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. 237d46dc6cSMatthew Ahrens * Copyright (c) 2012, 2014 by Delphix. All rights reserved. 24013023d4SMartin Matuska * Copyright (c) 2013 Martin Matuska. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 2792241e0bSTom Erickson #include <sys/zfs_context.h> 28fa9e4066Sahrens #include <sys/dmu.h> 297f7322feSeschrock #include <sys/dmu_objset.h> 30fa9e4066Sahrens #include <sys/dmu_tx.h> 31fa9e4066Sahrens #include <sys/dsl_dataset.h> 32fa9e4066Sahrens #include <sys/dsl_dir.h> 33fa9e4066Sahrens #include <sys/dsl_prop.h> 341d452cf5Sahrens #include <sys/dsl_synctask.h> 35fa9e4066Sahrens #include <sys/spa.h> 36fa9e4066Sahrens #include <sys/zap.h> 37fa9e4066Sahrens #include <sys/fs/zfs.h> 38fa9e4066Sahrens 39fa9e4066Sahrens #include "zfs_prop.h" 40fa9e4066Sahrens 4192241e0bSTom Erickson #define ZPROP_INHERIT_SUFFIX "$inherit" 4292241e0bSTom Erickson #define ZPROP_RECVD_SUFFIX "$recvd" 4392241e0bSTom Erickson 44fa9e4066Sahrens static int 4592241e0bSTom Erickson dodefault(const char *propname, int intsz, int numints, void *buf) 46fa9e4066Sahrens { 47fa9e4066Sahrens zfs_prop_t prop; 48fa9e4066Sahrens 49da6c28aaSamw /* 50da6c28aaSamw * The setonce properties are read-only, BUT they still 51da6c28aaSamw * have a default value that can be used as the initial 52da6c28aaSamw * value. 53da6c28aaSamw */ 54990b4856Slling if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL || 55da6c28aaSamw (zfs_prop_readonly(prop) && !zfs_prop_setonce(prop))) 56be6fd75aSMatthew Ahrens return (SET_ERROR(ENOENT)); 57fa9e4066Sahrens 5891ebeef5Sahrens if (zfs_prop_get_type(prop) == PROP_TYPE_STRING) { 59fa9e4066Sahrens if (intsz != 1) 60be6fd75aSMatthew Ahrens return (SET_ERROR(EOVERFLOW)); 61990b4856Slling (void) strncpy(buf, zfs_prop_default_string(prop), 6292241e0bSTom Erickson numints); 63fa9e4066Sahrens } else { 6492241e0bSTom Erickson if (intsz != 8 || numints < 1) 65be6fd75aSMatthew Ahrens return (SET_ERROR(EOVERFLOW)); 66fa9e4066Sahrens 67fa9e4066Sahrens *(uint64_t *)buf = zfs_prop_default_numeric(prop); 68fa9e4066Sahrens } 69fa9e4066Sahrens 70fa9e4066Sahrens return (0); 71fa9e4066Sahrens } 72fa9e4066Sahrens 73bb0ade09Sahrens int 74bb0ade09Sahrens dsl_prop_get_dd(dsl_dir_t *dd, const char *propname, 7592241e0bSTom Erickson int intsz, int numints, void *buf, char *setpoint, boolean_t snapshot) 76fa9e4066Sahrens { 7799653d4eSeschrock int err = ENOENT; 7892241e0bSTom Erickson dsl_dir_t *target = dd; 79bb0ade09Sahrens objset_t *mos = dd->dd_pool->dp_meta_objset; 80e9dbad6fSeschrock zfs_prop_t prop; 8192241e0bSTom Erickson boolean_t inheritable; 8292241e0bSTom Erickson boolean_t inheriting = B_FALSE; 8392241e0bSTom Erickson char *inheritstr; 8492241e0bSTom Erickson char *recvdstr; 85fa9e4066Sahrens 863b2aab18SMatthew Ahrens ASSERT(dsl_pool_config_held(dd->dd_pool)); 87bb0ade09Sahrens 88fa9e4066Sahrens if (setpoint) 89fa9e4066Sahrens setpoint[0] = '\0'; 90fa9e4066Sahrens 91e9dbad6fSeschrock prop = zfs_name_to_prop(propname); 9292241e0bSTom Erickson inheritable = (prop == ZPROP_INVAL || zfs_prop_inheritable(prop)); 9392241e0bSTom Erickson inheritstr = kmem_asprintf("%s%s", propname, ZPROP_INHERIT_SUFFIX); 9492241e0bSTom Erickson recvdstr = kmem_asprintf("%s%s", propname, ZPROP_RECVD_SUFFIX); 95e9dbad6fSeschrock 9699653d4eSeschrock /* 9792241e0bSTom Erickson * Note: dd may become NULL, therefore we shouldn't dereference it 9892241e0bSTom Erickson * after this loop. 9999653d4eSeschrock */ 10099653d4eSeschrock for (; dd != NULL; dd = dd->dd_parent) { 10192241e0bSTom Erickson if (dd != target || snapshot) { 10292241e0bSTom Erickson if (!inheritable) 10392241e0bSTom Erickson break; 10492241e0bSTom Erickson inheriting = B_TRUE; 10592241e0bSTom Erickson } 10692241e0bSTom Erickson 10792241e0bSTom Erickson /* Check for a local value. */ 108c1379625SJustin T. Gibbs err = zap_lookup(mos, dsl_dir_phys(dd)->dd_props_zapobj, 109c1379625SJustin T. Gibbs propname, intsz, numints, buf); 110fa9e4066Sahrens if (err != ENOENT) { 11192241e0bSTom Erickson if (setpoint != NULL && err == 0) 112fa9e4066Sahrens dsl_dir_name(dd, setpoint); 113fa9e4066Sahrens break; 114fa9e4066Sahrens } 115e9dbad6fSeschrock 116e9dbad6fSeschrock /* 11792241e0bSTom Erickson * Skip the check for a received value if there is an explicit 11892241e0bSTom Erickson * inheritance entry. 119e9dbad6fSeschrock */ 120c1379625SJustin T. Gibbs err = zap_contains(mos, dsl_dir_phys(dd)->dd_props_zapobj, 12192241e0bSTom Erickson inheritstr); 12292241e0bSTom Erickson if (err != 0 && err != ENOENT) 123e9dbad6fSeschrock break; 12492241e0bSTom Erickson 12592241e0bSTom Erickson if (err == ENOENT) { 12692241e0bSTom Erickson /* Check for a received value. */ 127c1379625SJustin T. Gibbs err = zap_lookup(mos, dsl_dir_phys(dd)->dd_props_zapobj, 12892241e0bSTom Erickson recvdstr, intsz, numints, buf); 12992241e0bSTom Erickson if (err != ENOENT) { 13092241e0bSTom Erickson if (setpoint != NULL && err == 0) { 13192241e0bSTom Erickson if (inheriting) { 13292241e0bSTom Erickson dsl_dir_name(dd, setpoint); 13392241e0bSTom Erickson } else { 13492241e0bSTom Erickson (void) strcpy(setpoint, 13592241e0bSTom Erickson ZPROP_SOURCE_VAL_RECVD); 13692241e0bSTom Erickson } 13792241e0bSTom Erickson } 13892241e0bSTom Erickson break; 13992241e0bSTom Erickson } 14092241e0bSTom Erickson } 14192241e0bSTom Erickson 14292241e0bSTom Erickson /* 14392241e0bSTom Erickson * If we found an explicit inheritance entry, err is zero even 14492241e0bSTom Erickson * though we haven't yet found the value, so reinitializing err 14592241e0bSTom Erickson * at the end of the loop (instead of at the beginning) ensures 14692241e0bSTom Erickson * that err has a valid post-loop value. 14792241e0bSTom Erickson */ 148be6fd75aSMatthew Ahrens err = SET_ERROR(ENOENT); 149fa9e4066Sahrens } 15092241e0bSTom Erickson 151fa9e4066Sahrens if (err == ENOENT) 15292241e0bSTom Erickson err = dodefault(propname, intsz, numints, buf); 15392241e0bSTom Erickson 15492241e0bSTom Erickson strfree(inheritstr); 15592241e0bSTom Erickson strfree(recvdstr); 156fa9e4066Sahrens 157fa9e4066Sahrens return (err); 158fa9e4066Sahrens } 159fa9e4066Sahrens 160bb0ade09Sahrens int 161bb0ade09Sahrens dsl_prop_get_ds(dsl_dataset_t *ds, const char *propname, 16292241e0bSTom Erickson int intsz, int numints, void *buf, char *setpoint) 163bb0ade09Sahrens { 16492241e0bSTom Erickson zfs_prop_t prop = zfs_name_to_prop(propname); 16592241e0bSTom Erickson boolean_t inheritable; 16692241e0bSTom Erickson uint64_t zapobj; 16792241e0bSTom Erickson 1683b2aab18SMatthew Ahrens ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool)); 16992241e0bSTom Erickson inheritable = (prop == ZPROP_INVAL || zfs_prop_inheritable(prop)); 170c1379625SJustin T. Gibbs zapobj = dsl_dataset_phys(ds)->ds_props_obj; 17192241e0bSTom Erickson 17292241e0bSTom Erickson if (zapobj != 0) { 17392241e0bSTom Erickson objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; 17492241e0bSTom Erickson int err; 175bb0ade09Sahrens 176bc9014e6SJustin Gibbs ASSERT(ds->ds_is_snapshot); 17792241e0bSTom Erickson 17892241e0bSTom Erickson /* Check for a local value. */ 17992241e0bSTom Erickson err = zap_lookup(mos, zapobj, propname, intsz, numints, buf); 180bb0ade09Sahrens if (err != ENOENT) { 18192241e0bSTom Erickson if (setpoint != NULL && err == 0) 182bb0ade09Sahrens dsl_dataset_name(ds, setpoint); 183bb0ade09Sahrens return (err); 184bb0ade09Sahrens } 18592241e0bSTom Erickson 18692241e0bSTom Erickson /* 18792241e0bSTom Erickson * Skip the check for a received value if there is an explicit 18892241e0bSTom Erickson * inheritance entry. 