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. 23ca0cc391SMatthew Ahrens * Copyright (c) 2011, 2015 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> 42*c166b69dSPaul 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 899c3fd121SMatthew Ahrens /* 909c3fd121SMatthew Ahrens * These fields are set on datasets that are in the middle of a resumable 919c3fd121SMatthew Ahrens * receive, and allow the sender to resume the send if it is interrupted. 929c3fd121SMatthew Ahrens */ 939c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_FROMGUID "com.delphix:resume_fromguid" 949c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_TONAME "com.delphix:resume_toname" 959c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_TOGUID "com.delphix:resume_toguid" 969c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_OBJECT "com.delphix:resume_object" 979c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_OFFSET "com.delphix:resume_offset" 989c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_BYTES "com.delphix:resume_bytes" 999c3fd121SMatthew Ahrens #define DS_FIELD_RESUME_EMBEDOK "com.delphix:resume_embedok" 1009c3fd121SMatthew Ahrens 101ab04eb8eStimh /* 102ab04eb8eStimh * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose 103ab04eb8eStimh * name lookups should be performed case-insensitively. 104ab04eb8eStimh */ 105ab04eb8eStimh #define DS_FLAG_CI_DATASET (1ULL<<16) 106ab04eb8eStimh 1073b2aab18SMatthew Ahrens #define DS_CREATE_FLAG_NODIRTY (1ULL<<24) 1083b2aab18SMatthew Ahrens 109fa9e4066Sahrens typedef struct dsl_dataset_phys { 110088f3894Sahrens uint64_t ds_dir_obj; /* DMU_OT_DSL_DIR */ 111088f3894Sahrens uint64_t ds_prev_snap_obj; /* DMU_OT_DSL_DATASET */ 112fa9e4066Sahrens uint64_t ds_prev_snap_txg; 113088f3894Sahrens uint64_t ds_next_snap_obj; /* DMU_OT_DSL_DATASET */ 114088f3894Sahrens uint64_t ds_snapnames_zapobj; /* DMU_OT_DSL_DS_SNAP_MAP 0 for snaps */ 115fa9e4066Sahrens uint64_t ds_num_children; /* clone/snap children; ==0 for head */ 116fa9e4066Sahrens uint64_t ds_creation_time; /* seconds since 1970 */ 117fa9e4066Sahrens uint64_t ds_creation_txg; 118cde58dbcSMatthew Ahrens uint64_t ds_deadlist_obj; /* DMU_OT_DEADLIST */ 119ad135b5dSChristopher Siden /* 120ad135b5dSChristopher Siden * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes 121ad135b5dSChristopher Siden * include all blocks referenced by this dataset, including those 122ad135b5dSChristopher Siden * shared with any other datasets. 123ad135b5dSChristopher Siden */ 124ad135b5dSChristopher Siden uint64_t ds_referenced_bytes; 125fa9e4066Sahrens uint64_t ds_compressed_bytes; 126fa9e4066Sahrens uint64_t ds_uncompressed_bytes; 12763360950Smp uint64_t ds_unique_bytes; /* only relevant to snapshots */ 128fa9e4066Sahrens /* 129fa9e4066Sahrens * The ds_fsid_guid is a 56-bit ID that can change to avoid 130fa9e4066Sahrens * collisions. The ds_guid is a 64-bit ID that will never 131fa9e4066Sahrens * change, so there is a small probability that it will collide. 