1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 223f9d6ad7SLin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23000cce6bSBrad Lewis * Copyright (c) 2011, 2017 by Delphix. All rights reserved. 24a2afb611SJerry Jelinek * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25a7a845e4SSteven Hartland * Copyright (c) 2013 Steven Hartland. All rights reserved. 26bc9014e6SJustin Gibbs * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. 27c3d26abcSMatthew Ahrens * Copyright (c) 2014 Integros [integros.com] 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens #ifndef _SYS_DSL_DATASET_H 31fa9e4066Sahrens #define _SYS_DSL_DATASET_H 32fa9e4066Sahrens 33fa9e4066Sahrens #include <sys/dmu.h> 34fa9e4066Sahrens #include <sys/spa.h> 35fa9e4066Sahrens #include <sys/txg.h> 36c717a561Smaybee #include <sys/zio.h> 37fa9e4066Sahrens #include <sys/bplist.h> 381d452cf5Sahrens #include <sys/dsl_synctask.h> 39fa9e4066Sahrens #include <sys/zfs_context.h> 40cde58dbcSMatthew Ahrens #include <sys/dsl_deadlist.h> 413b2aab18SMatthew Ahrens #include <sys/refcount.h> 42c166b69dSPaul Dagnelie #include <sys/rrwlock.h> 43ca0cc391SMatthew Ahrens #include <zfeature_common.h> 44fa9e4066Sahrens 45fa9e4066Sahrens #ifdef __cplusplus 46fa9e4066Sahrens extern "C" { 47fa9e4066Sahrens #endif 48fa9e4066Sahrens 49fa9e4066Sahrens struct dsl_dataset; 50fa9e4066Sahrens struct dsl_dir; 51fa9e4066Sahrens struct dsl_pool; 52fa9e4066Sahrens 5399653d4eSeschrock #define DS_FLAG_INCONSISTENT (1ULL<<0) 54745cd3c5Smaybee #define DS_IS_INCONSISTENT(ds) \ 55c1379625SJustin T. Gibbs (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_INCONSISTENT) 562acef22dSMatthew Ahrens 5799653d4eSeschrock /* 582acef22dSMatthew Ahrens * Do not allow this dataset to be promoted. 5999653d4eSeschrock */ 6099653d4eSeschrock #define DS_FLAG_NOPROMOTE (1ULL<<1) 6199653d4eSeschrock 62a9799022Sck /* 63a9799022Sck * DS_FLAG_UNIQUE_ACCURATE is set if ds_unique_bytes has been correctly 64a9799022Sck * calculated for head datasets (starting with SPA_VERSION_UNIQUE_ACCURATE, 65a9799022Sck * refquota/refreservations). 66a9799022Sck */ 67a9799022Sck #define DS_FLAG_UNIQUE_ACCURATE (1ULL<<2) 68a9799022Sck 69842727c2SChris Kirby /* 70842727c2SChris Kirby * DS_FLAG_DEFER_DESTROY is set after 'zfs destroy -d' has been called 71842727c2SChris Kirby * on a dataset. This allows the dataset to be destroyed using 'zfs release'. 72842727c2SChris Kirby */ 73842727c2SChris Kirby #define DS_FLAG_DEFER_DESTROY (1ULL<<3) 74842727c2SChris Kirby #define DS_IS_DEFER_DESTROY(ds) \ 75c1379625SJustin T. Gibbs (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_DEFER_DESTROY) 76842727c2SChris Kirby 772acef22dSMatthew Ahrens /* 782acef22dSMatthew Ahrens * DS_FIELD_* are strings that are used in the "extensified" dataset zap object. 792acef22dSMatthew Ahrens * They should be of the format <reverse-dns>:<field>. 802acef22dSMatthew Ahrens */ 812acef22dSMatthew Ahrens 8278f17100SMatthew Ahrens /* 8378f17100SMatthew Ahrens * This field's value is the object ID of a zap object which contains the 8478f17100SMatthew Ahrens * bookmarks of this dataset. If it is present, then this dataset is counted 8578f17100SMatthew Ahrens * in the refcount of the SPA_FEATURES_BOOKMARKS feature. 