18992241e0bSTom Erickson */ 19092241e0bSTom Erickson if (inheritable) { 19192241e0bSTom Erickson char *inheritstr = kmem_asprintf("%s%s", propname, 19292241e0bSTom Erickson ZPROP_INHERIT_SUFFIX); 19392241e0bSTom Erickson err = zap_contains(mos, zapobj, inheritstr); 19492241e0bSTom Erickson strfree(inheritstr); 19592241e0bSTom Erickson if (err != 0 && err != ENOENT) 19692241e0bSTom Erickson return (err); 19792241e0bSTom Erickson } 19892241e0bSTom Erickson 19992241e0bSTom Erickson if (err == ENOENT) { 20092241e0bSTom Erickson /* Check for a received value. */ 20192241e0bSTom Erickson char *recvdstr = kmem_asprintf("%s%s", propname, 20292241e0bSTom Erickson ZPROP_RECVD_SUFFIX); 20392241e0bSTom Erickson err = zap_lookup(mos, zapobj, recvdstr, 20492241e0bSTom Erickson intsz, numints, buf); 20592241e0bSTom Erickson strfree(recvdstr); 20692241e0bSTom Erickson if (err != ENOENT) { 20792241e0bSTom Erickson if (setpoint != NULL && err == 0) 20892241e0bSTom Erickson (void) strcpy(setpoint, 20992241e0bSTom Erickson ZPROP_SOURCE_VAL_RECVD); 21092241e0bSTom Erickson return (err); 21192241e0bSTom Erickson } 21292241e0bSTom Erickson } 213bb0ade09Sahrens } 214bb0ade09Sahrens 215bb0ade09Sahrens return (dsl_prop_get_dd(ds->ds_dir, propname, 216bc9014e6SJustin Gibbs intsz, numints, buf, setpoint, ds->ds_is_snapshot)); 217bb0ade09Sahrens } 218bb0ade09Sahrens 219fa9e4066Sahrens /* 220fa9e4066Sahrens * Register interest in the named property. We'll call the callback 221fa9e4066Sahrens * once to notify it of the current property value, and again each time 222fa9e4066Sahrens * the property changes, until this callback is unregistered. 223fa9e4066Sahrens * 224fa9e4066Sahrens * Return 0 on success, errno if the prop is not an integer value. 225fa9e4066Sahrens */ 226fa9e4066Sahrens int 227fa9e4066Sahrens dsl_prop_register(dsl_dataset_t *ds, const char *propname, 228fa9e4066Sahrens dsl_prop_changed_cb_t *callback, void *cbarg) 229fa9e4066Sahrens { 23099653d4eSeschrock dsl_dir_t *dd = ds->ds_dir; 231bb0ade09Sahrens dsl_pool_t *dp = dd->dd_pool; 232fa9e4066Sahrens uint64_t value; 233fa9e4066Sahrens dsl_prop_cb_record_t *cbr; 234fa9e4066Sahrens int err; 235fa9e4066Sahrens 2363b2aab18SMatthew Ahrens ASSERT(dsl_pool_config_held(dp)); 237fa9e4066Sahrens 2383b2aab18SMatthew Ahrens err = dsl_prop_get_int_ds(ds, propname, &value); 2393b2aab18SMatthew Ahrens if (err != 0) 240fa9e4066Sahrens return (err); 241fa9e4066Sahrens 242fa9e4066Sahrens cbr = kmem_alloc(sizeof (dsl_prop_cb_record_t), KM_SLEEP); 24399653d4eSeschrock cbr->cbr_ds = ds; 244fa9e4066Sahrens cbr->cbr_propname = kmem_alloc(strlen(propname)+1, KM_SLEEP); 245fa9e4066Sahrens (void) strcpy((char *)cbr->cbr_propname, propname); 246fa9e4066Sahrens cbr->cbr_func = callback; 247fa9e4066Sahrens cbr->cbr_arg = cbarg; 248fa9e4066Sahrens mutex_enter(&dd->dd_lock); 249fa9e4066Sahrens list_insert_head(&dd->dd_prop_cbs, cbr); 250fa9e4066Sahrens mutex_exit(&dd->dd_lock); 251fa9e4066Sahrens 252fa9e4066Sahrens cbr->cbr_func(cbr->cbr_arg, value); 253fa9e4066Sahrens return (0); 254fa9e4066Sahrens } 255fa9e4066Sahrens 256fa9e4066Sahrens int 257bb0ade09Sahrens dsl_prop_get(const char *dsname, const char *propname, 258fa9e4066Sahrens int intsz, int numints, void *buf, char *setpoint) 259fa9e4066Sahrens { 2603b2aab18SMatthew Ahrens objset_t *os; 2613b2aab18SMatthew Ahrens int error; 262fa9e4066Sahrens 2633b2aab18SMatthew Ahrens error = dmu_objset_hold(dsname, FTAG, &os); 2643b2aab18SMatthew Ahrens if (error != 0) 2653b2aab18SMatthew Ahrens return (error); 266fa9e4066Sahrens 2673b2aab18SMatthew Ahrens error = dsl_prop_get_ds(dmu_objset_ds(os), propname, 2683b2aab18SMatthew Ahrens intsz, numints, buf, setpoint); 269fa9e4066Sahrens 2703b2aab18SMatthew Ahrens dmu_objset_rele(os, FTAG); 2713b2aab18SMatthew Ahrens return (error); 272fa9e4066Sahrens } 273fa9e4066Sahrens 274fa9e4066Sahrens /* 275fa9e4066Sahrens * Get the current property value. It may have changed by the time this 276fa9e4066Sahrens * function returns, so it is NOT safe to follow up with 277fa9e4066Sahrens * dsl_prop_register() and assume that the value has not changed in 278fa9e4066Sahrens * between. 279fa9e4066Sahrens * 280fa9e4066Sahrens * Return 0 on success, ENOENT if ddname is invalid. 281fa9e4066Sahrens */ 282fa9e4066Sahrens int 283fa9e4066Sahrens dsl_prop_get_integer(const char *ddname, const char *propname, 284fa9e4066Sahrens uint64_t *valuep, char *setpoint) 285fa9e4066Sahrens { 286fa9e4066Sahrens return (dsl_prop_get(ddname, propname, 8, 1, valuep, setpoint)); 287fa9e4066Sahrens } 288fa9e4066Sahrens 2893b2aab18SMatthew Ahrens int 2903b2aab18SMatthew Ahrens dsl_prop_get_int_ds(dsl_dataset_t *ds, const char *propname, 2913b2aab18SMatthew Ahrens uint64_t *valuep) 29292241e0bSTom Erickson { 2933b2aab18SMatthew Ahrens return (dsl_prop_get_ds(ds, propname, 8, 1, valuep, NULL)); 29492241e0bSTom Erickson } 29592241e0bSTom Erickson 29692241e0bSTom Erickson /* 29792241e0bSTom Erickson * Predict the effective value of the given special property if it were set with 29892241e0bSTom Erickson * the given value and source. This is not a general purpose function. It exists 29992241e0bSTom Erickson * only to handle the special requirements of the quota and reservation 30092241e0bSTom Erickson * properties. The fact that these properties are non-inheritable greatly 30192241e0bSTom Erickson * simplifies the prediction logic. 30292241e0bSTom Erickson * 30392241e0bSTom Erickson * Returns 0 on success, a positive error code on failure, or -1 if called with 30492241e0bSTom Erickson * a property not handled by this function. 