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. 23*ca0cc391SMatthew 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. 27fa9e4066Sahrens */ 28fa9e4066Sahrens 29fa9e4066Sahrens #ifndef _SYS_DSL_DATASET_H 30fa9e4066Sahrens #define _SYS_DSL_DATASET_H 31fa9e4066Sahrens 32fa9e4066Sahrens #include <sys/dmu.h> 33fa9e4066Sahrens #include <sys/spa.h> 34fa9e4066Sahrens #include <sys/txg.h> 35c717a561Smaybee #include <sys/zio.h> 36fa9e4066Sahrens #include <sys/bplist.h> 371d452cf5Sahrens #include <sys/dsl_synctask.h> 38fa9e4066Sahrens #include <sys/zfs_context.h> 39cde58dbcSMatthew Ahrens #include <sys/dsl_deadlist.h> 403b2aab18SMatthew Ahrens #include <sys/refcount.h> 41*ca0cc391SMatthew Ahrens #include <zfeature_common.h> 42fa9e4066Sahrens 43fa9e4066Sahrens #ifdef __cplusplus 44fa9e4066Sahrens extern "C" { 45fa9e4066Sahrens #endif 46fa9e4066Sahrens 47fa9e4066Sahrens struct dsl_dataset; 48fa9e4066Sahrens struct dsl_dir; 49fa9e4066Sahrens struct dsl_pool; 50fa9e4066Sahrens 5199653d4eSeschrock #define DS_FLAG_INCONSISTENT (1ULL<<0) 52745cd3c5Smaybee #define DS_IS_INCONSISTENT(ds) \ 53c1379625SJustin T. Gibbs (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_INCONSISTENT) 542acef22dSMatthew Ahrens 5599653d4eSeschrock /* 562acef22dSMatthew Ahrens * Do not allow this dataset to be promoted. 5799653d4eSeschrock */ 5899653d4eSeschrock #define DS_FLAG_NOPROMOTE (1ULL<<1) 5999653d4eSeschrock 60a9799022Sck /* 61a9799022Sck * DS_FLAG_UNIQUE_ACCURATE is set if ds_unique_bytes has been correctly 62a9799022Sck * calculated for head datasets (starting with SPA_VERSION_UNIQUE_ACCURATE, 63a9799022Sck * refquota/refreservations). 64a9799022Sck */ 65a9799022Sck #define DS_FLAG_UNIQUE_ACCURATE (1ULL<<2) 66a9799022Sck 67842727c2SChris Kirby /* 68842727c2SChris Kirby * DS_FLAG_DEFER_DESTROY is set after 'zfs destroy -d' has been called 69842727c2SChris Kirby * on a dataset. This allows the dataset to be destroyed using 'zfs release'. 70842727c2SChris Kirby */ 71842727c2SChris Kirby #define DS_FLAG_DEFER_DESTROY (1ULL<<3) 72842727c2SChris Kirby #define DS_IS_DEFER_DESTROY(ds) \ 73c1379625SJustin T. Gibbs (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_DEFER_DESTROY) 74842727c2SChris Kirby 752acef22dSMatthew Ahrens /* 762acef22dSMatthew Ahrens * DS_FIELD_* are strings that are used in the "extensified" dataset zap object. 772acef22dSMatthew Ahrens * They should be of the format <reverse-dns>:<field>. 782acef22dSMatthew Ahrens */ 792acef22dSMatthew Ahrens 8078f17100SMatthew Ahrens /* 8178f17100SMatthew Ahrens * This field's value is the object ID of a zap object which contains the 8278f17100SMatthew Ahrens * bookmarks of this dataset. If it is present, then this dataset is counted 8378f17100SMatthew Ahrens * in the refcount of the SPA_FEATURES_BOOKMARKS feature. 8478f17100SMatthew Ahrens */ 8578f17100SMatthew Ahrens #define DS_FIELD_BOOKMARK_NAMES "com.delphix:bookmarks" 8678f17100SMatthew Ahrens 87b5152584SMatthew Ahrens /* 88b5152584SMatthew Ahrens * This field is present (with value=0) if this dataset may contain large 89b5152584SMatthew Ahrens * blocks (>128KB). If it is present, then this dataset 90b5152584SMatthew Ahrens * is counted in the refcount of the SPA_FEATURE_LARGE_BLOCKS feature. 91b5152584SMatthew Ahrens */ 92b5152584SMatthew Ahrens #define DS_FIELD_LARGE_BLOCKS "org.open-zfs:large_blocks" 93b5152584SMatthew Ahrens 94ab04eb8eStimh /* 95ab04eb8eStimh * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose 96ab04eb8eStimh * name lookups should be performed case-insensitively. 