diff options
Diffstat (limited to 'cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c')
-rw-r--r-- | cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c | 261 |
1 files changed, 186 insertions, 75 deletions
diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c index f387d65db112..234d2cd5bf97 100644 --- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c +++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c @@ -22,7 +22,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2013, Joyent, Inc. All rights reserved. - * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. * Copyright (c) 2012 DEY Storage Systems, Inc. All rights reserved. * Copyright (c) 2011-2012 Pawel Jakub Dawidek <pawel@dawidek.net>. * All rights reserved. @@ -890,7 +890,8 @@ zfs_which_resv_prop(zfs_handle_t *zhp, zfs_prop_t *resv_prop) */ nvlist_t * zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, - uint64_t zoned, zfs_handle_t *zhp, const char *errbuf) + uint64_t zoned, zfs_handle_t *zhp, zpool_handle_t *zpool_hdl, + const char *errbuf) { nvpair_t *elem; uint64_t intval; @@ -1084,8 +1085,8 @@ zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, case ZFS_PROP_RECORDSIZE: { int maxbs = SPA_MAXBLOCKSIZE; - if (zhp != NULL) { - maxbs = zpool_get_prop_int(zhp->zpool_hdl, + if (zpool_hdl != NULL) { + maxbs = zpool_get_prop_int(zpool_hdl, ZPOOL_PROP_MAXBLOCKSIZE, NULL); } /* @@ -1403,6 +1404,7 @@ zfs_add_synthetic_resv(zfs_handle_t *zhp, nvlist_t *nvl) uint64_t old_reservation; uint64_t new_reservation; zfs_prop_t resv_prop; + nvlist_t *props; /* * If this is an existing volume, and someone is setting the volsize, @@ -1412,16 +1414,25 @@ zfs_add_synthetic_resv(zfs_handle_t *zhp, nvlist_t *nvl) if (zfs_which_resv_prop(zhp, &resv_prop) < 0) return (-1); old_reservation = zfs_prop_get_int(zhp, resv_prop); - if ((zvol_volsize_to_reservation(old_volsize, zhp->zfs_props) != - old_reservation) || nvlist_lookup_uint64(nvl, - zfs_prop_to_name(resv_prop), &new_reservation) != ENOENT) { + + props = fnvlist_alloc(); + fnvlist_add_uint64(props, zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), + zfs_prop_get_int(zhp, ZFS_PROP_VOLBLOCKSIZE)); + + if ((zvol_volsize_to_reservation(old_volsize, props) != + old_reservation) || nvlist_exists(nvl, + zfs_prop_to_name(resv_prop))) { + fnvlist_free(props); return (0); } if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(ZFS_PROP_VOLSIZE), - &new_volsize) != 0) + &new_volsize) != 0) { + fnvlist_free(props); return (-1); - new_reservation = zvol_volsize_to_reservation(new_volsize, - zhp->zfs_props); + } + new_reservation = zvol_volsize_to_reservation(new_volsize, props); + fnvlist_free(props); + if (nvlist_add_uint64(nvl, zfs_prop_to_name(resv_prop), new_reservation) != 0) { (void) no_memory(zhp->zfs_hdl); @@ -1493,6 +1504,12 @@ zfs_setprop_error(libzfs_handle_t *hdl, zfs_prop_t prop, int err, "property setting is not allowed on " "bootable datasets")); (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); + } else if (prop == ZFS_PROP_CHECKSUM || + prop == ZFS_PROP_DEDUP) { + (void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "property setting is not allowed on " + "root pools")); + (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); } else { (void) zfs_standard_error(hdl, err, errbuf); } @@ -1528,15 +1545,10 @@ zfs_setprop_error(libzfs_handle_t *hdl, zfs_prop_t prop, int err, int zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) { - zfs_cmd_t zc = { 0 }; int ret = -1; - prop_changelist_t *cl = NULL; char errbuf[1024]; libzfs_handle_t *hdl = zhp->zfs_hdl; - nvlist_t *nvl = NULL, *realprops; - zfs_prop_t prop; - boolean_t do_prefix = B_TRUE; - int added_resv; + nvlist_t *nvl = NULL; (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), @@ -1548,79 +1560,149 @@ zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) goto error; } - if ((realprops = zfs_valid_proplist(hdl, zhp->zfs_type, nvl, - zfs_prop_get_int(zhp, ZFS_PROP_ZONED), zhp, errbuf)) == NULL) - goto error; + ret = zfs_prop_set_list(zhp, nvl); +error: nvlist_free(nvl); - nvl = realprops; + return (ret); +} - prop = zfs_name_to_prop(propname); - /* We don't support those