30592241e0bSTom Erickson */ 30692241e0bSTom Erickson int 3073b2aab18SMatthew Ahrens dsl_prop_predict(dsl_dir_t *dd, const char *propname, 3083b2aab18SMatthew Ahrens zprop_source_t source, uint64_t value, uint64_t *newvalp) 30992241e0bSTom Erickson { 31092241e0bSTom Erickson zfs_prop_t prop = zfs_name_to_prop(propname); 31192241e0bSTom Erickson objset_t *mos; 31292241e0bSTom Erickson uint64_t zapobj; 31392241e0bSTom Erickson uint64_t version; 31492241e0bSTom Erickson char *recvdstr; 31592241e0bSTom Erickson int err = 0; 31692241e0bSTom Erickson 31792241e0bSTom Erickson switch (prop) { 31892241e0bSTom Erickson case ZFS_PROP_QUOTA: 31992241e0bSTom Erickson case ZFS_PROP_RESERVATION: 32092241e0bSTom Erickson case ZFS_PROP_REFQUOTA: 32192241e0bSTom Erickson case ZFS_PROP_REFRESERVATION: 32292241e0bSTom Erickson break; 32392241e0bSTom Erickson default: 32492241e0bSTom Erickson return (-1); 32592241e0bSTom Erickson } 32692241e0bSTom Erickson 32792241e0bSTom Erickson mos = dd->dd_pool->dp_meta_objset; 328c1379625SJustin T. Gibbs zapobj = dsl_dir_phys(dd)->dd_props_zapobj; 32992241e0bSTom Erickson recvdstr = kmem_asprintf("%s%s", propname, ZPROP_RECVD_SUFFIX); 33092241e0bSTom Erickson 33192241e0bSTom Erickson version = spa_version(dd->dd_pool->dp_spa); 33292241e0bSTom Erickson if (version < SPA_VERSION_RECVD_PROPS) { 33392241e0bSTom Erickson if (source & ZPROP_SRC_NONE) 33492241e0bSTom Erickson source = ZPROP_SRC_NONE; 33592241e0bSTom Erickson else if (source & ZPROP_SRC_RECEIVED) 33692241e0bSTom Erickson source = ZPROP_SRC_LOCAL; 33792241e0bSTom Erickson } 33892241e0bSTom Erickson 33992241e0bSTom Erickson switch (source) { 34092241e0bSTom Erickson case ZPROP_SRC_NONE: 34192241e0bSTom Erickson /* Revert to the received value, if any. */ 3423b2aab18SMatthew Ahrens err = zap_lookup(mos, zapobj, recvdstr, 8, 1, newvalp); 34392241e0bSTom Erickson if (err == ENOENT) 3443b2aab18SMatthew Ahrens *newvalp = 0; 34592241e0bSTom Erickson break; 34692241e0bSTom Erickson case ZPROP_SRC_LOCAL: 3473b2aab18SMatthew Ahrens *newvalp = value; 34892241e0bSTom Erickson break; 34992241e0bSTom Erickson case ZPROP_SRC_RECEIVED: 35092241e0bSTom Erickson /* 35192241e0bSTom Erickson * If there's no local setting, then the new received value will 35292241e0bSTom Erickson * be the effective value. 35392241e0bSTom Erickson */ 3543b2aab18SMatthew Ahrens err = zap_lookup(mos, zapobj, propname, 8, 1, newvalp); 35592241e0bSTom Erickson if (err == ENOENT) 3563b2aab18SMatthew Ahrens *newvalp = value; 35792241e0bSTom Erickson break; 35892241e0bSTom Erickson case (ZPROP_SRC_NONE | ZPROP_SRC_RECEIVED): 35992241e0bSTom Erickson /* 36092241e0bSTom Erickson * We're clearing the received value, so the local setting (if 36192241e0bSTom Erickson * it exists) remains the effective value. 36292241e0bSTom Erickson */ 3633b2aab18SMatthew Ahrens err = zap_lookup(mos, zapobj, propname, 8, 1, newvalp); 36492241e0bSTom Erickson if (err == ENOENT) 3653b2aab18SMatthew Ahrens *newvalp = 0; 36692241e0bSTom Erickson break; 36792241e0bSTom Erickson default: 3683b2aab18SMatthew Ahrens panic("unexpected property source: %d", source); 36992241e0bSTom Erickson } 37092241e0bSTom Erickson 37192241e0bSTom Erickson strfree(recvdstr); 37292241e0bSTom Erickson 37392241e0bSTom Erickson if (err == ENOENT) 37492241e0bSTom Erickson return (0); 37592241e0bSTom Erickson 37692241e0bSTom Erickson return (err); 37792241e0bSTom Erickson } 37892241e0bSTom Erickson 379fa9e4066Sahrens /* 380fa9e4066Sahrens * Unregister this callback. Return 0 on success, ENOENT if ddname is 381f7170741SWill Andrews * invalid, or ENOMSG if no matching callback registered. 382fa9e4066Sahrens */ 383fa9e4066Sahrens int 384fa9e4066Sahrens dsl_prop_unregister(dsl_dataset_t *ds, const char *propname, 385fa9e4066Sahrens dsl_prop_changed_cb_t *callback, void *cbarg) 386fa9e4066Sahrens { 38799653d4eSeschrock dsl_dir_t *dd = ds->ds_dir; 388fa9e4066Sahrens dsl_prop_cb_record_t *cbr; 389fa9e4066Sahrens 390fa9e4066Sahrens mutex_enter(&dd->dd_lock); 391fa9e4066Sahrens for (cbr = list_head(&dd->dd_prop_cbs); 392fa9e4066Sahrens cbr; cbr = list_next(&dd->dd_prop_cbs, cbr)) { 39399653d4eSeschrock if (cbr->cbr_ds == ds && 394fa9e4066Sahrens cbr->cbr_func == callback && 39599653d4eSeschrock cbr->cbr_arg == cbarg && 39699653d4eSeschrock strcmp(cbr->cbr_propname, propname) == 0) 397fa9e4066Sahrens break; 398fa9e4066Sahrens } 399fa9e4066Sahrens 400fa9e4066Sahrens if (cbr == NULL) { 401fa9e4066Sahrens mutex_exit(&dd->dd_lock); 402be6fd75aSMatthew Ahrens return (SET_ERROR(ENOMSG)); 403fa9e4066Sahrens } 404fa9e4066Sahrens 405fa9e4066Sahrens list_remove(&dd->dd_prop_cbs, cbr); 406fa9e4066Sahrens mutex_exit(&dd->dd_lock); 407fa9e4066Sahrens kmem_free((void*)cbr->cbr_propname, strlen(cbr->cbr_propname)+1); 408fa9e4066Sahrens kmem_free(cbr, sizeof (dsl_prop_cb_record_t)); 409fa9e4066Sahrens 410fa9e4066Sahrens return (0); 411fa9e4066Sahrens } 412fa9e4066Sahrens 4133b2aab18SMatthew Ahrens boolean_t 4143b2aab18SMatthew Ahrens dsl_prop_hascb(dsl_dataset_t *ds) 41599653d4eSeschrock { 41699653d4eSeschrock dsl_dir_t *dd = ds->ds_dir; 4173b2aab18SMatthew Ahrens boolean_t rv = B_FALSE; 41899653d4eSeschrock dsl_prop_cb_record_t *cbr; 41999653d4eSeschrock 42099653d4eSeschrock mutex_enter(&dd->dd_lock); 4213b2aab18SMatthew Ahrens for (cbr = list_head(&dd->dd_prop_cbs); cbr; 4223b2aab18SMatthew Ahrens cbr = list_next(&dd->dd_prop_cbs, cbr)) { 4233b2aab18SMatthew Ahrens if (cbr->cbr_ds == ds) { 4243b2aab18SMatthew Ahrens rv = B_TRUE; 4253b2aab18SMatthew Ahrens break; 4263b2aab18SMatthew Ahrens } 42799653d4eSeschrock } 42899653d4eSeschrock mutex_exit(&dd->dd_lock); 4293b2aab18SMatthew Ahrens return (rv); 4303b2aab18SMatthew Ahrens } 43199653d4eSeschrock 4323b2aab18SMatthew Ahrens /* ARGSUSED */ 4333b2aab18SMatthew Ahrens static int 4343b2aab18SMatthew Ahrens dsl_prop_notify_all_cb(dsl_pool_t *dp, dsl_dataset_t *ds, void *arg) 4353b2aab18SMatthew Ahrens { 4363b2aab18SMatthew Ahrens dsl_dir_t *dd = ds->ds_dir; 4373b2aab18SMatthew Ahrens dsl_prop_cb_record_t *cbr; 4383b2aab18SMatthew Ahrens 4393b2aab18SMatthew Ahrens mutex_enter(&dd->dd_lock); 4403b2aab18SMatthew Ahrens for (cbr = list_head(&dd->dd_prop_cbs); cbr; 4413b2aab18SMatthew Ahrens cbr = list_next(&dd->dd_prop_cbs, cbr)) { 4423b2aab18SMatthew Ahrens uint64_t value; 4433b2aab18SMatthew Ahrens 444*e57a022bSJustin T. Gibbs /* 445*e57a022bSJustin T. Gibbs * Callback entries do not have holds on their datasets 446*e57a022bSJustin T. Gibbs * so that datasets with registered callbacks are still 447*e57a022bSJustin T. Gibbs * eligible for eviction. Unlike operations on callbacks 448*e57a022bSJustin T. Gibbs * for a single dataset, we are performing a recursive 449*e57a022bSJustin T. Gibbs * descent of related datasets and the calling context 450*e57a022bSJustin T. Gibbs * for this iteration only has a dataset hold on the root. 451*e57a022bSJustin T. Gibbs * Without a hold, the callback's pointer to the dataset 452*e57a022bSJustin T. Gibbs * could be invalidated by eviction at any time. 453*e57a022bSJustin T. Gibbs * 454*e57a022bSJustin T. Gibbs * Use dsl_dataset_try_add_ref() to verify that the 455*e57a022bSJustin T. Gibbs * dataset has not begun eviction processing and to 456*e57a022bSJustin T. Gibbs * prevent eviction from occurring for the duration 457*e57a022bSJustin T. Gibbs * of the callback. If the hold attempt fails, this 458*e57a022bSJustin T. Gibbs * object is already being evicted and the callback can 459*e57a022bSJustin T. Gibbs * be safely ignored. 