8678f17100SMatthew Ahrens */ 8778f17100SMatthew Ahrens #define DS_FIELD_BOOKMARK_NAMES "com.delphix:bookmarks" 8878f17100SMatthew Ahrens 8954811da5SToomas Soome /* 9054811da5SToomas Soome * This field is present (with value=0) if this dataset may contain large 9154811da5SToomas Soome * dnodes (>512B). If it is present, then this dataset is counted in the 9254811da5SToomas Soome * refcount of the SPA_FEATURE_LARGE_DNODE feature. 9354811da5SToomas Soome */ 9454811da5SToomas Soome #define DS_FIELD_LARGE_DNODE "org.zfsonlinux:large_dnode" 9554811da5SToomas Soome 969c3fd121SMatthew Ahrens /* 979c3fd121SMatthew Ahrens * These fields are set on datasets that are in the middle of a resumable 989c3fd121SMatthew Ahrens * receive, and allow the sender to resume the send if it is interrupted. 999c3fd121SMatthew Ahrens */ 1009c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_FROMGUID "com.delphix:resume_fromguid" 1019c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_TONAME "com.delphix:resume_toname" 1029c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_TOGUID "com.delphix:resume_toguid" 1039c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_OBJECT "com.delphix:resume_object" 1049c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_OFFSET "com.delphix:resume_offset" 1059c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_BYTES "com.delphix:resume_bytes" 1065602294fSDan Kimmel #define DS_FIELD_RESUME_LARGEBLOCK "com.delphix:resume_largeblockok" 1079c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_EMBEDOK "com.delphix:resume_embedok" 1085602294fSDan Kimmel #define DS_FIELD_RESUME_COMPRESSOK "com.delphix:resume_compressok" 1099c3fd121SMatthew Ahrens 1105cabbc6bSPrashanth Sreenivasa /* 1115cabbc6bSPrashanth Sreenivasa * This field is set to the object number of the remap deadlist if one exists. 1125cabbc6bSPrashanth Sreenivasa */ 1135cabbc6bSPrashanth Sreenivasa #define DS_FIELD_REMAP_DEADLIST "com.delphix:remap_deadlist" 1145cabbc6bSPrashanth Sreenivasa 115ab04eb8eStimh /* 116ab04eb8eStimh * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose 117ab04eb8eStimh * name lookups should be performed case-insensitively. 118ab04eb8eStimh */ 119ab04eb8eStimh #define DS_FLAG_CI_DATASET (1ULL<<16) 120ab04eb8eStimh 1213b2aab18SMatthew Ahrens #define DS_CREATE_FLAG_NODIRTY (1ULL<<24) 1223b2aab18SMatthew Ahrens 123fa9e4066Sahrens typedef struct dsl_dataset_phys { 124088f3894Sahrens uint64_t ds_dir_obj; /* DMU_OT_DSL_DIR */ 125088f3894Sahrens uint64_t ds_prev_snap_obj; /* DMU_OT_DSL_DATASET */ 126fa9e4066Sahrens uint64_t ds_prev_snap_txg; 127088f3894Sahrens uint64_t ds_next_snap_obj; /* DMU_OT_DSL_DATASET */ 128088f3894Sahrens uint64_t ds_snapnames_zapobj; /* DMU_OT_DSL_DS_SNAP_MAP 0 for snaps */ 129fa9e4066Sahrens uint64_t ds_num_children; /* clone/snap children; ==0 for head */ 130fa9e4066Sahrens uint64_t ds_creation_time; /* seconds since 1970 */ 131fa9e4066Sahrens uint64_t ds_creation_txg; 132cde58dbcSMatthew Ahrens uint64_t ds_deadlist_obj; /* DMU_OT_DEADLIST */ 133ad135b5dSChristopher Siden /* 134ad135b5dSChristopher Siden * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes 135ad135b5dSChristopher Siden * include all blocks referenced by this dataset, including those 136ad135b5dSChristopher Siden * shared with any other datasets. 