132fa9e4066Sahrens */ 133fa9e4066Sahrens uint64_t ds_fsid_guid; 134fa9e4066Sahrens uint64_t ds_guid; 135088f3894Sahrens uint64_t ds_flags; /* DS_FLAG_* */ 136fa9e4066Sahrens blkptr_t ds_bp; 137bb0ade09Sahrens uint64_t ds_next_clones_obj; /* DMU_OT_DSL_CLONES */ 138bb0ade09Sahrens uint64_t ds_props_obj; /* DMU_OT_DSL_PROPS for snaps */ 139842727c2SChris Kirby uint64_t ds_userrefs_obj; /* DMU_OT_USERREFS */ 140842727c2SChris Kirby uint64_t ds_pad[5]; /* pad out to 320 bytes for good measure */ 141fa9e4066Sahrens } dsl_dataset_phys_t; 142fa9e4066Sahrens 143fa9e4066Sahrens typedef struct dsl_dataset { 144bc9014e6SJustin Gibbs dmu_buf_user_t ds_dbu; 145*c166b69dSPaul Dagnelie rrwlock_t ds_bp_rwlock; /* Protects ds_phys->ds_bp */ 146bc9014e6SJustin Gibbs 147fa9e4066Sahrens /* Immutable: */ 148fa9e4066Sahrens struct dsl_dir *ds_dir; 149fa9e4066Sahrens dmu_buf_t *ds_dbuf; 150fa9e4066Sahrens uint64_t ds_object; 15191ebeef5Sahrens uint64_t ds_fsid_guid; 152bc9014e6SJustin Gibbs boolean_t ds_is_snapshot; 153fa9e4066Sahrens 15474e7dc98SMatthew Ahrens /* only used in syncing context, only valid for non-snapshots: */ 15574e7dc98SMatthew Ahrens struct dsl_dataset *ds_prev; 15678f17100SMatthew Ahrens uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */ 157fa9e4066Sahrens 158fa9e4066Sahrens /* has internal locking: */ 159cde58dbcSMatthew Ahrens dsl_deadlist_t ds_deadlist; 160cde58dbcSMatthew Ahrens bplist_t ds_pending_deadlist; 161fa9e4066Sahrens 162fa9e4066Sahrens /* protected by lock on pool's dp_dirty_datasets list */ 163fa9e4066Sahrens txg_node_t ds_dirty_link; 164fa9e4066Sahrens list_node_t ds_synced_link; 165fa9e4066Sahrens 166fa9e4066Sahrens /* 167fa9e4066Sahrens * ds_phys->ds_<accounting> is also protected by ds_lock. 168fa9e4066Sahrens * Protected by ds_lock: 169fa9e4066Sahrens */ 170fa9e4066Sahrens kmutex_t ds_lock; 171503ad85cSMatthew Ahrens objset_t *ds_objset; 172842727c2SChris Kirby uint64_t ds_userrefs; 1733b2aab18SMatthew Ahrens void *ds_owner; 174745cd3c5Smaybee 175745cd3c5Smaybee /* 1763b2aab18SMatthew Ahrens * Long holds prevent the ds from being destroyed; they allow the 1773b2aab18SMatthew Ahrens * ds to remain held even after dropping the dp_config_rwlock. 1783b2aab18SMatthew Ahrens * Owning counts as a long hold. See the comments above 1793b2aab18SMatthew Ahrens * dsl_pool_hold() for details. 180745cd3c5Smaybee */ 1813b2aab18SMatthew Ahrens refcount_t ds_longholds; 182fa9e4066Sahrens 1831d452cf5Sahrens /* no locking; only for making guesses */ 1841d452cf5Sahrens uint64_t ds_trysnap_txg; 1851d452cf5Sahrens 18691ebeef5Sahrens /* for objset_open() */ 18791ebeef5Sahrens kmutex_t ds_opening_lock; 18891ebeef5Sahrens 189a9799022Sck uint64_t ds_reserved; /* cached refreservation */ 190a9799022Sck uint64_t ds_quota; /* cached refquota */ 191a9799022Sck 1924e3c9f44SBill Pijewski kmutex_t ds_sendstream_lock; 1934e3c9f44SBill Pijewski list_t ds_sendstreams; 1944e3c9f44SBill Pijewski 1959c3fd121SMatthew Ahrens /* 1969c3fd121SMatthew Ahrens * When in the middle of a resumable receive, tracks how much 1979c3fd121SMatthew Ahrens * progress we have made. 1989c3fd121SMatthew Ahrens */ 1999c3fd121SMatthew Ahrens uint64_t ds_resume_object[TXG_SIZE]; 2009c3fd121SMatthew Ahrens uint64_t ds_resume_offset[TXG_SIZE]; 2019c3fd121SMatthew Ahrens uint64_t ds_resume_bytes[TXG_SIZE]; 2029c3fd121SMatthew Ahrens 20303bad06fSJustin Gibbs /* Protected by our dsl_dir's dd_lock */ 20403bad06fSJustin Gibbs list_t ds_prop_cbs; 20503bad06fSJustin Gibbs 206ca0cc391SMatthew Ahrens /* 207ca0cc391SMatthew Ahrens * For ZFEATURE_FLAG_PER_DATASET features, set if this dataset 208ca0cc391SMatthew Ahrens * uses this feature. 