460*e57a022bSJustin T. Gibbs */ 461*e57a022bSJustin T. Gibbs if (!dsl_dataset_try_add_ref(dp, cbr->cbr_ds, FTAG)) 462*e57a022bSJustin T. Gibbs continue; 463*e57a022bSJustin T. Gibbs 4643b2aab18SMatthew Ahrens if (dsl_prop_get_ds(cbr->cbr_ds, cbr->cbr_propname, 4653b2aab18SMatthew Ahrens sizeof (value), 1, &value, NULL) == 0) 4663b2aab18SMatthew Ahrens cbr->cbr_func(cbr->cbr_arg, value); 467*e57a022bSJustin T. Gibbs 468*e57a022bSJustin T. Gibbs dsl_dataset_rele(cbr->cbr_ds, FTAG); 4693b2aab18SMatthew Ahrens } 4703b2aab18SMatthew Ahrens mutex_exit(&dd->dd_lock); 4713b2aab18SMatthew Ahrens 4723b2aab18SMatthew Ahrens return (0); 4733b2aab18SMatthew Ahrens } 4743b2aab18SMatthew Ahrens 4753b2aab18SMatthew Ahrens /* 4763b2aab18SMatthew Ahrens * Update all property values for ddobj & its descendants. This is used 4773b2aab18SMatthew Ahrens * when renaming the dir. 4783b2aab18SMatthew Ahrens */ 4793b2aab18SMatthew Ahrens void 4803b2aab18SMatthew Ahrens dsl_prop_notify_all(dsl_dir_t *dd) 4813b2aab18SMatthew Ahrens { 4823b2aab18SMatthew Ahrens dsl_pool_t *dp = dd->dd_pool; 4833b2aab18SMatthew Ahrens ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); 4843b2aab18SMatthew Ahrens (void) dmu_objset_find_dp(dp, dd->dd_object, dsl_prop_notify_all_cb, 4853b2aab18SMatthew Ahrens NULL, DS_FIND_CHILDREN); 48699653d4eSeschrock } 48799653d4eSeschrock 488fa9e4066Sahrens static void 489fa9e4066Sahrens dsl_prop_changed_notify(dsl_pool_t *dp, uint64_t ddobj, 490fa9e4066Sahrens const char *propname, uint64_t value, int first) 491fa9e4066Sahrens { 492fa9e4066Sahrens dsl_dir_t *dd; 493fa9e4066Sahrens dsl_prop_cb_record_t *cbr; 494fa9e4066Sahrens objset_t *mos = dp->dp_meta_objset; 4951d452cf5Sahrens zap_cursor_t zc; 496d8d77200Sahrens zap_attribute_t *za; 497fa9e4066Sahrens int err; 498fa9e4066Sahrens 4993b2aab18SMatthew Ahrens ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); 5003b2aab18SMatthew Ahrens err = dsl_dir_hold_obj(dp, ddobj, NULL, FTAG, &dd); 501ea8dc4b6Seschrock if (err) 502ea8dc4b6Seschrock return; 503fa9e4066Sahrens 504fa9e4066Sahrens if (!first) { 505fa9e4066Sahrens /* 506fa9e4066Sahrens * If the prop is set here, then this change is not 507fa9e4066Sahrens * being inherited here or below; stop the recursion. 508fa9e4066Sahrens */ 509c1379625SJustin T. Gibbs err = zap_contains(mos, dsl_dir_phys(dd)->dd_props_zapobj, 510c1379625SJustin T. Gibbs propname); 511fa9e4066Sahrens if (err == 0) { 5123b2aab18SMatthew Ahrens dsl_dir_rele(dd, FTAG); 513fa9e4066Sahrens return; 514fa9e4066Sahrens } 515fa9e4066Sahrens ASSERT3U(err, ==, ENOENT); 516fa9e4066Sahrens } 517fa9e4066Sahrens 518fa9e4066Sahrens mutex_enter(&dd->dd_lock); 519bb0ade09Sahrens for (cbr = list_head(&dd->dd_prop_cbs); cbr; 520bb0ade09Sahrens cbr = list_next(&dd->dd_prop_cbs, cbr)) { 521*e57a022bSJustin T. Gibbs uint64_t propobj; 522bb0ade09Sahrens 523*e57a022bSJustin T. Gibbs /* 524*e57a022bSJustin T. Gibbs * cbr->cbf_ds may be invalidated due to eviction, 525*e57a022bSJustin T. Gibbs * requiring the use of dsl_dataset_try_add_ref(). 526*e57a022bSJustin T. Gibbs * See comment block in dsl_prop_notify_all_cb() 527*e57a022bSJustin T. Gibbs * for details. 528*e57a022bSJustin T. Gibbs */ 529*e57a022bSJustin T. Gibbs if (strcmp(cbr->cbr_propname, propname) != 0 || 530*e57a022bSJustin T. Gibbs !dsl_dataset_try_add_ref(dp, cbr->cbr_ds, FTAG)) 531bb0ade09Sahrens continue; 532bb0ade09Sahrens 533*e57a022bSJustin T. Gibbs propobj = dsl_dataset_phys(cbr->cbr_ds)->ds_props_obj; 534*e57a022bSJustin T. Gibbs 535bb0ade09Sahrens /* 536*e57a022bSJustin T. Gibbs * If the property is not set on this ds, then it is 537*e57a022bSJustin T. Gibbs * inherited here; call the callback. 538bb0ade09Sahrens */ 539*e57a022bSJustin T. Gibbs if (propobj == 0 || zap_contains(mos, propobj, propname) != 0) 540*e57a022bSJustin T. Gibbs cbr->cbr_func(cbr->cbr_arg, value); 541bb0ade09Sahrens 542*e57a022bSJustin T. Gibbs dsl_dataset_rele(cbr->cbr_ds, FTAG); 543fa9e4066Sahrens } 544fa9e4066Sahrens mutex_exit(&dd->dd_lock); 545fa9e4066Sahrens 546d8d77200Sahrens za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); 5471d452cf5Sahrens for (zap_cursor_init(&zc, mos, 548c1379625SJustin T. Gibbs dsl_dir_phys(dd)->dd_child_dir_zapobj); 549d8d77200Sahrens zap_cursor_retrieve(&zc, za) == 0; 5501d452cf5Sahrens zap_cursor_advance(&zc)) { 551d8d77200Sahrens dsl_prop_changed_notify(dp, za->za_first_integer, 5521d452cf5Sahrens propname, value, FALSE); 553fa9e4066Sahrens } 554d8d77200Sahrens kmem_free(za, sizeof (zap_attribute_t)); 5551d452cf5Sahrens zap_cursor_fini(&zc); 5563b2aab18SMatthew Ahrens dsl_dir_rele(dd, FTAG); 557fa9e4066Sahrens } 558fa9e4066Sahrens 55992241e0bSTom Erickson void 5603b2aab18SMatthew Ahrens dsl_prop_set_sync_impl(dsl_dataset_t *ds, const char *propname, 5613b2aab18SMatthew Ahrens zprop_source_t source, int intsz, int numints, const void *value, 5623b2aab18SMatthew Ahrens dmu_tx_t *tx) 563fa9e4066Sahrens { 564bb0ade09Sahrens objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; 56592241e0bSTom Erickson uint64_t zapobj, intval, dummy; 5661d452cf5Sahrens int isint; 567ecd6cf80Smarks char valbuf[32]; 5683b2aab18SMatthew Ahrens const char *valstr = NULL; 56992241e0bSTom Erickson char *inheritstr; 57092241e0bSTom Erickson char *recvdstr; 57192241e0bSTom Erickson char *tbuf = NULL; 57292241e0bSTom Erickson int err; 57392241e0bSTom Erickson uint64_t version = spa_version(ds->ds_dir->dd_pool->dp_spa); 574fa9e4066Sahrens 57592241e0bSTom Erickson isint = (dodefault(propname, 8, 1, &intval) == 0); 576fa9e4066Sahrens 577bc9014e6SJustin Gibbs if (ds->ds_is_snapshot) { 57892241e0bSTom Erickson ASSERT(version >= SPA_VERSION_SNAP_PROPS); 579c1379625SJustin T. Gibbs if (dsl_dataset_phys(ds)->ds_props_obj == 0) { 580bb0ade09Sahrens dmu_buf_will_dirty(ds->ds_dbuf, tx); 581c1379625SJustin T. Gibbs dsl_dataset_phys(ds)->ds_props_obj = 582bb0ade09Sahrens zap_create(mos, 583bb0ade09Sahrens DMU_OT_DSL_PROPS, DMU_OT_NONE, 0, tx); 584bb0ade09Sahrens } 585c1379625SJustin T. Gibbs zapobj = dsl_dataset_phys(ds)->ds_props_obj; 586bb0ade09Sahrens } else { 587c1379625SJustin T. Gibbs zapobj = dsl_dir_phys(ds->ds_dir)->dd_props_zapobj; 588bb0ade09Sahrens } 589bb0ade09Sahrens 59092241e0bSTom Erickson if (version < SPA_VERSION_RECVD_PROPS) { 59192241e0bSTom Erickson if (source & ZPROP_SRC_NONE) 59292241e0bSTom Erickson source = ZPROP_SRC_NONE; 59392241e0bSTom Erickson else if (source & ZPROP_SRC_RECEIVED) 59492241e0bSTom Erickson source = ZPROP_SRC_LOCAL; 59592241e0bSTom Erickson } 59692241e0bSTom Erickson 59792241e0bSTom Erickson inheritstr = kmem_asprintf("%s%s", propname, ZPROP_INHERIT_SUFFIX); 59892241e0bSTom Erickson