137ad135b5dSChristopher Siden */ 138ad135b5dSChristopher Siden uint64_t ds_referenced_bytes; 139fa9e4066Sahrens uint64_t ds_compressed_bytes; 140fa9e4066Sahrens uint64_t ds_uncompressed_bytes; 14163360950Smp uint64_t ds_unique_bytes; /* only relevant to snapshots */ 142fa9e4066Sahrens /* 143fa9e4066Sahrens * The ds_fsid_guid is a 56-bit ID that can change to avoid 144fa9e4066Sahrens * collisions. The ds_guid is a 64-bit ID that will never 145fa9e4066Sahrens * change, so there is a small probability that it will collide. 146fa9e4066Sahrens */ 147fa9e4066Sahrens uint64_t ds_fsid_guid; 148fa9e4066Sahrens uint64_t ds_guid; 149088f3894Sahrens uint64_t ds_flags; /* DS_FLAG_* */ 150fa9e4066Sahrens blkptr_t ds_bp; 151bb0ade09Sahrens uint64_t ds_next_clones_obj; /* DMU_OT_DSL_CLONES */ 152bb0ade09Sahrens uint64_t ds_props_obj; /* DMU_OT_DSL_PROPS for snaps */ 153842727c2SChris Kirby uint64_t ds_userrefs_obj; /* DMU_OT_USERREFS */ 154842727c2SChris Kirby uint64_t ds_pad[5]; /* pad out to 320 bytes for good measure */ 155fa9e4066Sahrens } dsl_dataset_phys_t; 156fa9e4066Sahrens 157fa9e4066Sahrens typedef struct dsl_dataset { 158bc9014e6SJustin Gibbs dmu_buf_user_t ds_dbu; 159c166b69dSPaul Dagnelie rrwlock_t ds_bp_rwlock; /* Protects ds_phys->ds_bp */ 160bc9014e6SJustin Gibbs 161fa9e4066Sahrens /* Immutable: */ 162fa9e4066Sahrens struct dsl_dir *ds_dir; 163fa9e4066Sahrens dmu_buf_t *ds_dbuf; 164fa9e4066Sahrens uint64_t ds_object; 16591ebeef5Sahrens uint64_t ds_fsid_guid; 166bc9014e6SJustin Gibbs boolean_t ds_is_snapshot; 167fa9e4066Sahrens 16874e7dc98SMatthew Ahrens /* only used in syncing context, only valid for non-snapshots: */ 16974e7dc98SMatthew Ahrens struct dsl_dataset *ds_prev; 17078f17100SMatthew Ahrens uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */ 171fa9e4066Sahrens 172fa9e4066Sahrens /* has internal locking: */ 173cde58dbcSMatthew Ahrens dsl_deadlist_t ds_deadlist; 174cde58dbcSMatthew Ahrens bplist_t ds_pending_deadlist; 175fa9e4066Sahrens 1765cabbc6bSPrashanth Sreenivasa /* 1775cabbc6bSPrashanth Sreenivasa * The remap deadlist contains blocks (DVA's, really) that are 1785cabbc6bSPrashanth Sreenivasa * referenced by the previous snapshot and point to indirect vdevs, 1795cabbc6bSPrashanth Sreenivasa * but in this dataset they have been remapped to point to concrete 1805cabbc6bSPrashanth Sreenivasa * (or at least, less-indirect) vdevs. In other words, the 1815cabbc6bSPrashanth Sreenivasa * physical DVA is referenced by the previous snapshot but not by 1825cabbc6bSPrashanth Sreenivasa * this dataset. Logically, the DVA continues to be referenced, 1835cabbc6bSPrashanth Sreenivasa * but we are using a different (less indirect) physical DVA. 1845cabbc6bSPrashanth Sreenivasa * This deadlist is used to determine when physical DVAs that 1855cabbc6bSPrashanth Sreenivasa * point to indirect vdevs are no longer referenced anywhere, 1865cabbc6bSPrashanth Sreenivasa * and thus should be marked obsolete. 1875cabbc6bSPrashanth Sreenivasa * 1885cabbc6bSPrashanth Sreenivasa * This is only used if SPA_FEATURE_OBSOLETE_COUNTS is enabled. 