlist_t *nvp); + extern int spa_vdev_prop_get(spa_t *spa, uint64_t vdev_guid, nvlist_t **nvp); + extern int spa_vdev_props_sync_task_do(spa_t *spa); + /* spare state (which is global across all pools) */ extern void spa_spare_add(vdev_t *vd); extern void spa_spare_remove(vdev_t *vd); extern boolean_t spa_spare_exists(uint64_t guid, uint64_t *pool, int *refcnt); extern void spa_spare_activate(vdev_t *vd);
*** 682,691 **** --- 720,736 ---- /* scanning */ extern int spa_scan(spa_t *spa, pool_scan_func_t func); extern int spa_scan_stop(spa_t *spa); extern int spa_scrub_pause_resume(spa_t *spa, pool_scrub_cmd_t flag); + /* trimming */ + extern void spa_man_trim(spa_t *spa, uint64_t rate); + extern void spa_man_trim_stop(spa_t *spa); + extern void spa_get_trim_prog(spa_t *spa, uint64_t *prog, uint64_t *rate, + uint64_t *start_time, uint64_t *stop_time); + extern void spa_trim_stop_wait(spa_t *spa); + /* spa syncing */ extern void spa_sync(spa_t *spa, uint64_t txg); /* only for DMU use */ extern void spa_sync_allpools(void); /* spa namespace global mutex */
*** 696,706 **** */ #define SPA_CONFIG_UPDATE_POOL 0 #define SPA_CONFIG_UPDATE_VDEVS 1 ! 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); extern nvlist_t *spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats); --- 741,751 ---- */ #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_config_load(void); extern nvlist_t *spa_all_configs(uint64_t *); extern void spa_config_set(spa_t *spa, nvlist_t *config); extern nvlist_t *spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats);
*** 708,717 **** --- 753,767 ---- /* * Miscellaneous SPA routines in spa_misc.c */ + /* dedup ceiling helper functions */ + extern uint64_t spa_get_ddts_size(spa_t *spa, boolean_t phys); + extern int spa_get_l2arc_ddt_utilization(spa_t *spa); + extern boolean_t spa_enable_dedup_cap(spa_t *spa); + /* Namespace manipulation */ extern spa_t *spa_lookup(const char *name); extern spa_t *spa_add(const char *name, nvlist_t *config, const char *altroot); extern void spa_remove(spa_t *spa); extern spa_t *spa_next(spa_t *prev);
*** 759,778 **** SPA_LOG_GOOD, /* log(s) are good */ } spa_log_state_t; 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_reset_logs(spa_t *spa); /* Log claim callback */ extern void spa_claim_notify(zio_t *zio); /* Accessor functions */ 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 int spa_sync_pass(spa_t *spa); extern char *spa_name(spa_t *spa); --- 809,827 ---- SPA_LOG_GOOD, /* log(s) are good */ } spa_log_state_t; 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); /* Log claim callback */ extern void spa_claim_notify(zio_t *zio); /* Accessor functions */ 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 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 int spa_sync_pass(spa_t *spa); extern char *spa_name(spa_t *spa);
*** 781,823 **** extern uint64_t spa_last_synced_txg(spa_t *spa); extern uint64_t spa_first_txg(spa_t *spa); extern uint64_t spa_syncing_txg(spa_t *spa); extern uint64_t spa_final_dirty_txg(spa_t *spa); extern uint64_t spa_version(spa_t *spa); extern pool_state_t spa_state(spa_t *spa); extern spa_load_state_t spa_load_state(spa_t *spa); 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_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 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 int spa_max_replication(spa_t *spa); extern int spa_prev_software_version(spa_t *spa); extern int spa_busy(void); extern uint8_t spa_get_failmode(spa_t *spa); extern boolean_t spa_suspended(spa_t *spa); extern uint64_t spa_bootfs(spa_t *spa); extern uint64_t spa_delegation(spa_t *spa); extern objset_t *spa_meta_objset(spa_t *spa); extern uint64_t spa_deadman_synctime(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 void spa_strfree(char *); extern uint64_t spa_get_random(uint64_t range); extern uint64_t spa_generate_guid(spa_t *spa); extern void snprintf_blkptr(char *buf, size_t buflen, const blkptr_t *bp); --- 830,877 ---- extern uint64_t spa_last_synced_txg(spa_t *spa); extern uint64_t spa_first_txg(spa_t *spa); extern uint64_t spa_syncing_txg(spa_t *spa); extern uint64_t spa_final_dirty_txg(spa_t *spa); extern uint64_t spa_version(spa_t *spa); + extern int spa_get_obj_mtx_sz(spa_t *spa); extern pool_state_t spa_state(spa_t *spa); extern spa_load_state_t spa_load_state(spa_t *spa); 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_slop_space(spa_t *spa); extern void spa_update_dspace(spa_t *spa); + extern void spa_update_latency(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 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 uint64_t spa_class_alloc_percentage(metaslab_class_t *mc); extern int spa_max_replication(spa_t *spa); extern int spa_prev_software_version(spa_t *spa); extern int spa_busy(void); extern uint8_t spa_get_failmode(spa_t *spa); extern boolean_t spa_suspended(spa_t *spa); extern uint64_t spa_bootfs(spa_t *spa); extern uint64_t spa_delegation(spa_t *spa); extern objset_t *spa_meta_objset(spa_t *spa); extern uint64_t spa_deadman_synctime(spa_t *spa); + extern spa_force_trim_t spa_get_force_trim(spa_t *spa); + extern spa_auto_trim_t spa_get_auto_trim(spa_t *spa); /* Miscellaneous support routines */ 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 boolean_t spa_config_guid_exists(uint64_t pool_guid); extern char *spa_strdup(const char *); extern void spa_strfree(char *); extern uint64_t spa_get_random(uint64_t range); extern uint64_t spa_generate_guid(spa_t *spa); extern void snprintf_blkptr(char *buf, size_t buflen, const blkptr_t *bp);
*** 833,858 **** extern uint64_t bp_get_dsize(spa_t *spa, const blkptr_t *bp); extern boolean_t spa_has_slogs(spa_t *spa); extern boolean_t spa_is_root(spa_t *spa); extern boolean_t spa_writeable(spa_t *spa); extern boolean_t spa_has_pending_synctask(spa_t *spa); extern int spa_maxblocksize(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 int spa_mode(spa_t *spa); extern uint64_t zfs_strtonum(const char *str, char **nptr); extern char *spa_his_ievent_table[]; extern void spa_history_create_obj(spa_t *spa, dmu_tx_t *tx); extern int spa_history_get(spa_t *spa, uint64_t *offset, uint64_t *len_read, char *his_buf); --- 887,914 ---- extern uint64_t bp_get_dsize(spa_t *spa, const blkptr_t *bp); extern boolean_t spa_has_slogs(spa_t *spa); extern boolean_t spa_is_root(spa_t *spa); extern boolean_t spa_writeable(spa_t *spa); extern boolean_t spa_has_pending_synctask(spa_t *spa); + extern boolean_t spa_has_special(spa_t *spa); extern int spa_maxblocksize(spa_t *spa); extern void zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp); ! extern boolean_t spa_wbc_present(spa_t *spa); ! extern boolean_t spa_wbc_active(spa_t *spa); ! extern struct zfs_autosnap *spa_get_autosnap(spa_t *spa); ! extern void wbc_purge_window(spa_t *spa, dmu_tx_t *tx); extern int spa_mode(spa_t *spa); extern uint64_t zfs_strtonum(const char *str, char **nptr); + /* Selector for dynamic I/O balancing between special and regular vdevs */ + extern boolean_t spa_use_special_class(spa_t *spa); + + /* Pool perfmon thread management */ + extern void spa_start_perfmon_thread(spa_t *spa); + extern boolean_t spa_stop_perfmon_thread(spa_t *spa); + extern char *spa_his_ievent_table[]; extern void spa_history_create_obj(spa_t *spa, dmu_tx_t *tx); extern int spa_history_get(spa_t *spa, uint64_t *offset, uint64_t *len_read, char *his_buf);
*** 897,911 **** extern void spa_configfile_set(spa_t *, nvlist_t *, boolean_t); /* asynchronous event notification */ extern void spa_event_notify(spa_t *spa, vdev_t *vdev, nvlist_t *hist_nvl, const char *name); - extern sysevent_t *spa_event_create(spa_t *spa, vdev_t *vd, nvlist_t *hist_nvl, - const char *name); - extern void spa_event_post(sysevent_t *ev); - extern void spa_event_discard(sysevent_t *ev); #ifdef ZFS_DEBUG #define dprintf_bp(bp, fmt, ...) do { \ if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ char *__blkbuf = kmem_alloc(BP_SPRINTF_LEN, KM_SLEEP); \ snprintf_blkptr(__blkbuf, BP_SPRINTF_LEN, (bp)); \ --- 953,976 ---- extern void spa_configfile_set(spa_t *, nvlist_t *, boolean_t); /* asynchronous event notification */ extern void spa_event_notify(spa_t *spa, vdev_t *vdev, nvlist_t *hist_nvl, const char *name); + extern int spa_wbc_mode(const char *name); + + typedef enum spa_wbc_mode { + WBC_MODE_OFF, + WBC_MODE_ACTIVE, + WBC_MODE_PASSIVE + } spa_wbc_mode_t; + + /* TRIM/UNMAP kstat update */ + extern void spa_trimstats_update(spa_t *spa, uint64_t extents, uint64_t bytes, + uint64_t extents_skipped, uint64_t bytes_skipped); + extern void spa_trimstats_auto_slow_incr(spa_t *spa); + #ifdef ZFS_DEBUG #define dprintf_bp(bp, fmt, ...) do { \ if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ char *__blkbuf = kmem_alloc(BP_SPRINTF_LEN, KM_SLEEP); \ snprintf_blkptr(__blkbuf, BP_SPRINTF_LEN, (bp)); \