recvdstr = kmem_asprintf("%s%s", propname, ZPROP_RECVD_SUFFIX); 59992241e0bSTom Erickson 60092241e0bSTom Erickson switch (source) { 60192241e0bSTom Erickson case ZPROP_SRC_NONE: 60292241e0bSTom Erickson /* 60392241e0bSTom Erickson * revert to received value, if any (inherit -S) 60492241e0bSTom Erickson * - remove propname 60592241e0bSTom Erickson * - remove propname$inherit 60692241e0bSTom Erickson */ 60792241e0bSTom Erickson err = zap_remove(mos, zapobj, propname, tx); 60892241e0bSTom Erickson ASSERT(err == 0 || err == ENOENT); 60992241e0bSTom Erickson err = zap_remove(mos, zapobj, inheritstr, tx); 61092241e0bSTom Erickson ASSERT(err == 0 || err == ENOENT); 61192241e0bSTom Erickson break; 61292241e0bSTom Erickson case ZPROP_SRC_LOCAL: 61392241e0bSTom Erickson /* 61492241e0bSTom Erickson * remove propname$inherit 61592241e0bSTom Erickson * set propname -> value 61692241e0bSTom Erickson */ 61792241e0bSTom Erickson err = zap_remove(mos, zapobj, inheritstr, tx); 61892241e0bSTom Erickson ASSERT(err == 0 || err == ENOENT); 6193b2aab18SMatthew Ahrens VERIFY0(zap_update(mos, zapobj, propname, 6203b2aab18SMatthew Ahrens intsz, numints, value, tx)); 62192241e0bSTom Erickson break; 62292241e0bSTom Erickson case ZPROP_SRC_INHERITED: 62392241e0bSTom Erickson /* 62492241e0bSTom Erickson * explicitly inherit 62592241e0bSTom Erickson * - remove propname 62692241e0bSTom Erickson * - set propname$inherit 62792241e0bSTom Erickson */ 62892241e0bSTom Erickson err = zap_remove(mos, zapobj, propname, tx); 6291d452cf5Sahrens ASSERT(err == 0 || err == ENOENT); 63092241e0bSTom Erickson if (version >= SPA_VERSION_RECVD_PROPS && 6313b2aab18SMatthew Ahrens dsl_prop_get_int_ds(ds, ZPROP_HAS_RECVD, &dummy) == 0) { 63292241e0bSTom Erickson dummy = 0; 6333b2aab18SMatthew Ahrens VERIFY0(zap_update(mos, zapobj, inheritstr, 6343b2aab18SMatthew Ahrens 8, 1, &dummy, tx)); 635fa9e4066Sahrens } 63692241e0bSTom Erickson break; 63792241e0bSTom Erickson case ZPROP_SRC_RECEIVED: 63892241e0bSTom Erickson /* 63992241e0bSTom Erickson * set propname$recvd -> value 64092241e0bSTom Erickson */ 64192241e0bSTom Erickson err = zap_update(mos, zapobj, recvdstr, 6423b2aab18SMatthew Ahrens intsz, numints, value, tx); 64392241e0bSTom Erickson ASSERT(err == 0); 64492241e0bSTom Erickson break; 64592241e0bSTom Erickson case (ZPROP_SRC_NONE | ZPROP_SRC_LOCAL | ZPROP_SRC_RECEIVED): 64692241e0bSTom Erickson /* 64792241e0bSTom Erickson * clear local and received settings 64892241e0bSTom Erickson * - remove propname 64992241e0bSTom Erickson * - remove propname$inherit 65092241e0bSTom Erickson * - remove propname$recvd 65192241e0bSTom Erickson */ 65292241e0bSTom Erickson err = zap_remove(mos, zapobj, propname, tx); 65392241e0bSTom Erickson ASSERT(err == 0 || err == ENOENT); 65492241e0bSTom Erickson err = zap_remove(mos, zapobj, inheritstr, tx); 65592241e0bSTom Erickson ASSERT(err == 0 || err == ENOENT); 65692241e0bSTom Erickson /* FALLTHRU */ 65792241e0bSTom Erickson case (ZPROP_SRC_NONE | ZPROP_SRC_RECEIVED): 65892241e0bSTom Erickson /* 65992241e0bSTom Erickson * remove propname$recvd 66092241e0bSTom Erickson */ 66192241e0bSTom Erickson err = zap_remove(mos, zapobj, recvdstr, tx); 66292241e0bSTom Erickson ASSERT(err == 0 || err == ENOENT); 66392241e0bSTom Erickson break; 66492241e0bSTom Erickson default: 66592241e0bSTom Erickson cmn_err(CE_PANIC, "unexpected property source: %d", source); 666fa9e4066Sahrens } 667fa9e4066Sahrens 66892241e0bSTom Erickson strfree(inheritstr); 66992241e0bSTom Erickson strfree(recvdstr); 67092241e0bSTom Erickson 6711d452cf5Sahrens if (isint) { 6723b2aab18SMatthew Ahrens VERIFY0(dsl_prop_get_int_ds(ds, propname, &intval)); 67392241e0bSTom Erickson 674bc9014e6SJustin Gibbs if (ds->ds_is_snapshot) { 675bb0ade09Sahrens dsl_prop_cb_record_t *cbr; 676bb0ade09Sahrens /* 677bb0ade09Sahrens * It's a snapshot; nothing can inherit this 678bb0ade09Sahrens * property, so just look for callbacks on this 679bb0ade09Sahrens * ds here. 680bb0ade09Sahrens */ 681bb0ade09Sahrens mutex_enter(&ds->ds_dir->dd_lock); 682bb0ade09Sahrens for (cbr = list_head(&ds->ds_dir->dd_prop_cbs); cbr; 683bb0ade09Sahrens cbr = list_next(&ds->ds_dir->dd_prop_cbs, cbr)) { 684bb0ade09Sahrens if (cbr->cbr_ds == ds && 68592241e0bSTom Erickson strcmp(cbr->cbr_propname, propname) == 0) 686bb0ade09Sahrens cbr->cbr_func(cbr->cbr_arg, intval); 687bb0ade09Sahrens } 688bb0ade09Sahrens mutex_exit(&ds->ds_dir->dd_lock); 689bb0ade09Sahrens } else { 690bb0ade09Sahrens dsl_prop_changed_notify(ds->ds_dir->dd_pool, 69192241e0bSTom Erickson ds->ds_dir->dd_object, propname, intval, TRUE); 692bb0ade09Sahrens } 69392241e0bSTom Erickson 694ecd6cf80Smarks (void) snprintf(valbuf, sizeof (valbuf), 695ecd6cf80Smarks "%lld", (longlong_t)intval); 696ecd6cf80Smarks valstr = valbuf; 697ecd6cf80Smarks } else { 69892241e0bSTom Erickson if (source == ZPROP_SRC_LOCAL) { 6993b2aab18SMatthew Ahrens valstr = value; 70092241e0bSTom Erickson } else { 70192241e0bSTom Erickson tbuf = kmem_alloc(ZAP_MAXVALUELEN, KM_SLEEP); 70292241e0bSTom Erickson if (dsl_prop_get_ds(ds, propname, 1, 70392241e0bSTom Erickson ZAP_MAXVALUELEN, tbuf, NULL) == 0) 70492241e0bSTom Erickson valstr = tbuf; 70592241e0bSTom Erickson } 706ecd6cf80Smarks } 70792241e0bSTom Erickson 7084445fffbSMatthew Ahrens spa_history_log_internal_ds(ds, (source == ZPROP_SRC_NONE || 7094445fffbSMatthew Ahrens source == ZPROP_SRC_INHERITED) ? "inherit" : "set", tx, 7104445fffbSMatthew Ahrens "%s=%s", propname, (valstr == NULL ? "" : valstr)); 71192241e0bSTom Erickson 71292241e0bSTom Erickson if (tbuf != NULL) 71392241e0bSTom Erickson kmem_free(tbuf, ZAP_MAXVALUELEN); 714fa9e4066Sahrens } 715fa9e4066Sahrens 7163b2aab18SMatthew Ahrens int 7173b2aab18SMatthew Ahrens dsl_prop_set_int(const char *dsname, const char *propname, 7183b2aab18SMatthew Ahrens zprop_source_t source, uint64_t value) 7195c0b6a79SRich Morris { 7203b2aab18SMatthew Ahrens nvlist_t *nvl = fnvlist_alloc(); 7213b2aab18SMatthew Ahrens int error; 72292241e0bSTom Erickson 7233b2aab18SMatthew Ahrens fnvlist_add_uint64(nvl, propname, value); 7243b2aab18SMatthew Ahrens error = dsl_props_set(dsname, source, nvl); 7253b2aab18SMatthew Ahrens fnvlist_free(nvl); 7263b2aab18SMatthew Ahrens return (error); 7275c0b6a79SRich Morris } 7285c0b6a79SRich Morris 729a2eea2e1Sahrens int 7303b2aab18SMatthew Ahrens dsl_prop_set_string(const char *dsname, const char *propname, 7313b2aab18SMatthew Ahrens zprop_source_t source, const char *value) 732fa9e4066Sahrens { 7333b2aab18SMatthew Ahrens nvlist_t *nvl = fnvlist_alloc(); 7343b2aab18SMatthew Ahrens int error; 735bb0ade09Sahrens 7363b2aab18SMatthew Ahrens fnvlist_add_string(nvl, propname, value); 7373b2aab18SMatthew Ahrens error = dsl_props_set(dsname, source, nvl); 7383b2aab18SMatthew Ahrens fnvlist_free(nvl); 7393b2aab18SMatthew Ahrens return (error); 7403b2aab18SMatthew