1895cabbc6bSPrashanth Sreenivasa */ 1905cabbc6bSPrashanth Sreenivasa dsl_deadlist_t ds_remap_deadlist; 1915cabbc6bSPrashanth Sreenivasa /* protects creation of the ds_remap_deadlist */ 1925cabbc6bSPrashanth Sreenivasa kmutex_t ds_remap_deadlist_lock; 1935cabbc6bSPrashanth Sreenivasa 194fa9e4066Sahrens /* protected by lock on pool's dp_dirty_datasets list */ 195fa9e4066Sahrens txg_node_t ds_dirty_link; 196fa9e4066Sahrens list_node_t ds_synced_link; 197fa9e4066Sahrens 198fa9e4066Sahrens /* 199fa9e4066Sahrens * ds_phys->ds_<accounting> is also protected by ds_lock. 200fa9e4066Sahrens * Protected by ds_lock: 201fa9e4066Sahrens */ 202fa9e4066Sahrens kmutex_t ds_lock; 203503ad85cSMatthew Ahrens objset_t *ds_objset; 204842727c2SChris Kirby uint64_t ds_userrefs; 2053b2aab18SMatthew Ahrens void *ds_owner; 206745cd3c5Smaybee 207745cd3c5Smaybee /* 2083b2aab18SMatthew Ahrens * Long holds prevent the ds from being destroyed; they allow the 2093b2aab18SMatthew Ahrens * ds to remain held even after dropping the dp_config_rwlock. 2103b2aab18SMatthew Ahrens * Owning counts as a long hold. See the comments above 2113b2aab18SMatthew Ahrens * dsl_pool_hold() for details. 212745cd3c5Smaybee */ 213*e914ace2STim Schumacher zfs_refcount_t ds_longholds; 214fa9e4066Sahrens 2151d452cf5Sahrens /* no locking; only for making guesses */ 2161d452cf5Sahrens uint64_t ds_trysnap_txg; 2171d452cf5Sahrens 21891ebeef5Sahrens /* for objset_open() */ 21991ebeef5Sahrens kmutex_t ds_opening_lock; 22091ebeef5Sahrens 221a9799022Sck uint64_t ds_reserved; /* cached refreservation */ 222a9799022Sck uint64_t ds_quota; /* cached refquota */ 223a9799022Sck 2244e3c9f44SBill Pijewski kmutex_t ds_sendstream_lock; 2254e3c9f44SBill Pijewski list_t ds_sendstreams; 2264e3c9f44SBill Pijewski 2279c3fd121SMatthew Ahrens /* 2289c3fd121SMatthew Ahrens * When in the middle of a resumable receive, tracks how much 2299c3fd121SMatthew Ahrens * progress we have made. 2309c3fd121SMatthew Ahrens */ 2319c3fd121SMatthew Ahrens uint64_t ds_resume_object[TXG_SIZE]; 2329c3fd121SMatthew Ahrens uint64_t ds_resume_offset[TXG_SIZE]; 2339c3fd121SMatthew Ahrens uint64_t ds_resume_bytes[TXG_SIZE]; 2349c3fd121SMatthew Ahrens 23503bad06fSJustin Gibbs /* Protected by our dsl_dir's dd_lock */ 23603bad06fSJustin Gibbs list_t ds_prop_cbs; 23703bad06fSJustin Gibbs 238ca0cc391SMatthew Ahrens /* 239ca0cc391SMatthew Ahrens * For ZFEATURE_FLAG_PER_DATASET features, set if this dataset 240ca0cc391SMatthew Ahrens * uses this feature. 241ca0cc391SMatthew Ahrens */ 242ca0cc391SMatthew Ahrens uint8_t ds_feature_inuse[SPA_FEATURES]; 243ca0cc391SMatthew Ahrens 244ca0cc391SMatthew Ahrens /* 245ca0cc391SMatthew Ahrens * Set if we need to activate the feature on this dataset this txg 246ca0cc391SMatthew Ahrens * (used only in syncing context). 247ca0cc391SMatthew Ahrens */ 248ca0cc391SMatthew Ahrens uint8_t ds_feature_activation_needed[SPA_FEATURES]; 249ca0cc391SMatthew Ahrens 250fa9e4066Sahrens /* Protected by ds_lock; keep at end of struct for better locality */ 2519adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 252fa9e4066Sahrens } dsl_dataset_t; 253fa9e4066Sahrens 254c1379625SJustin T. Gibbs inline dsl_dataset_phys_t * 255c1379625SJustin T. Gibbs dsl_dataset_phys(dsl_dataset_t *ds) 256c1379625SJustin T. Gibbs { 257c1379625SJustin T. Gibbs return (ds->ds_dbuf->db_data); 