Mercurial > illumos > git > illumos-joyent
view usr/src/uts/common/fs/zfs/sys/dsl_dataset.h @ 25635:ce2b70e7aab0
[illumos-gate merge]
commit 0a554e9f2c0d440dc40a97fae2d18f1d428ca786
13404 man page spelling errors
commit 9f76c6ed5b6ee0cc0bf631daca15ac3dc5fc70c4
13400 zfs-tests: implicit conversion from 'enum dmu_objset_type' to 'enum lzc_dataset_type'
commit ef96fc31fc4f4306719704352d5c3e33573c039f
13399 zfs: error: implicit conversion from 'boolean_t' to 'ds_hold_flags_t'
commit 56870e8c76c2675bcef1fcee5d519585ce9c768e
13393 cheetah: case value '47616' not in enumerated type
commit 8247326397b1a16f37e70cf13f5b7a4f50d06712
13403 zfs: symbol 'g_zfs' is multiply-defined
commit 436b964b19ef06803ad9165542d80d9d731d6486
13402 zpool: symbol 'g_zfs' is multiply-defined
commit 99308ed0417a2b8ab73c5856a8a5345ce2a7aea7
13396 PoolsExecption typo in resource pools javadoc
commit 1575b751c16622553e958c1e5c45e59c86b15c6e
13392 px: case value '3' not in enumerated type
commit 9b0429a10eec9313ec782d8421272aff70adbfdc
13339 Add support for Hygon Dhyana Family 18h processor
commit d20422bd742384b77102bb3bd09e0dc4b7372e50
13351 loader: vbe_find_mode_xydm() is using wrong safety and iteration is buggy
commit 174b8e455f9a6974e69fa4e28792580acde0892d
13311 uptime(1) dazed and confused for a minute after boot
commit f816551bb187d104fbf2757703d7a5d2189a3a18
13401 eeprom: 'lv' may be used uninitialized in this function
commit 5e96da73c99d9d17ff5a58b793fff2ab6dcadf25
13391 fm: build errors with gcc 7 on SPARC
commit 58b55f701e285559e4799354996fd284238ed0d4
13398 libstand: xdrproc_t should return bool
commit c6a28d7650029501a356f7b75b2a10a5c4430cef
13394 fhc: case value '4294967295' not in enumerated type
commit 58d4b16fe601073f2408de78e3db7e9bfa9abfd2
13355 remove topo module warning gags
commit 1473b8d60e902819558a8b0e8a257eb0d754c3c3
13388 ZFS list bookmark not working on zvols
commit 4bba12ca5cd6f92aaf0d4c0d19d05528110bc095
13368 libbe_py should support temporary BE activation
commit a92282e44f968185a6bba094d1e5fece2da819cf
13376 fm: variable may be used uninitialized
commit 8b1df8bf71b7b62e7e4d46fe6b457d4d6447b2b8
13367 beadm activate -t should not promote new BE datasets
commit 9704bf7fb82e71b685e194a967937ff03843e73a
13317 Decrease contention on dn_struct_rwlock
commit 88a08813800ed7ba7c927986421cee437f7f2233
13363 ctfconvert could support more granular ignore for missing debug data
commit 3dd4cd56e7843e01a8ab147a0d102cd4f6d732c1
13342 ctfconvert could encode _Float128 for 32-bit objects
commit 73197b540cc5f0434c409b68ca9e1a514a6ce91b
13336 ctfconvert should be able to unconditionally attempt conversion
commit dd4422524768709a579a2a93a10c78a88a6b0ecb
13280 CTF: provide option to truncate and continue
Conflicts & other fixes (with help from Jason King <jbk@joyent.com>):
usr/src/lib/fm/topo/modules/common/ipmi/ipmi_enum.c
usr/src/lib/libctf/common/ctf_convert.c
usr/src/lib/libctf/common/ctf_lib.c
usr/src/lib/libctf/common/libctf.h
usr/src/lib/libproc/common/Psymtab.c
usr/src/man/man1/ld.so.1.1
usr/src/man/man4/process.4
author | Dan McDonald <danmcd@joyent.com> |
---|---|
date | Mon, 04 Jan 2021 14:49:49 -0500 |
parents | 938b6e21ff19 e4ae7892e3f9 |
children |
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/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2011, 2017 by Delphix. All rights reserved. * Copyright (c) 2013, Joyent, Inc. All rights reserved. * Copyright (c) 2013 Steven Hartland. All rights reserved. * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. * Copyright (c) 2014 Integros [integros.com] */ #ifndef _SYS_DSL_DATASET_H #define _SYS_DSL_DATASET_H #include <sys/dmu.h> #include <sys/spa.h> #include <sys/txg.h> #include <sys/zio.h> #include <sys/bplist.h> #include <sys/dsl_synctask.h> #include <sys/zfs_context.h> #include <sys/dsl_deadlist.h> #include <sys/refcount.h> #include <sys/rrwlock.h> #include <sys/dsl_crypt.h> #include <zfeature_common.h> #ifdef __cplusplus extern "C" { #endif struct dsl_dataset; struct dsl_dir; struct dsl_pool; struct dsl_crypto_params; struct dsl_key_mapping; #define DS_FLAG_INCONSISTENT (1ULL<<0) #define DS_IS_INCONSISTENT(ds) \ (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_INCONSISTENT) /* * Do not allow this dataset to be promoted. */ #define DS_FLAG_NOPROMOTE (1ULL<<1) /* * DS_FLAG_UNIQUE_ACCURATE is set if ds_unique_bytes has been correctly * calculated for head datasets (starting with SPA_VERSION_UNIQUE_ACCURATE, * refquota/refreservations). */ #define DS_FLAG_UNIQUE_ACCURATE (1ULL<<2) /* * DS_FLAG_DEFER_DESTROY is set after 'zfs destroy -d' has been called * on a dataset. This allows the dataset to be destroyed using 'zfs release'. */ #define DS_FLAG_DEFER_DESTROY (1ULL<<3) #define DS_IS_DEFER_DESTROY(ds) \ (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_DEFER_DESTROY) /* * DS_FIELD_* are strings that are used in the "extensified" dataset zap object. * They should be of the format <reverse-dns>:<field>. */ /* * This field's value is the object ID of a zap object which contains the * bookmarks of this dataset. If it is present, then this dataset is counted * in the refcount of the SPA_FEATURES_BOOKMARKS feature. */ #define DS_FIELD_BOOKMARK_NAMES "com.delphix:bookmarks" /* * This field is present (with value=0) if this dataset may contain large * dnodes (>512B). If it is present, then this dataset is counted in the * refcount of the SPA_FEATURE_LARGE_DNODE feature. */ #define DS_FIELD_LARGE_DNODE "org.zfsonlinux:large_dnode" /* * These fields are set on datasets that are in the middle of a resumable * receive, and allow the sender to resume the send if it is interrupted. */ #define DS_FIELD_RESUME_FROMGUID "com.delphix:resume_fromguid" #define DS_FIELD_RESUME_TONAME "com.delphix:resume_toname" #define DS_FIELD_RESUME_TOGUID "com.delphix:resume_toguid" #define DS_FIELD_RESUME_OBJECT "com.delphix:resume_object" #define DS_FIELD_RESUME_OFFSET "com.delphix:resume_offset" #define DS_FIELD_RESUME_BYTES "com.delphix:resume_bytes" #define DS_FIELD_RESUME_LARGEBLOCK "com.delphix:resume_largeblockok" #define DS_FIELD_RESUME_EMBEDOK "com.delphix:resume_embedok" #define DS_FIELD_RESUME_COMPRESSOK "com.delphix:resume_compressok" #define DS_FIELD_RESUME_RAWOK "com.datto:resume_rawok" /* * This field is set to the object number of the remap deadlist if one exists. */ #define DS_FIELD_REMAP_DEADLIST "com.delphix:remap_deadlist" /* * This field is set to the ivset guid for encrypted snapshots. This is used * for validating raw receives. */ #define DS_FIELD_IVSET_GUID "com.datto:ivset_guid" /* * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose * name lookups should be performed case-insensitively. */ #define DS_FLAG_CI_DATASET (1ULL<<16) #define DS_CREATE_FLAG_NODIRTY (1ULL<<24) typedef struct dsl_dataset_phys { uint64_t ds_dir_obj; /* DMU_OT_DSL_DIR */ uint64_t ds_prev_snap_obj; /* DMU_OT_DSL_DATASET */ uint64_t ds_prev_snap_txg; uint64_t ds_next_snap_obj; /* DMU_OT_DSL_DATASET */ uint64_t ds_snapnames_zapobj; /* DMU_OT_DSL_DS_SNAP_MAP 0 for snaps */ uint64_t ds_num_children; /* clone/snap children; ==0 for head */ uint64_t ds_creation_time; /* seconds since 1970 */ uint64_t ds_creation_txg; uint64_t ds_deadlist_obj; /* DMU_OT_DEADLIST */ /* * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes * include all blocks referenced by this dataset, including those * shared with any other datasets. */ uint64_t ds_referenced_bytes; uint64_t ds_compressed_bytes; uint64_t ds_uncompressed_bytes; uint64_t ds_unique_bytes; /* only relevant to snapshots */ /* * The ds_fsid_guid is a 56-bit ID that can change to avoid * collisions. The ds_guid is a 64-bit ID that will never * change, so there is a small probability that it will collide. */ uint64_t ds_fsid_guid; uint64_t ds_guid; uint64_t