Ahrens } 74192241e0bSTom Erickson 7423b2aab18SMatthew Ahrens int 7433b2aab18SMatthew Ahrens dsl_prop_inherit(const char *dsname, const char *propname, 7443b2aab18SMatthew Ahrens zprop_source_t source) 7453b2aab18SMatthew Ahrens { 7463b2aab18SMatthew Ahrens nvlist_t *nvl = fnvlist_alloc(); 7473b2aab18SMatthew Ahrens int error; 748bb0ade09Sahrens 7493b2aab18SMatthew Ahrens fnvlist_add_boolean(nvl, propname); 7503b2aab18SMatthew Ahrens error = dsl_props_set(dsname, source, nvl); 7513b2aab18SMatthew Ahrens fnvlist_free(nvl); 7523b2aab18SMatthew Ahrens return (error); 753fa9e4066Sahrens } 7547f7322feSeschrock 7553b2aab18SMatthew Ahrens typedef struct dsl_props_set_arg { 7563b2aab18SMatthew Ahrens const char *dpsa_dsname; 7573b2aab18SMatthew Ahrens zprop_source_t dpsa_source; 7583b2aab18SMatthew Ahrens nvlist_t *dpsa_props; 7593b2aab18SMatthew Ahrens } dsl_props_set_arg_t; 7603b2aab18SMatthew Ahrens 7613b2aab18SMatthew Ahrens static int 7623b2aab18SMatthew Ahrens dsl_props_set_check(void *arg, dmu_tx_t *tx) 7635c0b6a79SRich Morris { 7643b2aab18SMatthew Ahrens dsl_props_set_arg_t *dpsa = arg; 7653b2aab18SMatthew Ahrens dsl_pool_t *dp = dmu_tx_pool(tx); 7665c0b6a79SRich Morris dsl_dataset_t *ds; 767478ed9adSEric Taylor uint64_t version; 7685c0b6a79SRich Morris nvpair_t *elem = NULL; 7695c0b6a79SRich Morris int err; 7705c0b6a79SRich Morris 7713b2aab18SMatthew Ahrens err = dsl_dataset_hold(dp, dpsa->dpsa_dsname, FTAG, &ds); 7723b2aab18SMatthew Ahrens if (err != 0) 773478ed9adSEric Taylor return (err); 7743b2aab18SMatthew Ahrens 775478ed9adSEric Taylor version = spa_version(ds->ds_dir->dd_pool->dp_spa); 7763b2aab18SMatthew Ahrens while ((elem = nvlist_next_nvpair(dpsa->dpsa_props, elem)) != NULL) { 777478ed9adSEric Taylor if (strlen(nvpair_name(elem)) >= ZAP_MAXNAMELEN) { 778478ed9adSEric Taylor dsl_dataset_rele(ds, FTAG); 779be6fd75aSMatthew Ahrens return (SET_ERROR(ENAMETOOLONG)); 780478ed9adSEric Taylor } 7815c0b6a79SRich Morris if (nvpair_type(elem) == DATA_TYPE_STRING) { 7823b2aab18SMatthew Ahrens char *valstr = fnvpair_value_string(elem); 783478ed9adSEric Taylor if (strlen(valstr) >= (version < 784478ed9adSEric Taylor SPA_VERSION_STMF_PROP ? 785478ed9adSEric Taylor ZAP_OLDMAXVALUELEN : ZAP_MAXVALUELEN)) { 786478ed9adSEric Taylor dsl_dataset_rele(ds, FTAG); 787ccba0801SRich Morris return (E2BIG); 788478ed9adSEric Taylor } 7895c0b6a79SRich Morris } 7905c0b6a79SRich Morris } 7915c0b6a79SRich Morris 792bc9014e6SJustin Gibbs if (ds->ds_is_snapshot && version < SPA_VERSION_SNAP_PROPS) { 7935c0b6a79SRich Morris dsl_dataset_rele(ds, FTAG); 794be6fd75aSMatthew Ahrens return (SET_ERROR(ENOTSUP)); 7955c0b6a79SRich Morris } 7963b2aab18SMatthew Ahrens dsl_dataset_rele(ds, FTAG); 7973b2aab18SMatthew Ahrens return (0); 7983b2aab18SMatthew Ahrens } 7995c0b6a79SRich Morris 8003b2aab18SMatthew Ahrens void 8013b2aab18SMatthew Ahrens dsl_props_set_sync_impl(dsl_dataset_t *ds, zprop_source_t source, 8023b2aab18SMatthew Ahrens nvlist_t *props, dmu_tx_t *tx) 8033b2aab18SMatthew Ahrens { 8043b2aab18SMatthew Ahrens nvpair_t *elem = NULL; 80592241e0bSTom Erickson 8063b2aab18SMatthew Ahrens while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { 8073b2aab18SMatthew Ahrens nvpair_t *pair = elem; 8085c0b6a79SRich Morris 8093b2aab18SMatthew Ahrens if (nvpair_type(pair) == DATA_TYPE_NVLIST) { 8103b2aab18SMatthew Ahrens /* 8113b2aab18SMatthew Ahrens * dsl_prop_get_all_impl() returns properties in this 8123b2aab18SMatthew Ahrens * format. 8133b2aab18SMatthew Ahrens */ 8143b2aab18SMatthew Ahrens nvlist_t *attrs = fnvpair_value_nvlist(pair); 8153b2aab18SMatthew Ahrens pair = fnvlist_lookup_nvpair(attrs, ZPROP_VALUE); 8163b2aab18SMatthew Ahrens } 8173b2aab18SMatthew Ahrens 8183b2aab18SMatthew Ahrens if (nvpair_type(pair) == DATA_TYPE_STRING) { 8193b2aab18SMatthew Ahrens const char *value = fnvpair_value_string(pair); 8203b2aab18SMatthew Ahrens dsl_prop_set_sync_impl(ds, nvpair_name(pair), 8213b2aab18SMatthew Ahrens source, 1, strlen(value) + 1, value, tx); 8223b2aab18SMatthew Ahrens } else if (nvpair_type(pair) == DATA_TYPE_UINT64) { 8233b2aab18SMatthew Ahrens uint64_t intval = fnvpair_value_uint64(pair); 8243b2aab18SMatthew Ahrens dsl_prop_set_sync_impl(ds, nvpair_name(pair), 8253b2aab18SMatthew Ahrens source, sizeof (intval), 1, &intval, tx); 8263b2aab18SMatthew Ahrens } else if (nvpair_type(pair) == DATA_TYPE_BOOLEAN) { 8273b2aab18SMatthew Ahrens dsl_prop_set_sync_impl(ds, nvpair_name(pair), 8283b2aab18SMatthew Ahrens source, 0, 0, NULL, tx); 8293b2aab18SMatthew Ahrens } else { 8303b2aab18SMatthew Ahrens panic("invalid nvpair type"); 8313b2aab18SMatthew Ahrens } 8323b2aab18SMatthew Ahrens } 8333b2aab18SMatthew Ahrens } 8343b2aab18SMatthew Ahrens 8353b2aab18SMatthew Ahrens static void 8363b2aab18SMatthew Ahrens dsl_props_set_sync(void *arg, dmu_tx_t *tx) 8373b2aab18SMatthew Ahrens { 8383b2aab18SMatthew Ahrens dsl_props_set_arg_t *dpsa = arg; 8393b2aab18SMatthew Ahrens dsl_pool_t *dp = dmu_tx_pool(tx); 8403b2aab18SMatthew Ahrens dsl_dataset_t *ds; 8413b2aab18SMatthew Ahrens 8423b2aab18SMatthew Ahrens VERIFY0(dsl_dataset_hold(dp, dpsa->dpsa_dsname, FTAG, &ds)); 8433b2aab18SMatthew Ahrens dsl_props_set_sync_impl(ds, dpsa->dpsa_source, dpsa->dpsa_props, tx); 8445c0b6a79SRich Morris dsl_dataset_rele(ds, FTAG); 8453b2aab18SMatthew Ahrens } 8463b2aab18SMatthew Ahrens 8473b2aab18SMatthew Ahrens /* 8483b2aab18SMatthew Ahrens * All-or-nothing; if any prop can't be set, nothing will be modified. 8493b2aab18SMatthew Ahrens */ 8503b2aab18SMatthew Ahrens int 8513b2aab18SMatthew Ahrens dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *props) 8523b2aab18SMatthew Ahrens { 8533b2aab18SMatthew Ahrens dsl_props_set_arg_t dpsa; 8543b2aab18SMatthew Ahrens int nblks = 0; 8553b2aab18SMatthew Ahrens 8563b2aab18SMatthew Ahrens dpsa.dpsa_dsname = dsname; 8573b2aab18SMatthew Ahrens dpsa.dpsa_source = source; 8583b2aab18SMatthew Ahrens dpsa.dpsa_props = props; 8593b2aab18SMatthew Ahrens 8603b2aab18SMatthew Ahrens /* 8613b2aab18SMatthew Ahrens * If the source includes NONE, then we will only be removing entries 8623b2aab18SMatthew Ahrens * from the ZAP object. In that case don't check for ENOSPC. 