properties on FreeBSD. */ - switch (prop) { - case ZFS_PROP_DEVICES: - case ZFS_PROP_ISCSIOPTIONS: - case ZFS_PROP_XATTR: - case ZFS_PROP_VSCAN: - case ZFS_PROP_NBMAND: - case ZFS_PROP_MLSLABEL: - (void) snprintf(errbuf, sizeof (errbuf), - "property '%s' not supported on FreeBSD", propname); - ret = zfs_error(hdl, EZFS_PERM, errbuf); - goto error; - } - if (prop == ZFS_PROP_VOLSIZE) { - if ((added_resv = zfs_add_synthetic_resv(zhp, nvl)) == -1) - goto error; - } +/* + * Given an nvlist of property names and values, set the properties for the + * given dataset. + */ +int +zfs_prop_set_list(zfs_handle_t *zhp, nvlist_t *props) +{ + zfs_cmd_t zc = { 0 }; + int ret = -1; + prop_changelist_t **cls = NULL; + int cl_idx; + char errbuf[1024]; + libzfs_handle_t *hdl = zhp->zfs_hdl; + nvlist_t *nvl; + int nvl_len; + int added_resv; - if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL) - goto error; + (void) snprintf(errbuf, sizeof (errbuf), + dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), + zhp->zfs_name); - if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) { - zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "child dataset with inherited mountpoint is used " - "in a non-global zone")); - ret = zfs_error(hdl, EZFS_ZONED, errbuf); + if ((nvl = zfs_valid_proplist(hdl, zhp->zfs_type, props, + zfs_prop_get_int(zhp, ZFS_PROP_ZONED), zhp, zhp->zpool_hdl, + errbuf)) == NULL) goto error; - } /* - * We don't want to unmount & remount the dataset when changing - * its canmount property to 'on' or 'noauto'. We only use - * the changelist logic to unmount when setting canmount=off. + * We have to check for any extra properties which need to be added + * before computing the length of the nvlist. */ - if (prop == ZFS_PROP_CANMOUNT) { - uint64_t idx; - int err = zprop_string_to_index(prop, propval, &idx, - ZFS_TYPE_DATASET); - if (err == 0 && idx != ZFS_CANMOUNT_OFF) - do_prefix = B_FALSE; + for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); + elem != NULL; + elem = nvlist_next_nvpair(nvl, elem)) { + if (zfs_name_to_prop(nvpair_name(elem)) == ZFS_PROP_VOLSIZE && + (added_resv = zfs_add_synthetic_resv(zhp, nvl)) == -1) { + goto error; + } } - - if (do_prefix && (ret = changelist_prefix(cl)) != 0) + /* + * Check how many properties we're setting and allocate an array to + * store changelist pointers for postfix(). + */ + nvl_len = 0; + for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); + elem != NULL; + elem = nvlist_next_nvpair(nvl, elem)) + nvl_len++; + if ((cls = calloc(nvl_len, sizeof (prop_changelist_t *))) == NULL) goto error; + cl_idx = 0; + for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); + elem != NULL; + elem = nvlist_next_nvpair(nvl, elem)) { + + zfs_prop_t prop = zfs_name_to_prop(nvpair_name(elem)); + + assert(cl_idx < nvl_len); + /* + * We don't want to unmount & remount the dataset when changing + * its canmount property to 'on' or 'noauto'. We only use + * the changelist logic to unmount when setting canmount=off. + */ + if (!(prop == ZFS_PROP_CANMOUNT && + fnvpair_value_uint64(elem) != ZFS_CANMOUNT_OFF)) { + cls[cl_idx] = changelist_gather(zhp, prop, 0, 0); + if (cls[cl_idx] == NULL) + goto error; + } + + if (prop == ZFS_PROP_MOUNTPOINT && + changelist_haszonedchild(cls[cl_idx])) { + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "child dataset with inherited mountpoint is used " + "in a non-global zone")); + ret = zfs_error(hdl, EZFS_ZONED, errbuf); + goto error; + } + + /* We don't support those properties on FreeBSD. */ + switch (prop) { + case ZFS_PROP_DEVICES: + case ZFS_PROP_ISCSIOPTIONS: + case ZFS_PROP_XATTR: + case ZFS_PROP_VSCAN: + case ZFS_PROP_NBMAND: + case ZFS_PROP_MLSLABEL: + (void) snprintf(errbuf, sizeof (errbuf), + "property '%s' not supported on FreeBSD", + nvpair_name(elem)); + ret = zfs_error(hdl, EZFS_PERM, errbuf); + goto error; + } + + if (cls[cl_idx] != NULL && + (ret = changelist_prefix(cls[cl_idx])) != 0) + goto error; + + cl_idx++; + } + assert(cl_idx == nvl_len); + /* - * Execute the corresponding ioctl() to set this property. + * Execute the corresponding ioctl() to set this list of properties. */ (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); - if (zcmd_write_src_nvlist(hdl, &zc, nvl) != 0) + if ((ret = zcmd_write_src_nvlist(hdl, &zc, nvl)) != 0 || + (ret = zcmd_alloc_dst_nvlist(hdl, &zc, 0)) != 0) goto error; ret = zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); if (ret != 0) { - zfs_setprop_error(hdl, prop, errno, errbuf); + /* Get the list of unset properties back and report them. */ + nvlist_t *errorprops = NULL; + if (zcmd_read_dst_nvlist(hdl, &zc, &errorprops) != 0) + goto error; + for (nvpair_t *elem = nvlist_next_nvpair(nvl, NULL); + elem != NULL; + elem = nvlist_next_nvpair(nvl, elem)) { + zfs_prop_t prop = zfs_name_to_prop(nvpair_name(elem)); + zfs_setprop_error(hdl, prop, errno, errbuf); + } + nvlist_free(errorprops); + if (added_resv && errno == ENOSPC) { /* clean up the volsize property we tried to set */ uint64_t old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); nvlist_free(nvl); + nvl = NULL; zcmd_free_nvlists(&zc); + if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) goto error; if (nvlist_add_uint64(nvl, @@ -1632,8 +1714,13 @@ zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) (void) zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); } } else { - if (do_prefix) - ret = changelist_postfix(cl); + for (cl_idx = 0; cl_idx < nvl_len; cl_idx++) { + if (cls[cl_idx] != NULL) { + int clp_err = changelist_postfix(cls[cl_idx]); + if (clp_err != 0) + ret = clp_err; + } + } /* * Refresh the statistics so the new property value @@ -1646,8 +1733,13 @@ zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) error: nvlist_free(nvl); zcmd_free_nvlists(&zc); - if (cl) - changelist_free(cl); + if (cls != NULL) { + for (cl_idx = 0; cl_idx < nvl_len; cl_idx++) { + if (cls[cl_idx] != NULL) + changelist_free(cls[cl_idx]); + } + free(cls); + } return (ret); } @@ -3164,9 +3256,23 @@ zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, else ost = DMU_OST_ZFS; + /* open zpool handle for prop validation */ + char pool_path[MAXNAMELEN]; + (void) strlcpy(pool_path, path, sizeof (pool_path)); + + /* truncate pool_path at first slash */ + char *p = strchr(pool_path, '/'); + if (p != NULL) + *p = '\0'; + + zpool_handle_t *zpool_handle = zpool_open(hdl, pool_path); + if (props && (props = zfs_valid_proplist(hdl, type, props, - zoned, NULL, errbuf)) == 0) + zoned, NULL, zpool_handle, errbuf)) == 0) { + zpool_close(zpool_handle); return (-1); + } + zpool_close(zpool_handle); if (type == ZFS_TYPE_VOLUME) { /* @@ -3234,13 +3340,6 @@ zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, "parent '%s' is not a filesystem"), parent); return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); - case EDOM: - zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, - "volume block size must be power of 2 from " - "512B to 128KB")); - - return (zfs_error(hdl, EZFS_BADPROP, errbuf)); - case ENOTSUP: zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be upgraded to set this " @@ -3435,7 +3534,7 @@ zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props) type = ZFS_TYPE_FILESYSTEM; } if ((props = zfs_valid_proplist(hdl, type, props, zoned, - zhp, errbuf)) == NULL) + zhp, zhp->zpool_hdl, errbuf)) == NULL) return (-1); } @@ -3579,11 +3678,23 @@ zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, nvlist_t *props) } } + /* + * get pool handle for prop validation. assumes all snaps are in the + * same pool, as does lzc_snapshot (below). + */ + char pool[MAXNAMELEN]; + elem = nvlist_next_nvpair(snaps, NULL); + (void) strlcpy(pool, nvpair_name(elem), sizeof (pool)); + pool[strcspn(pool, "/@")] = '\0'; + zpool_handle_t *zpool_hdl = zpool_open(hdl, pool); + if (props != NULL && (props = zfs_valid_proplist(hdl, ZFS_TYPE_SNAPSHOT, - props, B_FALSE, NULL, errbuf)) == NULL) { + props, B_FALSE, NULL, zpool_hdl, errbuf)) == NULL) { + zpool_close(zpool_hdl); return (-1); } + zpool_close(zpool_hdl); ret = lzc_snapshot(snaps, props, &errors); @@ -4197,7 +4308,7 @@ zfs_smb_acl_mgmt(libzfs_handle_t *hdl, char *dataset, char *path, if (cmd == ZFS_SMB_ACL_RENAME) { if (nvlist_alloc(&nvlist, NV_UNIQUE_NAME, 0) != 0) { (void) no_memory(hdl); - return (NULL); + return (0); } } |