97ab04eb8eStimh */ 98ab04eb8eStimh #define DS_FLAG_CI_DATASET (1ULL<<16) 99ab04eb8eStimh 1003b2aab18SMatthew Ahrens #define DS_CREATE_FLAG_NODIRTY (1ULL<<24) 1013b2aab18SMatthew Ahrens 102fa9e4066Sahrens typedef struct dsl_dataset_phys { 103088f3894Sahrens uint64_t ds_dir_obj; /* DMU_OT_DSL_DIR */ 104088f3894Sahrens uint64_t ds_prev_snap_obj; /* DMU_OT_DSL_DATASET */ 105fa9e4066Sahrens uint64_t ds_prev_snap_txg; 106088f3894Sahrens uint64_t ds_next_snap_obj; /* DMU_OT_DSL_DATASET */ 107088f3894Sahrens uint64_t ds_snapnames_zapobj; /* DMU_OT_DSL_DS_SNAP_MAP 0 for snaps */ 108fa9e4066Sahrens uint64_t ds_num_children; /* clone/snap children; ==0 for head */ 109fa9e4066Sahrens uint64_t ds_creation_time; /* seconds since 1970 */ 110fa9e4066Sahrens uint64_t ds_creation_txg; 111cde58dbcSMatthew Ahrens uint64_t ds_deadlist_obj; /* DMU_OT_DEADLIST */ 112ad135b5dSChristopher Siden /* 113ad135b5dSChristopher Siden * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes 114ad135b5dSChristopher Siden * include all blocks referenced by this dataset, including those 115ad135b5dSChristopher Siden * shared with any other datasets. 116ad135b5dSChristopher Siden */ 117ad135b5dSChristopher Siden uint64_t ds_referenced_bytes; 118fa9e4066Sahrens uint64_t ds_compressed_bytes; 119fa9e4066Sahrens uint64_t ds_uncompressed_bytes; 12063360950Smp uint64_t ds_unique_bytes; /* only relevant to snapshots */ 121fa9e4066Sahrens /* 122fa9e4066Sahrens * The ds_fsid_guid is a 56-bit ID that can change to avoid 123fa9e4066Sahrens * collisions. The ds_guid is a 64-bit ID that will never 124fa9e4066Sahrens * change, so there is a small probability that it will collide. 125fa9e4066Sahrens */ 126fa9e4066Sahrens uint64_t ds_fsid_guid; 127fa9e4066Sahrens uint64_t ds_guid; 128088f3894Sahrens uint64_t ds_flags; /* DS_FLAG_* */ 129fa9e4066Sahrens blkptr_t ds_bp; 130bb0ade09Sahrens uint64_t ds_next_clones_obj; /* DMU_OT_DSL_CLONES */ 131bb0ade09Sahrens uint64_t ds_props_obj; /* DMU_OT_DSL_PROPS for snaps */ 132842727c2SChris Kirby uint64_t ds_userrefs_obj; /* DMU_OT_USERREFS */ 133842727c2SChris Kirby uint64_t ds_pad[5]; /* pad out to 320 bytes for good measure */ 134fa9e4066Sahrens } dsl_dataset_phys_t; 135fa9e4066Sahrens 136fa9e4066Sahrens typedef struct dsl_dataset { 137bc9014e6SJustin Gibbs dmu_buf_user_t ds_dbu; 138bc9014e6SJustin Gibbs 139fa9e4066Sahrens /* Immutable: */ 140fa9e4066Sahrens struct dsl_dir *ds_dir; 141fa9e4066Sahrens dmu_buf_t *ds_dbuf; 142fa9e4066Sahrens uint64_t ds_object; 14391ebeef5Sahrens uint64_t ds_fsid_guid; 144bc9014e6SJustin Gibbs boolean_t ds_is_snapshot; 145fa9e4066Sahrens 14674e7dc98SMatthew Ahrens /* only used in syncing context, only valid for non-snapshots: */ 14774e7dc98SMatthew Ahrens struct dsl_dataset *ds_prev; 14878f17100SMatthew Ahrens uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */ 149fa9e4066Sahrens 150fa9e4066Sahrens /* has internal locking: */ 151cde58dbcSMatthew Ahrens dsl_deadlist_t ds_deadlist; 152cde58dbcSMatthew Ahrens bplist_t ds_pending_deadlist; 153fa9e4066Sahrens 154fa9e4066Sahrens /* protected by lock on pool's dp_dirty_datasets list */ 155fa9e4066Sahrens txg_node_t ds_dirty_link; 156fa9e4066Sahrens list_node_t ds_synced_link; 157fa9e4066Sahrens 158fa9e4066Sahrens /* 159fa9e4066Sahrens * ds_phys->ds_<accounting> is also protected by ds_lock. 160fa9e4066Sahrens * Protected by ds_lock: 161fa9e4066Sahrens */ 162fa9e4066Sahrens kmutex_t ds_lock; 163503ad85cSMatthew Ahrens objset_t *ds_objset; 164842727c2SChris Kirby uint64_t ds_userrefs; 1653b2aab18SMatthew Ahrens void *ds_owner; 166745cd3c5Smaybee 167745cd3c5Smaybee /* 1683b2aab18SMatthew Ahrens * Long holds prevent the ds from being destroyed; they allow the 1693b2aab18SMatthew Ahrens * ds to remain held even after dropping the dp_config_rwlock. 