ds_flags; /* DS_FLAG_* */ blkptr_t ds_bp; uint64_t ds_next_clones_obj; /* DMU_OT_DSL_CLONES */ uint64_t ds_props_obj; /* DMU_OT_DSL_PROPS for snaps */ uint64_t ds_userrefs_obj; /* DMU_OT_USERREFS */ uint64_t ds_pad[5]; /* pad out to 320 bytes for good measure */ } dsl_dataset_phys_t; typedef struct dsl_dataset { dmu_buf_user_t ds_dbu; rrwlock_t ds_bp_rwlock; /* Protects ds_phys->ds_bp */ /* Immutable: */ struct dsl_dir *ds_dir; dmu_buf_t *ds_dbuf; uint64_t ds_object; uint64_t ds_fsid_guid; boolean_t ds_is_snapshot; struct dsl_key_mapping *ds_key_mapping; /* only used in syncing context, only valid for non-snapshots: */ struct dsl_dataset *ds_prev; uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */ /* has internal locking: */ dsl_deadlist_t ds_deadlist; bplist_t ds_pending_deadlist; /* * The remap deadlist contains blocks (DVA's, really) that are * referenced by the previous snapshot and point to indirect vdevs, * but in this dataset they have been remapped to point to concrete * (or at least, less-indirect) vdevs. In other words, the * physical DVA is referenced by the previous snapshot but not by * this dataset. Logically, the DVA continues to be referenced, * but we are using a different (less indirect) physical DVA. * This deadlist is used to determine when physical DVAs that * point to indirect vdevs are no longer referenced anywhere, * and thus should be marked obsolete. * * This is only used if SPA_FEATURE_OBSOLETE_COUNTS is enabled. */ dsl_deadlist_t ds_remap_deadlist; /* protects creation of the ds_remap_deadlist */ kmutex_t ds_remap_deadlist_lock; /* protected by lock on pool's dp_dirty_datasets list */ txg_node_t ds_dirty_link; list_node_t ds_synced_link; /* * ds_phys->ds_<accounting> is also protected by ds_lock. * Protected by ds_lock: */ kmutex_t ds_lock; objset_t *ds_objset; uint64_t ds_userrefs; void *ds_owner; /* * Long holds prevent the ds from being destroyed; they allow the * ds to remain held even after dropping the dp_config_rwlock. * Owning counts as a long hold. See the comments above * dsl_pool_hold() for details. */ zfs_refcount_t ds_longholds; /* no locking; only for making guesses */ uint64_t ds_trysnap_txg; /* for objset_open() */ kmutex_t ds_opening_lock; uint64_t ds_reserved; /* cached refreservation */ uint64_t ds_quota; /* cached refquota */ kmutex_t ds_sendstream_lock; list_t ds_sendstreams; /* * When in the middle of a resumable receive, tracks how much * progress we have made. */ uint64_t ds_resume_object[TXG_SIZE]; uint64_t ds_resume_offset[TXG_SIZE]; uint64_t ds_resume_bytes[TXG_SIZE]; /* Protected by our dsl_dir's dd_lock */ list_t ds_prop_cbs; /* * For ZFEATURE_FLAG_PER_DATASET features, set if this dataset * uses this feature. */ uint8_t ds_feature_inuse[SPA_FEATURES]; /* * Set if we need to activate the feature on this dataset this txg * (used only in syncing context). */ uint8_t ds_feature_activation_needed[SPA_FEATURES]; /* Protected by ds_lock; keep at end of struct for better locality */ char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; } dsl_dataset_t; inline dsl_dataset_phys_t * dsl_dataset_phys(dsl_dataset_t *ds) { return (ds->ds_dbuf->db_data); } typedef struct dsl_dataset_promote_arg { const char *ddpa_clonename; dsl_dataset_t *ddpa_clone; list_t shared_snaps, origin_snaps, clone_snaps; dsl_dataset_t *origin_origin; /* origin of the origin */ uint64_t used, comp, uncomp, unique, cloneusedsnap, originusedsnap; nvlist_t *err_ds; cred_t *cr; } dsl_dataset_promote_arg_t; typedef struct dsl_dataset_rollback_arg { const char *ddra_fsname; const char *ddra_tosnap; void *ddra_owner; nvlist_t *ddra_result; } dsl_dataset_rollback_arg_t; typedef struct dsl_dataset_snapshot_arg { nvlist_t *ddsa_snaps; nvlist_t *ddsa_props; nvlist_t *ddsa_errors; cred_t *ddsa_cr; } dsl_dataset_snapshot_arg_t; /* * The max length of a temporary tag prefix is the number of hex digits * required to express UINT64_MAX plus one for the hyphen. */ #define MAX_TAG_PREFIX_LEN 17 #define dsl_dataset_is_snapshot(ds) \ (dsl_dataset_phys(ds)->ds_num_children != 0) #define DS_UNIQUE_IS_ACCURATE(ds) \ ((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0) /* flags for holding the dataset */ typedef enum ds_hold_flags { DS_HOLD_FLAG_NONE = 0 << 0, DS_HOLD_FLAG_DECRYPT = 1 << 0 /* needs access to encrypted data */ } ds_hold_flags_t; int dsl_dataset_hold(struct dsl_pool *dp, const char *name, void *tag, dsl_dataset_t **dsp); int dsl_dataset_hold_flags(struct dsl_pool *dp, const char *name, ds_hold_flags_t flags, void *tag, dsl_dataset_t **dsp); boolean_t dsl_dataset_try_add_ref(struct dsl_pool *dp, dsl_dataset_t *ds, void *tag); int dsl_dataset_create_key_mapping(dsl_dataset_t *ds); int dsl_dataset_hold_obj(struct dsl_pool *dp, uint64_t dsobj, void *tag, dsl_dataset_t **); int dsl_dataset_hold_obj_flags(struct dsl_pool *dp, uint64_t dsobj, ds_hold_flags_t flags, void *tag, dsl_dataset_t **); void dsl_dataset_remove_key_mapping(dsl_dataset_t *ds); void dsl_dataset_rele(dsl_dataset_t *ds, void *tag); void dsl_dataset_rele_flags(dsl_dataset_t *ds, ds_hold_flags_t flags, void *tag); int dsl_dataset_own(struct dsl_pool *dp, const char *name, ds_hold_flags_t flags, void *tag, dsl_dataset_t **dsp); int dsl_dataset_own_obj(struct dsl_pool *dp, uint64_t dsobj, ds_hold_flags_t flags, void *tag, dsl_dataset_t **dsp); void dsl_dataset_disown(dsl_dataset_t *ds, ds_hold_flags_t flags, void *tag); void dsl_dataset_name(dsl_dataset_t *ds, char *name); boolean_t dsl_dataset_tryown(dsl_dataset_t *ds, void *tag); int dsl_dataset_namelen(dsl_dataset_t *ds); boolean_t dsl_dataset_has_owner(dsl_dataset_t *ds); uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname, dsl_dataset_t *origin, uint64_t flags, cred_t *, struct dsl_crypto_params *, dmu_tx_t *); uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin, struct dsl_crypto_params *dcp, uint64_t flags, dmu_tx_t *tx); void dsl_dataset_snapshot_sync(void *arg, dmu_tx_t *tx); int dsl_dataset_snapshot_check(void *arg, dmu_tx_t *tx); int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors); void dsl_dataset_promote_sync(void *arg, dmu_tx_t *tx); int dsl_dataset_promote_check(void *arg, dmu_tx_t *tx); int dsl_dataset_promote(const char *name, char *conflsnap); int dsl_dataset_clone_swap(dsl_dataset_t *clone, dsl_dataset_t *origin_head, boolean_t force); int dsl_dataset_rename_snapshot(const char *fsname, const char *oldsnapname, const char *newsnapname, boolean_t recursive); int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname, minor_t cleanup_minor, const char *htag); blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds); spa_t *dsl_dataset_get_spa(dsl_dataset_t *ds); boolean_t dsl_dataset_modified_since_snap(dsl_dataset_t *ds, dsl_dataset_t *snap); void dsl_dataset_sync(dsl_dataset_t *os, zio_t *zio, dmu_tx_t *tx); void dsl_dataset_sync_done(dsl_dataset_t *os, dmu_tx_t *tx); void dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx); int dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx, boolean_t async); void dsl_dataset_block_remapped(dsl_dataset_t *ds, uint64_t vdev, uint64_t offset, uint64_t size, uint64_t birth, dmu_tx_t *tx); void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx); int get_clones_stat_impl(dsl_dataset_t *ds, nvlist_t *val); char *get_receive_resume_stats_impl(dsl_dataset_t *ds); char *get_child_receive_stats(dsl_dataset_t *ds); uint64_t dsl_get_refratio(dsl_dataset_t *ds); uint64_t dsl_get_logicalreferenced(dsl_dataset_t *ds); uint64_t dsl_get_compressratio(dsl_dataset_t *ds); uint64_t dsl_get_used(dsl_dataset_t *ds); uint64_t dsl_get_creation(dsl_dataset_t *ds); uint64_t dsl_get_creationtxg(dsl_dataset_t *ds); uint64_t dsl_get_refquota(dsl_dataset_t *ds); uint64_t dsl_get_refreservation(dsl_dataset_t *ds); uint64_t