8633b2aab18SMatthew Ahrens */ 8643b2aab18SMatthew Ahrens if ((source & ZPROP_SRC_NONE) == 0) 8653b2aab18SMatthew Ahrens nblks = 2 * fnvlist_num_pairs(props); 8663b2aab18SMatthew Ahrens 8673b2aab18SMatthew Ahrens return (dsl_sync_task(dsname, dsl_props_set_check, dsl_props_set_sync, 8687d46dc6cSMatthew Ahrens &dpsa, nblks, ZFS_SPACE_CHECK_RESERVED)); 8695c0b6a79SRich Morris } 8705c0b6a79SRich Morris 87192241e0bSTom Erickson typedef enum dsl_prop_getflags { 87292241e0bSTom Erickson DSL_PROP_GET_INHERITING = 0x1, /* searching parent of target ds */ 87392241e0bSTom Erickson DSL_PROP_GET_SNAPSHOT = 0x2, /* snapshot dataset */ 87492241e0bSTom Erickson DSL_PROP_GET_LOCAL = 0x4, /* local properties */ 87592241e0bSTom Erickson DSL_PROP_GET_RECEIVED = 0x8 /* received properties */ 87692241e0bSTom Erickson } dsl_prop_getflags_t; 87792241e0bSTom Erickson 87892241e0bSTom Erickson static int 87992241e0bSTom Erickson dsl_prop_get_all_impl(objset_t *mos, uint64_t propobj, 88092241e0bSTom Erickson const char *setpoint, dsl_prop_getflags_t flags, nvlist_t *nv) 88192241e0bSTom Erickson { 88292241e0bSTom Erickson zap_cursor_t zc; 88392241e0bSTom Erickson zap_attribute_t za; 88492241e0bSTom Erickson int err = 0; 88592241e0bSTom Erickson 88692241e0bSTom Erickson for (zap_cursor_init(&zc, mos, propobj); 88792241e0bSTom Erickson (err = zap_cursor_retrieve(&zc, &za)) == 0; 88892241e0bSTom Erickson zap_cursor_advance(&zc)) { 88992241e0bSTom Erickson nvlist_t *propval; 89092241e0bSTom Erickson zfs_prop_t prop; 89192241e0bSTom Erickson char buf[ZAP_MAXNAMELEN]; 89292241e0bSTom Erickson char *valstr; 89392241e0bSTom Erickson const char *suffix; 89492241e0bSTom Erickson const char *propname; 89592241e0bSTom Erickson const char *source; 89692241e0bSTom Erickson 89792241e0bSTom Erickson suffix = strchr(za.za_name, '$'); 89892241e0bSTom Erickson 89992241e0bSTom Erickson if (suffix == NULL) { 90092241e0bSTom Erickson /* 90192241e0bSTom Erickson * Skip local properties if we only want received 90292241e0bSTom Erickson * properties. 90392241e0bSTom Erickson */ 90492241e0bSTom Erickson if (flags & DSL_PROP_GET_RECEIVED) 90592241e0bSTom Erickson continue; 90692241e0bSTom Erickson 90792241e0bSTom Erickson propname = za.za_name; 90892241e0bSTom Erickson source = setpoint; 90992241e0bSTom Erickson } else if (strcmp(suffix, ZPROP_INHERIT_SUFFIX) == 0) { 91092241e0bSTom Erickson /* Skip explicitly inherited entries. */ 91192241e0bSTom Erickson continue; 91292241e0bSTom Erickson } else if (strcmp(suffix, ZPROP_RECVD_SUFFIX) == 0) { 91392241e0bSTom Erickson if (flags & DSL_PROP_GET_LOCAL) 91492241e0bSTom Erickson continue; 91592241e0bSTom Erickson 91692241e0bSTom Erickson (void) strncpy(buf, za.za_name, (suffix - za.za_name)); 91792241e0bSTom Erickson buf[suffix - za.za_name] = '\0'; 91892241e0bSTom Erickson propname = buf; 91992241e0bSTom Erickson 92092241e0bSTom Erickson if (!(flags & DSL_PROP_GET_RECEIVED)) { 92192241e0bSTom Erickson /* Skip if locally overridden. */ 92292241e0bSTom Erickson err = zap_contains(mos, propobj, propname); 92392241e0bSTom Erickson if (err == 0) 92492241e0bSTom Erickson continue; 92592241e0bSTom Erickson if (err != ENOENT) 92692241e0bSTom Erickson break; 92792241e0bSTom Erickson 92892241e0bSTom Erickson /* Skip if explicitly inherited. */ 92992241e0bSTom Erickson valstr = kmem_asprintf("%s%s", propname, 93092241e0bSTom Erickson ZPROP_INHERIT_SUFFIX); 93192241e0bSTom Erickson err = zap_contains(mos, propobj, valstr); 93292241e0bSTom Erickson strfree(valstr); 93392241e0bSTom Erickson if (err == 0) 93492241e0bSTom Erickson continue; 93592241e0bSTom Erickson if (err != ENOENT) 93692241e0bSTom Erickson break; 93792241e0bSTom Erickson } 93892241e0bSTom Erickson 93992241e0bSTom Erickson source = ((flags & DSL_PROP_GET_INHERITING) ? 94092241e0bSTom Erickson setpoint : ZPROP_SOURCE_VAL_RECVD); 94192241e0bSTom Erickson } else { 94292241e0bSTom Erickson /* 94392241e0bSTom Erickson * For backward compatibility, skip suffixes we don't 94492241e0bSTom Erickson * recognize. 94592241e0bSTom Erickson */ 94692241e0bSTom Erickson continue; 94792241e0bSTom Erickson } 94892241e0bSTom Erickson 94992241e0bSTom Erickson prop = zfs_name_to_prop(propname); 95092241e0bSTom Erickson 95192241e0bSTom Erickson /* Skip non-inheritable properties. */ 95292241e0bSTom Erickson if ((flags & DSL_PROP_GET_INHERITING) && prop != ZPROP_INVAL && 95392241e0bSTom Erickson !zfs_prop_inheritable(prop)) 95492241e0bSTom Erickson continue; 95592241e0bSTom Erickson 95692241e0bSTom Erickson /* Skip properties not valid for this type. */ 95792241e0bSTom Erickson if ((flags & DSL_PROP_GET_SNAPSHOT) && prop != ZPROP_INVAL && 95892241e0bSTom Erickson !zfs_prop_valid_for_type(prop, ZFS_TYPE_SNAPSHOT)) 95992241e0bSTom Erickson continue; 96092241e0bSTom Erickson 96192241e0bSTom Erickson /* Skip properties already defined. */ 96292241e0bSTom Erickson if (nvlist_exists(nv, propname)) 96392241e0bSTom Erickson continue; 96492241e0bSTom Erickson 96592241e0bSTom Erickson VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); 96692241e0bSTom Erickson if (za.za_integer_length == 1) { 96792241e0bSTom Erickson /* 96892241e0bSTom Erickson * String property 96992241e0bSTom Erickson */ 97092241e0bSTom Erickson char *tmp = kmem_alloc(za.za_num_integers, 97192241e0bSTom Erickson KM_SLEEP); 97292241e0bSTom Erickson err = zap_lookup(mos, propobj, 97392241e0bSTom Erickson za.za_name, 1, za.za_num_integers, tmp); 97492241e0bSTom Erickson if (err != 0) { 97592241e0bSTom Erickson kmem_free(tmp, za.za_num_integers); 97692241e0bSTom Erickson break; 97792241e0bSTom Erickson } 97892241e0bSTom Erickson VERIFY(nvlist_add_string(propval, ZPROP_VALUE, 97992241e0bSTom Erickson tmp) == 0); 98092241e0bSTom Erickson kmem_free(tmp, za.za_num_integers); 98192241e0bSTom Erickson } else { 98292241e0bSTom Erickson /* 98392241e0bSTom Erickson * Integer property 98492241e0bSTom Erickson */ 98592241e0bSTom Erickson ASSERT(za.za_integer_length == 8); 98692241e0bSTom Erickson (void) nvlist_add_uint64(propval, ZPROP_VALUE, 98792241e0bSTom Erickson za.za_first_integer); 98892241e0bSTom Erickson } 98992241e0bSTom Erickson 99092241e0bSTom Erickson VERIFY(nvlist_add_string(propval, ZPROP_SOURCE, source) == 0); 99192241e0bSTom Erickson VERIFY(nvlist_add_nvlist(nv, propname, propval) == 0); 99292241e0bSTom Erickson nvlist_free(propval); 99392241e0bSTom Erickson } 99492241e0bSTom Erickson zap_cursor_fini(&zc); 99592241e0bSTom Erickson if (err == ENOENT) 99692241e0bSTom Erickson err = 0; 99792241e0bSTom Erickson return (err); 99892241e0bSTom Erickson } 99992241e0bSTom Erickson 10007f7322feSeschrock /* 10017f7322feSeschrock * Iterate over all properties for this dataset and return them in an nvlist. 