1703b2aab18SMatthew Ahrens * Owning counts as a long hold. See the comments above 1713b2aab18SMatthew Ahrens * dsl_pool_hold() for details. 172745cd3c5Smaybee */ 1733b2aab18SMatthew Ahrens refcount_t ds_longholds; 174fa9e4066Sahrens 1751d452cf5Sahrens /* no locking; only for making guesses */ 1761d452cf5Sahrens uint64_t ds_trysnap_txg; 1771d452cf5Sahrens 17891ebeef5Sahrens /* for objset_open() */ 17991ebeef5Sahrens kmutex_t ds_opening_lock; 18091ebeef5Sahrens 181a9799022Sck uint64_t ds_reserved; /* cached refreservation */ 182a9799022Sck uint64_t ds_quota; /* cached refquota */ 183a9799022Sck 1844e3c9f44SBill Pijewski kmutex_t ds_sendstream_lock; 1854e3c9f44SBill Pijewski list_t ds_sendstreams; 1864e3c9f44SBill Pijewski 187*ca0cc391SMatthew Ahrens /* 188*ca0cc391SMatthew Ahrens * For ZFEATURE_FLAG_PER_DATASET features, set if this dataset 189*ca0cc391SMatthew Ahrens * uses this feature. 190*ca0cc391SMatthew Ahrens */ 191*ca0cc391SMatthew Ahrens uint8_t ds_feature_inuse[SPA_FEATURES]; 192*ca0cc391SMatthew Ahrens 193*ca0cc391SMatthew Ahrens /* 194*ca0cc391SMatthew Ahrens * Set if we need to activate the feature on this dataset this txg 195*ca0cc391SMatthew Ahrens * (used only in syncing context). 196*ca0cc391SMatthew Ahrens */ 197*ca0cc391SMatthew Ahrens uint8_t ds_feature_activation_needed[SPA_FEATURES]; 198*ca0cc391SMatthew Ahrens 199fa9e4066Sahrens /* Protected by ds_lock; keep at end of struct for better locality */ 200fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 201fa9e4066Sahrens } dsl_dataset_t; 202fa9e4066Sahrens 203c1379625SJustin T. Gibbs inline dsl_dataset_phys_t * 204c1379625SJustin T. Gibbs dsl_dataset_phys(dsl_dataset_t *ds) 205c1379625SJustin T. Gibbs { 206c1379625SJustin T. Gibbs return (ds->ds_dbuf->db_data); 207c1379625SJustin T. Gibbs } 208c1379625SJustin T. Gibbs 20999d5e173STim Haley /* 21099d5e173STim Haley * The max length of a temporary tag prefix is the number of hex digits 21199d5e173STim Haley * required to express UINT64_MAX plus one for the hyphen. 21299d5e173STim Haley */ 21399d5e173STim Haley #define MAX_TAG_PREFIX_LEN 17 21499d5e173STim Haley 215643da460SMax Grossman #define dsl_dataset_is_snapshot(ds) \ 216643da460SMax Grossman (dsl_dataset_phys(ds)->ds_num_children != 0) 217643da460SMax Grossman 218a9799022Sck #define DS_UNIQUE_IS_ACCURATE(ds) \ 219c1379625SJustin T. Gibbs ((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0) 220a9799022Sck 2213b2aab18SMatthew Ahrens int dsl_dataset_hold(struct dsl_pool *dp, const char *name, void *tag, 2223b2aab18SMatthew Ahrens dsl_dataset_t **dsp); 223e57a022bSJustin T. Gibbs boolean_t dsl_dataset_try_add_ref(struct dsl_pool *dp, dsl_dataset_t *ds, 224e57a022bSJustin T. Gibbs void *tag); 2253b2aab18SMatthew Ahrens int dsl_dataset_hold_obj(struct dsl_pool *dp, uint64_t dsobj, void *tag, 2263b2aab18SMatthew Ahrens dsl_dataset_t **); 2273b2aab18SMatthew Ahrens void dsl_dataset_rele(dsl_dataset_t *ds, void *tag); 2283b2aab18SMatthew Ahrens int dsl_dataset_own(struct dsl_pool *dp, const char *name, 229503ad85cSMatthew Ahrens void *tag, dsl_dataset_t **dsp); 230745cd3c5Smaybee int dsl_dataset_own_obj(struct dsl_pool *dp, uint64_t dsobj, 2313b2aab18SMatthew Ahrens void *tag, dsl_dataset_t **dsp); 232503ad85cSMatthew Ahrens void dsl_dataset_disown(dsl_dataset_t *ds, void *tag); 2333b2aab18SMatthew Ahrens void dsl_dataset_name(dsl_dataset_t *ds, char *name); 2343b2aab18SMatthew Ahrens boolean_t dsl_dataset_tryown(dsl_dataset_t *ds, void *tag); 235745cd3c5Smaybee uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname, 236745cd3c5Smaybee dsl_dataset_t *origin, uint64_t flags, cred_t *, dmu_tx_t *); 237088f3894Sahrens uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin, 238088f3894Sahrens uint64_t flags, dmu_tx_t *tx); 2393b2aab18SMatthew Ahrens int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors); 240681d9761SEric Taylor int dsl_dataset_promote(const char *name, char *conflsnap); 2413cb34c60Sahrens int dsl_dataset_clone_swap(dsl_dataset_t *clone, dsl_dataset_t *origin_head, 2423cb34c60Sahrens boolean_t force); 2433b2aab18SMatthew Ahrens int dsl_dataset_rename_snapshot(const char *fsname, 2443b2aab18SMatthew Ahrens const char *oldsnapname, const char *newsnapname, boolean_t recursive); 2453b2aab18SMatthew Ahrens int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname, 2463b2aab18SMatthew Ahrens minor_t cleanup_minor, const char *htag); 247fa9e4066Sahrens 248c717a561Smaybee blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds); 249fa9e4066Sahrens void dsl_dataset_set_blkptr(dsl_dataset_t *ds, blkptr_t *bp, dmu_tx_t *tx); 250fa9e4066Sahrens 251fa9e4066Sahrens spa_t *dsl_dataset_get_spa(dsl_dataset_t *ds); 252fa9e4066Sahrens 25334f2f8cfSMatthew Ahrens boolean_t dsl_dataset_modified_since_snap(dsl_dataset_t *ds, 25434f2f8cfSMatthew Ahrens dsl_dataset_t *snap); 255f18faf3fSek 256c717a561Smaybee void dsl_dataset_sync(dsl_dataset_t *os, zio_t *zio, dmu_tx_t *tx); 257fa9e4066Sahrens 258b24ab676SJeff Bonwick void dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, 259c717a561Smaybee dmu_tx_t *tx); 260b24ab676SJeff Bonwick int dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, 261b24ab676SJeff Bonwick dmu_tx_t *tx, boolean_t async); 262c7cd2421SGeorge Wilson boolean_t dsl_dataset_block_freeable(dsl_dataset_t *ds, const blkptr_t *bp, 263c7cd2421SGeorge Wilson uint64_t blk_birth); 264ea8dc4b6Seschrock uint64_t dsl_dataset_prev_snap_txg(dsl_dataset_t *ds); 265fa9e4066Sahrens 266fa9e4066Sahrens void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx); 267a2eea2e1Sahrens void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv); 268a2eea2e1Sahrens void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat); 269a2eea2e1Sahrens void dsl_dataset_space(dsl_dataset_t *ds, 270a2eea2e1Sahrens uint64_t *refdbytesp, uint64_t *availbytesp, 271a2eea2e1Sahrens uint64_t *usedobjsp, uint64_t *availobjsp); 272a2eea2e1Sahrens uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds); 27319b94df9SMatthew Ahrens int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, 27419b94df9SMatthew Ahrens uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 27519b94df9SMatthew Ahrens int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last, 27619b94df9SMatthew Ahrens uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 2772e2c1355SMatthew Ahrens boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds); 278fa9e4066Sahrens 279b1b8ab34Slling int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf); 280b1b8ab34Slling 281a9799022Sck