209ca0cc391SMatthew Ahrens */ 210ca0cc391SMatthew Ahrens uint8_t ds_feature_inuse[SPA_FEATURES]; 211ca0cc391SMatthew Ahrens 212ca0cc391SMatthew Ahrens /* 213ca0cc391SMatthew Ahrens * Set if we need to activate the feature on this dataset this txg 214ca0cc391SMatthew Ahrens * (used only in syncing context). 215ca0cc391SMatthew Ahrens */ 216ca0cc391SMatthew Ahrens uint8_t ds_feature_activation_needed[SPA_FEATURES]; 217ca0cc391SMatthew Ahrens 218fa9e4066Sahrens /* Protected by ds_lock; keep at end of struct for better locality */ 2199adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 220fa9e4066Sahrens } dsl_dataset_t; 221fa9e4066Sahrens 222c1379625SJustin T. Gibbs inline dsl_dataset_phys_t * 223c1379625SJustin T. Gibbs dsl_dataset_phys(dsl_dataset_t *ds) 224c1379625SJustin T. Gibbs { 225c1379625SJustin T. Gibbs return (ds->ds_dbuf->db_data); 226c1379625SJustin T. Gibbs } 227c1379625SJustin T. Gibbs 22899d5e173STim Haley /* 22999d5e173STim Haley * The max length of a temporary tag prefix is the number of hex digits 23099d5e173STim Haley * required to express UINT64_MAX plus one for the hyphen. 23199d5e173STim Haley */ 23299d5e173STim Haley #define MAX_TAG_PREFIX_LEN 17 23399d5e173STim Haley 234643da460SMax Grossman #define dsl_dataset_is_snapshot(ds) \ 235643da460SMax Grossman (dsl_dataset_phys(ds)->ds_num_children != 0) 236643da460SMax Grossman 237a9799022Sck #define DS_UNIQUE_IS_ACCURATE(ds) \ 238c1379625SJustin T. Gibbs ((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0) 239a9799022Sck 2403b2aab18SMatthew Ahrens int dsl_dataset_hold(struct dsl_pool *dp, const char *name, void *tag, 2413b2aab18SMatthew Ahrens dsl_dataset_t **dsp); 242e57a022bSJustin T. Gibbs boolean_t dsl_dataset_try_add_ref(struct dsl_pool *dp, dsl_dataset_t *ds, 243e57a022bSJustin T. Gibbs void *tag); 2443b2aab18SMatthew Ahrens int dsl_dataset_hold_obj(struct dsl_pool *dp, uint64_t dsobj, void *tag, 2453b2aab18SMatthew Ahrens dsl_dataset_t **); 2463b2aab18SMatthew Ahrens void dsl_dataset_rele(dsl_dataset_t *ds, void *tag); 2473b2aab18SMatthew Ahrens int dsl_dataset_own(struct dsl_pool *dp, const char *name, 248503ad85cSMatthew Ahrens void *tag, dsl_dataset_t **dsp); 249745cd3c5Smaybee int dsl_dataset_own_obj(struct dsl_pool *dp, uint64_t dsobj, 2503b2aab18SMatthew Ahrens void *tag, dsl_dataset_t **dsp); 251503ad85cSMatthew Ahrens void dsl_dataset_disown(dsl_dataset_t *ds, void *tag); 2523b2aab18SMatthew Ahrens void dsl_dataset_name(dsl_dataset_t *ds, char *name); 2533b2aab18SMatthew Ahrens boolean_t dsl_dataset_tryown(dsl_dataset_t *ds, void *tag); 2549adfa60dSMatthew Ahrens int dsl_dataset_namelen(dsl_dataset_t *ds); 2559c3fd121SMatthew Ahrens boolean_t dsl_dataset_has_owner(dsl_dataset_t *ds); 256745cd3c5Smaybee uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname, 257745cd3c5Smaybee dsl_dataset_t *origin, uint64_t flags, cred_t *, dmu_tx_t *); 258088f3894Sahrens uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin, 