10027f7322feSeschrock */ 100392241e0bSTom Erickson static int 100492241e0bSTom Erickson dsl_prop_get_all_ds(dsl_dataset_t *ds, nvlist_t **nvp, 100592241e0bSTom Erickson dsl_prop_getflags_t flags) 10067f7322feSeschrock { 100799653d4eSeschrock dsl_dir_t *dd = ds->ds_dir; 1008bb0ade09Sahrens dsl_pool_t *dp = dd->dd_pool; 1009bb0ade09Sahrens objset_t *mos = dp->dp_meta_objset; 101092241e0bSTom Erickson int err = 0; 101192241e0bSTom Erickson char setpoint[MAXNAMELEN]; 10127f7322feSeschrock 10137f7322feSeschrock VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); 10147f7322feSeschrock 1015bc9014e6SJustin Gibbs if (ds->ds_is_snapshot) 101692241e0bSTom Erickson flags |= DSL_PROP_GET_SNAPSHOT; 10177f7322feSeschrock 10183b2aab18SMatthew Ahrens ASSERT(dsl_pool_config_held(dp)); 101992241e0bSTom Erickson 1020c1379625SJustin T. Gibbs if (dsl_dataset_phys(ds)->ds_props_obj != 0) { 102192241e0bSTom Erickson ASSERT(flags & DSL_PROP_GET_SNAPSHOT); 102292241e0bSTom Erickson dsl_dataset_name(ds, setpoint); 1023c1379625SJustin T. Gibbs err = dsl_prop_get_all_impl(mos, 1024c1379625SJustin T. Gibbs dsl_dataset_phys(ds)->ds_props_obj, setpoint, flags, *nvp); 102592241e0bSTom Erickson if (err) 102692241e0bSTom Erickson goto out; 102792241e0bSTom Erickson } 102892241e0bSTom Erickson 102992241e0bSTom Erickson for (; dd != NULL; dd = dd->dd_parent) { 103092241e0bSTom Erickson if (dd != ds->ds_dir || (flags & DSL_PROP_GET_SNAPSHOT)) { 103192241e0bSTom Erickson if (flags & (DSL_PROP_GET_LOCAL | 103292241e0bSTom Erickson DSL_PROP_GET_RECEIVED)) 103392241e0bSTom Erickson break; 103492241e0bSTom Erickson flags |= DSL_PROP_GET_INHERITING; 1035bb0ade09Sahrens } 103692241e0bSTom Erickson dsl_dir_name(dd, setpoint); 1037c1379625SJustin T. Gibbs err = dsl_prop_get_all_impl(mos, 1038c1379625SJustin T. Gibbs dsl_dir_phys(dd)->dd_props_zapobj, setpoint, flags, *nvp); 103992241e0bSTom Erickson if (err) 104092241e0bSTom Erickson break; 104192241e0bSTom Erickson } 104292241e0bSTom Erickson out: 104392241e0bSTom Erickson return (err); 104492241e0bSTom Erickson } 1045a2eea2e1Sahrens 104692241e0bSTom Erickson boolean_t 10473b2aab18SMatthew Ahrens dsl_prop_get_hasrecvd(const char *dsname) 104892241e0bSTom Erickson { 104992241e0bSTom Erickson uint64_t dummy; 1050bb0ade09Sahrens 10513b2aab18SMatthew Ahrens return (0 == 10523b2aab18SMatthew Ahrens dsl_prop_get_integer(dsname, ZPROP_HAS_RECVD, &dummy, NULL)); 105392241e0bSTom Erickson } 1054e9dbad6fSeschrock 10553b2aab18SMatthew Ahrens static int 10563b2aab18SMatthew Ahrens dsl_prop_set_hasrecvd_impl(const char *dsname, zprop_source_t source) 105792241e0bSTom Erickson { 10583b2aab18SMatthew Ahrens uint64_t version; 10593b2aab18SMatthew Ahrens spa_t *spa; 10603b2aab18SMatthew Ahrens int error = 0; 10617f7322feSeschrock 10623b2aab18SMatthew Ahrens VERIFY0(spa_open(dsname, &spa, FTAG)); 10633b2aab18SMatthew Ahrens version = spa_version(spa); 10643b2aab18SMatthew Ahrens spa_close(spa, FTAG); 10657f7322feSeschrock 10663b2aab18SMatthew Ahrens if (version >= SPA_VERSION_RECVD_PROPS) 10673b2aab18SMatthew Ahrens error = dsl_prop_set_int(dsname, ZPROP_HAS_RECVD, source, 0); 10683b2aab18SMatthew Ahrens return (error); 106992241e0bSTom Erickson } 10707f7322feSeschrock 107192241e0bSTom Erickson /* 107292241e0bSTom Erickson * Call after successfully receiving properties to ensure that only the first 107392241e0bSTom Erickson * receive on or after SPA_VERSION_RECVD_PROPS blows away local properties. 107492241e0bSTom Erickson */ 10753b2aab18SMatthew Ahrens int 10763b2aab18SMatthew Ahrens dsl_prop_set_hasrecvd(const char *dsname) 107792241e0bSTom Erickson { 10783b2aab18SMatthew Ahrens int error = 0; 10793b2aab18SMatthew Ahrens if (!dsl_prop_get_hasrecvd(dsname)) 10803b2aab18SMatthew Ahrens error = dsl_prop_set_hasrecvd_impl(dsname, ZPROP_SRC_LOCAL); 10813b2aab18SMatthew Ahrens return (error); 108292241e0bSTom Erickson } 10837f7322feSeschrock 108492241e0bSTom Erickson void 10853b2aab18SMatthew Ahrens dsl_prop_unset_hasrecvd(const char *dsname) 108692241e0bSTom Erickson { 10873b2aab18SMatthew Ahrens VERIFY0(dsl_prop_set_hasrecvd_impl(dsname, ZPROP_SRC_NONE)); 108892241e0bSTom Erickson } 108992241e0bSTom Erickson 109092241e0bSTom Erickson int 109192241e0bSTom Erickson dsl_prop_get_all(objset_t *os, nvlist_t **nvp) 109292241e0bSTom Erickson { 109392241e0bSTom Erickson return (dsl_prop_get_all_ds(os->os_dsl_dataset, nvp, 0)); 109492241e0bSTom Erickson } 109592241e0bSTom Erickson 109692241e0bSTom Erickson int 10973b2aab18SMatthew Ahrens dsl_prop_get_received(const char *dsname, nvlist_t **nvp) 109892241e0bSTom Erickson { 10993b2aab18SMatthew Ahrens objset_t *os; 11003b2aab18SMatthew Ahrens int error; 11013b2aab18SMatthew Ahrens 110292241e0bSTom Erickson /* 110392241e0bSTom Erickson * Received properties are not distinguishable from local properties 110492241e0bSTom Erickson * until the dataset has received properties on or after 110592241e0bSTom Erickson * SPA_VERSION_RECVD_PROPS. 110692241e0bSTom Erickson */ 11073b2aab18SMatthew Ahrens dsl_prop_getflags_t flags = (dsl_prop_get_hasrecvd(dsname) ? 110892241e0bSTom Erickson DSL_PROP_GET_RECEIVED : DSL_PROP_GET_LOCAL); 11093b2aab18SMatthew Ahrens 11103b2aab18SMatthew Ahrens error = dmu_objset_hold(dsname, FTAG, &os); 11113b2aab18SMatthew Ahrens if (error != 0) 11123b2aab18SMatthew Ahrens return (error); 11133b2aab18SMatthew Ahrens error = dsl_prop_get_all_ds(os->os_dsl_dataset, nvp, flags); 11143b2aab18SMatthew Ahrens dmu_objset_rele(os, FTAG); 11153b2aab18SMatthew Ahrens return (error); 11167f7322feSeschrock } 1117a2eea2e1Sahrens 1118a2eea2e1Sahrens void 1119a2eea2e1Sahrens dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value) 1120a2eea2e1Sahrens { 1121a2eea2e1Sahrens nvlist_t *propval; 112292241e0bSTom Erickson const char *propname = zfs_prop_to_name(prop); 112392241e0bSTom Erickson uint64_t default_value; 112492241e0bSTom Erickson 112592241e0bSTom Erickson if (nvlist_lookup_nvlist(nv, propname, &propval) == 0) { 112692241e0bSTom Erickson VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, value) == 0); 112792241e0bSTom Erickson return; 112892241e0bSTom Erickson } 1129a2eea2e1Sahrens 1130a2eea2e1Sahrens VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1131990b4856Slling VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, value) == 0); 113292241e0bSTom Erickson /* Indicate the default source if we can. */ 113392241e0bSTom Erickson if (dodefault(propname, 8, 1, &default_value) == 0 && 113492241e0bSTom Erickson value == default_value) { 113592241e0bSTom Erickson VERIFY(nvlist_add_string(propval, ZPROP_SOURCE, "") == 0); 113692241e0bSTom Erickson } 113792241e0bSTom Erickson VERIFY(nvlist_add_nvlist(nv, propname, propval) == 0); 1138a2eea2e1Sahrens nvlist_free(propval); 1139a2eea2e1Sahrens } 1140a2eea2e1Sahrens 1141a2eea2e1Sahrens void 1142a2eea2e1Sahrens dsl_prop_nvlist_add_string(nvlist_t *nv, zfs_prop_t prop, const char *value) 1143a2eea2e1Sahrens { 1144a2eea2e1Sahrens nvlist_t *propval; 114592241e0bSTom Erickson const char *propname = zfs_prop_to_name(prop); 114692241e0bSTom Erickson 114792241e0bSTom Erickson if (nvlist_lookup_nvlist(nv, propname, &propval) == 0) { 114892241e0bSTom Erickson VERIFY(nvlist_add_string(propval, ZPROP_VALUE, value) == 0); 114992241e0bSTom Erickson return; 115092241e0bSTom Erickson } 1151a2eea2e1Sahrens 1152a2eea2e1Sahrens VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1153990b4856Slling VERIFY(nvlist_add_string(propval, ZPROP_VALUE, value) == 0); 115492241e0bSTom Erickson VERIFY(nvlist_add_nvlist(nv, propname, propval) == 0); 1155a2eea2e1Sahrens nvlist_free(propval); 1156a2eea2e1Sahrens } 1157