258c1379625SJustin T. Gibbs } 259c1379625SJustin T. Gibbs 260dfc11533SChris Williamson typedef struct dsl_dataset_promote_arg { 261dfc11533SChris Williamson const char *ddpa_clonename; 262dfc11533SChris Williamson dsl_dataset_t *ddpa_clone; 263dfc11533SChris Williamson list_t shared_snaps, origin_snaps, clone_snaps; 264dfc11533SChris Williamson dsl_dataset_t *origin_origin; /* origin of the origin */ 265dfc11533SChris Williamson uint64_t used, comp, uncomp, unique, cloneusedsnap, originusedsnap; 266dfc11533SChris Williamson nvlist_t *err_ds; 267dfc11533SChris Williamson cred_t *cr; 268dfc11533SChris Williamson } dsl_dataset_promote_arg_t; 269dfc11533SChris Williamson 270000cce6bSBrad Lewis typedef struct dsl_dataset_rollback_arg { 271000cce6bSBrad Lewis const char *ddra_fsname; 272000cce6bSBrad Lewis const char *ddra_tosnap; 273000cce6bSBrad Lewis void *ddra_owner; 274000cce6bSBrad Lewis nvlist_t *ddra_result; 275000cce6bSBrad Lewis } dsl_dataset_rollback_arg_t; 276000cce6bSBrad Lewis 2772840dce1SChris Williamson typedef struct dsl_dataset_snapshot_arg { 2782840dce1SChris Williamson nvlist_t *ddsa_snaps; 2792840dce1SChris Williamson nvlist_t *ddsa_props; 2802840dce1SChris Williamson nvlist_t *ddsa_errors; 2812840dce1SChris Williamson cred_t *ddsa_cr; 2822840dce1SChris Williamson } dsl_dataset_snapshot_arg_t; 2832840dce1SChris Williamson 28499d5e173STim Haley /* 28599d5e173STim Haley * The max length of a temporary tag prefix is the number of hex digits 28699d5e173STim Haley * required to express UINT64_MAX plus one for the hyphen. 28799d5e173STim Haley */ 28899d5e173STim Haley #define MAX_TAG_PREFIX_LEN 17 28999d5e173STim Haley 290643da460SMax Grossman #define dsl_dataset_is_snapshot(ds) \ 291643da460SMax Grossman (dsl_dataset_phys(ds)->ds_num_children != 0) 292643da460SMax Grossman 293a9799022Sck #define DS_UNIQUE_IS_ACCURATE(ds) \ 294c1379625SJustin T. Gibbs ((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0) 295a9799022Sck 2963b2aab18SMatthew Ahrens int dsl_dataset_hold(struct dsl_pool *dp, const char *name, void *tag, 2973b2aab18SMatthew Ahrens dsl_dataset_t **dsp); 298e57a022bSJustin T. Gibbs boolean_t dsl_dataset_try_add_ref(struct dsl_pool *dp, dsl_dataset_t *ds, 299e57a022bSJustin T. Gibbs void *tag); 3003b2aab18SMatthew Ahrens int dsl_dataset_hold_obj(struct dsl_pool *dp, uint64_t dsobj, void *tag, 3013b2aab18SMatthew Ahrens dsl_dataset_t **); 3023b2aab18SMatthew Ahrens void dsl_dataset_rele(dsl_dataset_t *ds, void *tag); 3033b2aab18SMatthew Ahrens int dsl_dataset_own(struct dsl_pool *dp, const char *name, 304503ad85cSMatthew Ahrens void *tag, dsl_dataset_t **dsp); 305745cd3c5Smaybee int dsl_dataset_own_obj(struct dsl_pool *dp, uint64_t dsobj, 3063b2aab18SMatthew Ahrens void *tag, dsl_dataset_t **dsp); 307503ad85cSMatthew Ahrens void dsl_dataset_disown(dsl_dataset_t *ds, void *tag); 3083b2aab18SMatthew Ahrens void dsl_dataset_name(dsl_dataset_t *ds, char *name); 3093b2aab18SMatthew Ahrens boolean_t dsl_dataset_tryown(dsl_dataset_t *ds, void *tag); 3109adfa60dSMatthew Ahrens int dsl_dataset_namelen(dsl_dataset_t *ds); 3119c3fd121SMatthew Ahrens boolean_t dsl_dataset_has_owner(dsl_dataset_t *ds); 312745cd3c5Smaybee uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname, 