259088f3894Sahrens uint64_t flags, dmu_tx_t *tx); 2603b2aab18SMatthew Ahrens int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors); 261681d9761SEric Taylor int dsl_dataset_promote(const char *name, char *conflsnap); 2623cb34c60Sahrens int dsl_dataset_clone_swap(dsl_dataset_t *clone, dsl_dataset_t *origin_head, 2633cb34c60Sahrens boolean_t force); 2643b2aab18SMatthew Ahrens int dsl_dataset_rename_snapshot(const char *fsname, 2653b2aab18SMatthew Ahrens const char *oldsnapname, const char *newsnapname, boolean_t recursive); 2663b2aab18SMatthew Ahrens int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname, 2673b2aab18SMatthew Ahrens minor_t cleanup_minor, const char *htag); 268fa9e4066Sahrens 269c717a561Smaybee blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds); 270fa9e4066Sahrens 271fa9e4066Sahrens spa_t *dsl_dataset_get_spa(dsl_dataset_t *ds); 272fa9e4066Sahrens 27334f2f8cfSMatthew Ahrens boolean_t dsl_dataset_modified_since_snap(dsl_dataset_t *ds, 27434f2f8cfSMatthew Ahrens dsl_dataset_t *snap); 275f18faf3fSek 276c717a561Smaybee void dsl_dataset_sync(dsl_dataset_t *os, zio_t *zio, dmu_tx_t *tx); 277fa9e4066Sahrens 278b24ab676SJeff Bonwick void dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, 279c717a561Smaybee dmu_tx_t *tx); 280b24ab676SJeff Bonwick int dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, 281b24ab676SJeff Bonwick dmu_tx_t *tx, boolean_t async); 282c7cd2421SGeorge Wilson boolean_t dsl_dataset_block_freeable(dsl_dataset_t *ds, const blkptr_t *bp, 283c7cd2421SGeorge Wilson uint64_t blk_birth); 284ea8dc4b6Seschrock uint64_t dsl_dataset_prev_snap_txg(dsl_dataset_t *ds); 285fa9e4066Sahrens 286fa9e4066Sahrens void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx); 287a2eea2e1Sahrens void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv); 288a2eea2e1Sahrens void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat); 289a2eea2e1Sahrens void dsl_dataset_space(dsl_dataset_t *ds, 290a2eea2e1Sahrens uint64_t *refdbytesp, uint64_t *availbytesp, 291a2eea2e1Sahrens uint64_t *usedobjsp, uint64_t *availobjsp); 292a2eea2e1Sahrens uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds); 29319b94df9SMatthew Ahrens int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, 29419b94df9SMatthew Ahrens uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 29519b94df9SMatthew Ahrens int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last, 29619b94df9SMatthew Ahrens uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 2972e2c1355SMatthew Ahrens boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds); 298fa9e4066Sahrens 299b1b8ab34Slling int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf); 300b1b8ab34Slling 301a9799022Sck int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, 3029082849eSck uint64_t asize, uint64_t inflight, uint64_t *used, 3039082849eSck uint64_t *ref_rsrv); 3043b2aab18SMatthew Ahrens int dsl_dataset_set_refquota(const char *dsname, zprop_source_t source, 30592241e0bSTom Erickson uint64_t quota); 3063b2aab18SMatthew Ahrens int dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source, 30792241e0bSTom Erickson uint64_t reservation); 308a9799022Sck 30978f17100SMatthew