dsl_get_guid(dsl_dataset_t *ds); uint64_t dsl_get_unique(dsl_dataset_t *ds); uint64_t dsl_get_objsetid(dsl_dataset_t *ds); uint64_t dsl_get_userrefs(dsl_dataset_t *ds); uint64_t dsl_get_defer_destroy(dsl_dataset_t *ds); uint64_t dsl_get_referenced(dsl_dataset_t *ds); uint64_t dsl_get_numclones(dsl_dataset_t *ds); uint64_t dsl_get_inconsistent(dsl_dataset_t *ds); uint64_t dsl_get_available(dsl_dataset_t *ds); int dsl_get_written(dsl_dataset_t *ds, uint64_t *written); int dsl_get_prev_snap(dsl_dataset_t *ds, char *snap); int dsl_get_mountpoint(dsl_dataset_t *ds, const char *dsname, char *value, char *source); void get_clones_stat(dsl_dataset_t *ds, nvlist_t *nv); void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv); void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat); void dsl_dataset_space(dsl_dataset_t *ds, uint64_t *refdbytesp, uint64_t *availbytesp, uint64_t *usedobjsp, uint64_t *availobjsp); uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds); int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last, uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds); int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf); int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, uint64_t asize, uint64_t inflight, uint64_t *used, uint64_t *ref_rsrv); int dsl_dataset_set_refquota(const char *dsname, zprop_source_t source, uint64_t quota); int dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source, uint64_t reservation); boolean_t dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier, uint64_t earlier_txg); void dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag); void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag); boolean_t dsl_dataset_long_held(dsl_dataset_t *ds); int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone, dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx); void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone, dsl_dataset_t *origin_head, dmu_tx_t *tx); int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname, dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr); void dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname, dmu_tx_t *tx); void dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj, dmu_tx_t *tx); void dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds); int dsl_dataset_get_snapname(dsl_dataset_t *ds); int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, uint64_t *value); int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx, boolean_t adj_cnt); void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds, zprop_source_t source, uint64_t value, dmu_tx_t *tx); void dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx); boolean_t dsl_dataset_is_zapified(dsl_dataset_t *ds); boolean_t dsl_dataset_has_resume_receive_state(dsl_dataset_t *ds); int dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx); void dsl_dataset_rollback_sync(void *arg, dmu_tx_t *tx); int dsl_dataset_rollback(const char *fsname, const char *tosnap, void *owner, nvlist_t *result); uint64_t dsl_dataset_get_remap_deadlist_object(dsl_dataset_t *ds); void dsl_dataset_create_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx); boolean_t dsl_dataset_remap_deadlist_exists(dsl_dataset_t *ds); void dsl_dataset_destroy_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx); void dsl_dataset_activate_feature(uint64_t dsobj, spa_feature_t f, dmu_tx_t *tx); void dsl_dataset_deactivate_feature(uint64_t dsobj, spa_feature_t f, dmu_tx_t *tx); #ifdef ZFS_DEBUG #define dprintf_ds(ds, fmt, ...) do { \ if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \ dsl_dataset_name(ds, __ds_name); \ dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \ kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \ } \ _NOTE(CONSTCOND) } while (0) #else #define dprintf_ds(dd, fmt, ...) #endif #ifdef __cplusplus } #endif #endif /* _SYS_DSL_DATASET_H */