313745cd3c5Smaybee dsl_dataset_t *origin, uint64_t flags, cred_t *, dmu_tx_t *); 314088f3894Sahrens uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin, 315088f3894Sahrens uint64_t flags, dmu_tx_t *tx); 3162840dce1SChris Williamson void dsl_dataset_snapshot_sync(void *arg, dmu_tx_t *tx); 3172840dce1SChris Williamson int dsl_dataset_snapshot_check(void *arg, dmu_tx_t *tx); 3183b2aab18SMatthew Ahrens int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors); 319dfc11533SChris Williamson void dsl_dataset_promote_sync(void *arg, dmu_tx_t *tx); 320dfc11533SChris Williamson int dsl_dataset_promote_check(void *arg, dmu_tx_t *tx); 321681d9761SEric Taylor int dsl_dataset_promote(const char *name, char *conflsnap); 3223cb34c60Sahrens int dsl_dataset_clone_swap(dsl_dataset_t *clone, dsl_dataset_t *origin_head, 3233cb34c60Sahrens boolean_t force); 3243b2aab18SMatthew Ahrens int dsl_dataset_rename_snapshot(const char *fsname, 3253b2aab18SMatthew Ahrens const char *oldsnapname, const char *newsnapname, boolean_t recursive); 3263b2aab18SMatthew Ahrens int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname, 3273b2aab18SMatthew Ahrens minor_t cleanup_minor, const char *htag); 328fa9e4066Sahrens 329c717a561Smaybee blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds); 330fa9e4066Sahrens 331fa9e4066Sahrens spa_t *dsl_dataset_get_spa(dsl_dataset_t *ds); 332fa9e4066Sahrens 33334f2f8cfSMatthew Ahrens boolean_t dsl_dataset_modified_since_snap(dsl_dataset_t *ds, 33434f2f8cfSMatthew Ahrens dsl_dataset_t *snap); 335f18faf3fSek 336c717a561Smaybee void dsl_dataset_sync(dsl_dataset_t *os, zio_t *zio, dmu_tx_t *tx); 337bfaed0b9SAndriy Gapon void dsl_dataset_sync_done(dsl_dataset_t *os, dmu_tx_t *tx); 338fa9e4066Sahrens 339b24ab676SJeff Bonwick void dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, 340c717a561Smaybee dmu_tx_t *tx); 341b24ab676SJeff Bonwick int dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, 342b24ab676SJeff Bonwick dmu_tx_t *tx, boolean_t async); 3435cabbc6bSPrashanth Sreenivasa void dsl_dataset_block_remapped(dsl_dataset_t *ds, uint64_t vdev, 3445cabbc6bSPrashanth Sreenivasa uint64_t offset, uint64_t size, uint64_t birth, dmu_tx_t *tx); 345fa9e4066Sahrens 346fa9e4066Sahrens void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx); 347dfc11533SChris Williamson 348dfc11533SChris Williamson int get_clones_stat_impl(dsl_dataset_t *ds, nvlist_t *val); 349dfc11533SChris Williamson char *get_receive_resume_stats_impl(dsl_dataset_t *ds); 350dfc11533SChris Williamson char *get_child_receive_stats(dsl_dataset_t *ds); 351dfc11533SChris Williamson uint64_t dsl_get_refratio(dsl_dataset_t *ds); 352dfc11533SChris Williamson uint64_t dsl_get_logicalreferenced(dsl_dataset_t *ds); 353dfc11533SChris Williamson uint64_t dsl_get_compressratio(dsl_dataset_t *ds); 354dfc11533SChris Williamson uint64_t dsl_get_used(dsl_dataset_t *ds); 355dfc11533SChris Williamson uint64_t dsl_get_creation(dsl_dataset_t *ds); 356dfc11533SChris Williamson uint64_t dsl_get_creationtxg(dsl_dataset_t *ds); 357dfc11533SChris Williamson uint64_t dsl_get_refquota(dsl_dataset_t *ds); 358dfc11533SChris Williamson uint64_t dsl_get_refreservation(dsl_dataset_t *ds); 359dfc11533SChris Williamson