Ahrens boolean_t dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier, 31078f17100SMatthew Ahrens uint64_t earlier_txg); 3113b2aab18SMatthew Ahrens void dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag); 3123b2aab18SMatthew Ahrens void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag); 3133b2aab18SMatthew Ahrens boolean_t dsl_dataset_long_held(dsl_dataset_t *ds); 3143b2aab18SMatthew Ahrens 3153b2aab18SMatthew Ahrens int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone, 31691948b51SKeith M Wesolowski dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx); 3173b2aab18SMatthew Ahrens void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone, 3183b2aab18SMatthew Ahrens dsl_dataset_t *origin_head, dmu_tx_t *tx); 3193b2aab18SMatthew Ahrens int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname, 320a2afb611SJerry Jelinek dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr); 3213b2aab18SMatthew Ahrens void dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname, 3223b2aab18SMatthew Ahrens dmu_tx_t *tx); 3233b2aab18SMatthew Ahrens 3243b2aab18SMatthew Ahrens void dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj, 3253b2aab18SMatthew Ahrens dmu_tx_t *tx); 3263b2aab18SMatthew Ahrens void dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds); 3273b2aab18SMatthew Ahrens int dsl_dataset_get_snapname(dsl_dataset_t *ds); 3283b2aab18SMatthew Ahrens int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, 3293b2aab18SMatthew Ahrens uint64_t *value); 330a2afb611SJerry Jelinek int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx, 331a2afb611SJerry Jelinek boolean_t adj_cnt); 3323b2aab18SMatthew Ahrens void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds, 3333b2aab18SMatthew Ahrens zprop_source_t source, uint64_t value, dmu_tx_t *tx); 33478f17100SMatthew Ahrens void dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx); 3359c3fd121SMatthew Ahrens boolean_t dsl_dataset_is_zapified(dsl_dataset_t *ds); 3369c3fd121SMatthew Ahrens boolean_t dsl_dataset_has_resume_receive_state(dsl_dataset_t *ds); 337a7027df1SMatthew Ahrens int dsl_dataset_rollback(const char *fsname, void *owner, nvlist_t *result); 338503ad85cSMatthew Ahrens 339ca0cc391SMatthew Ahrens void dsl_dataset_deactivate_feature(uint64_t dsobj, 340ca0cc391SMatthew Ahrens spa_feature_t f, dmu_tx_t *tx); 341ca0cc391SMatthew Ahrens 342fa9e4066Sahrens #ifdef ZFS_DEBUG 343fa9e4066Sahrens #define dprintf_ds(ds, fmt, ...) do { \ 344fa9e4066Sahrens if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ 3459adfa60dSMatthew Ahrens char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \ 346fa9e4066Sahrens dsl_dataset_name(ds, __ds_name); \ 347fa9e4066Sahrens dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \ 3489adfa60dSMatthew Ahrens kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \ 349fa9e4066Sahrens } \ 350fa9e4066Sahrens _NOTE(CONSTCOND) } while (0) 351fa9e4066Sahrens #else 352fa9e4066Sahrens #define dprintf_ds(dd, fmt, ...) 353fa9e4066Sahrens #endif 354fa9e4066Sahrens 355fa9e4066Sahrens #ifdef __cplusplus 356fa9e4066Sahrens } 357fa9e4066Sahrens #endif 358fa9e4066Sahrens 359fa9e4066Sahrens #endif /* _SYS_DSL_DATASET_H */ 360