int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, 2829082849eSck uint64_t asize, uint64_t inflight, uint64_t *used, 2839082849eSck uint64_t *ref_rsrv); 2843b2aab18SMatthew Ahrens int dsl_dataset_set_refquota(const char *dsname, zprop_source_t source, 28592241e0bSTom Erickson uint64_t quota); 2863b2aab18SMatthew Ahrens int dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source, 28792241e0bSTom Erickson uint64_t reservation); 288a9799022Sck 28978f17100SMatthew Ahrens boolean_t dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier, 29078f17100SMatthew Ahrens uint64_t earlier_txg); 2913b2aab18SMatthew Ahrens void dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag); 2923b2aab18SMatthew Ahrens void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag); 2933b2aab18SMatthew Ahrens boolean_t dsl_dataset_long_held(dsl_dataset_t *ds); 2943b2aab18SMatthew Ahrens 2953b2aab18SMatthew Ahrens int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone, 29691948b51SKeith M Wesolowski dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx); 2973b2aab18SMatthew Ahrens void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone, 2983b2aab18SMatthew Ahrens dsl_dataset_t *origin_head, dmu_tx_t *tx); 2993b2aab18SMatthew Ahrens int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname, 300a2afb611SJerry Jelinek dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr); 3013b2aab18SMatthew Ahrens void dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname, 3023b2aab18SMatthew Ahrens dmu_tx_t *tx); 3033b2aab18SMatthew Ahrens 3043b2aab18SMatthew Ahrens void dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj, 3053b2aab18SMatthew Ahrens dmu_tx_t *tx); 3063b2aab18SMatthew Ahrens void dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds); 3073b2aab18SMatthew Ahrens int dsl_dataset_get_snapname(dsl_dataset_t *ds); 3083b2aab18SMatthew Ahrens int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, 3093b2aab18SMatthew Ahrens uint64_t *value); 310a2afb611SJerry Jelinek int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx, 311a2afb611SJerry Jelinek boolean_t adj_cnt); 3123b2aab18SMatthew Ahrens void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds, 3133b2aab18SMatthew Ahrens zprop_source_t source, uint64_t value, dmu_tx_t *tx); 31478f17100SMatthew Ahrens void dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx); 315a7027df1SMatthew Ahrens int dsl_dataset_rollback(const char *fsname, void *owner, nvlist_t *result); 316503ad85cSMatthew Ahrens 317*ca0cc391SMatthew Ahrens void dsl_dataset_deactivate_feature(uint64_t dsobj, 318*ca0cc391SMatthew Ahrens spa_feature_t f, dmu_tx_t *tx); 319*ca0cc391SMatthew Ahrens 320fa9e4066Sahrens #ifdef ZFS_DEBUG 321fa9e4066Sahrens #define dprintf_ds(ds, fmt, ...) do { \ 322fa9e4066Sahrens if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ 323fa9e4066Sahrens char *__ds_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); \ 324fa9e4066Sahrens dsl_dataset_name(ds, __ds_name); \ 325fa9e4066Sahrens dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \ 326fa9e4066Sahrens kmem_free(__ds_name, MAXNAMELEN); \ 327fa9e4066Sahrens } \ 328fa9e4066Sahrens _NOTE(CONSTCOND) } while (0) 329fa9e4066Sahrens #else 330fa9e4066Sahrens #define dprintf_ds(dd, fmt, ...) 331fa9e4066Sahrens #endif 332fa9e4066Sahrens 333fa9e4066Sahrens #ifdef __cplusplus 334fa9e4066Sahrens } 335fa9e4066Sahrens #endif 336fa9e4066Sahrens 337fa9e4066Sahrens #endif /* _SYS_DSL_DATASET_H */ 338