uint64_t dsl_get_guid(dsl_dataset_t *ds); 360dfc11533SChris Williamson uint64_t dsl_get_unique(dsl_dataset_t *ds); 361dfc11533SChris Williamson uint64_t dsl_get_objsetid(dsl_dataset_t *ds); 362dfc11533SChris Williamson uint64_t dsl_get_userrefs(dsl_dataset_t *ds); 363dfc11533SChris Williamson uint64_t dsl_get_defer_destroy(dsl_dataset_t *ds); 364dfc11533SChris Williamson uint64_t dsl_get_referenced(dsl_dataset_t *ds); 365dfc11533SChris Williamson uint64_t dsl_get_numclones(dsl_dataset_t *ds); 366dfc11533SChris Williamson uint64_t dsl_get_inconsistent(dsl_dataset_t *ds); 367dfc11533SChris Williamson uint64_t dsl_get_available(dsl_dataset_t *ds); 368dfc11533SChris Williamson int dsl_get_written(dsl_dataset_t *ds, uint64_t *written); 369dfc11533SChris Williamson int dsl_get_prev_snap(dsl_dataset_t *ds, char *snap); 370dfc11533SChris Williamson int dsl_get_mountpoint(dsl_dataset_t *ds, const char *dsname, char *value, 371dfc11533SChris Williamson char *source); 372dfc11533SChris Williamson 373dfc11533SChris Williamson void get_clones_stat(dsl_dataset_t *ds, nvlist_t *nv); 374dfc11533SChris Williamson 375a2eea2e1Sahrens void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv); 376dfc11533SChris Williamson 377a2eea2e1Sahrens void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat); 378a2eea2e1Sahrens void dsl_dataset_space(dsl_dataset_t *ds, 379a2eea2e1Sahrens uint64_t *refdbytesp, uint64_t *availbytesp, 380a2eea2e1Sahrens uint64_t *usedobjsp, uint64_t *availobjsp); 381a2eea2e1Sahrens uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds); 38219b94df9SMatthew Ahrens int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, 38319b94df9SMatthew Ahrens uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 38419b94df9SMatthew Ahrens int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last, 38519b94df9SMatthew Ahrens uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 3862e2c1355SMatthew Ahrens boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds); 387fa9e4066Sahrens 388b1b8ab34Slling int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf); 389b1b8ab34Slling 390a9799022Sck int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, 3919082849eSck uint64_t asize, uint64_t inflight, uint64_t *used, 3929082849eSck uint64_t *ref_rsrv); 3933b2aab18SMatthew Ahrens int dsl_dataset_set_refquota(const char *dsname, zprop_source_t source, 39492241e0bSTom Erickson uint64_t quota); 3953b2aab18SMatthew Ahrens int dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source, 39692241e0bSTom Erickson uint64_t reservation); 397a9799022Sck 39878f17100SMatthew Ahrens boolean_t dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier, 39978f17100SMatthew Ahrens uint64_t earlier_txg); 4003b2aab18SMatthew Ahrens void dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag); 4013b2aab18SMatthew Ahrens void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag); 4023b2aab18SMatthew Ahrens boolean_t dsl_dataset_long_held(dsl_dataset_t *ds); 4033b2aab18SMatthew Ahrens 4043b2aab18SMatthew Ahrens int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone, 40591948b51SKeith M Wesolowski dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx); 4063b2aab18SMatthew Ahrens void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone, 4073b2aab18SMatthew Ahrens dsl_dataset_t *origin_head, dmu_tx_t *tx); 4083b2aab18SMatthew Ahrens int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname, 409a2afb611SJerry Jelinek dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr); 4103b2aab18SMatthew Ahrens void dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname, 4113b2aab18SMatthew Ahrens dmu_tx_t *tx); 4123b2aab18SMatthew Ahrens 4133b2aab18SMatthew Ahrens void dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj, 4143b2aab18SMatthew Ahrens dmu_tx_t *tx); 4153b2aab18SMatthew Ahrens void dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds); 4163b2aab18SMatthew Ahrens int dsl_dataset_get_snapname(dsl_dataset_t *ds); 4173b2aab18SMatthew Ahrens int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, 4183b2aab18SMatthew Ahrens uint64_t *value); 419a2afb611SJerry Jelinek int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx, 420a2afb611SJerry Jelinek boolean_t adj_cnt); 4213b2aab18SMatthew Ahrens void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds, 4223b2aab18SMatthew Ahrens zprop_source_t source, uint64_t value, dmu_tx_t *tx); 42378f17100SMatthew Ahrens void dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx); 4249c3fd121SMatthew Ahrens boolean_t dsl_dataset_is_zapified(dsl_dataset_t *ds); 4259c3fd121SMatthew Ahrens boolean_t dsl_dataset_has_resume_receive_state(dsl_dataset_t *ds); 426000cce6bSBrad Lewis 427000cce6bSBrad Lewis int dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx); 428000cce6bSBrad Lewis void dsl_dataset_rollback_sync(void *arg, dmu_tx_t *tx); 42977b17137SAndriy Gapon int dsl_dataset_rollback(const char *fsname, const char *tosnap, void *owner, 43077b17137SAndriy Gapon nvlist_t *result); 431503ad85cSMatthew Ahrens 4325cabbc6bSPrashanth Sreenivasa uint64_t dsl_dataset_get_remap_deadlist_object(dsl_dataset_t *ds); 4335cabbc6bSPrashanth Sreenivasa void dsl_dataset_create_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx); 4345cabbc6bSPrashanth Sreenivasa boolean_t dsl_dataset_remap_deadlist_exists(dsl_dataset_t *ds); 4355cabbc6bSPrashanth Sreenivasa void dsl_dataset_destroy_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx); 4365cabbc6bSPrashanth Sreenivasa 437ca0cc391SMatthew Ahrens void dsl_dataset_deactivate_feature(uint64_t dsobj, 438ca0cc391SMatthew Ahrens spa_feature_t f, dmu_tx_t *tx); 439ca0cc391SMatthew Ahrens 440fa9e4066Sahrens #ifdef ZFS_DEBUG 441fa9e4066Sahrens #define dprintf_ds(ds, fmt, ...) do { \ 442fa9e4066Sahrens if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ 4439adfa60dSMatthew Ahrens char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \ 444fa9e4066Sahrens dsl_dataset_name(ds, __ds_name); \ 445fa9e4066Sahrens dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \ 4469adfa60dSMatthew Ahrens kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \ 447fa9e4066Sahrens } \ 448fa9e4066Sahrens _NOTE(CONSTCOND) } while (0) 449fa9e4066Sahrens #else 450fa9e4066Sahrens #define dprintf_ds(dd, fmt, ...) 451fa9e4066Sahrens #endif 452fa9e4066Sahrens 453fa9e4066Sahrens #ifdef __cplusplus 454fa9e4066Sahrens } 455fa9e4066Sahrens #endif 456fa9e4066Sahrens 457fa9e4066Sahrens #endif /* _SYS_DSL_DATASET_H */ 458