int zfs_userspace_one(zfs_sb_t *zsb, zfs_userquota_prop_t type, const char *domain, uint64_t rid, uint64_t *valp) { char buf[32]; int err; uint64_t obj; *valp = 0; if (!dmu_objset_userspace_present(zsb->z_os)) return (SET_ERROR(ENOTSUP)); obj = zfs_userquota_prop_to_obj(zsb, type); if (obj == 0) return (0); err = id_to_fuidstr(zsb, domain, rid, buf, B_FALSE); if (err) return (err); err = zap_lookup(zsb->z_os, obj, buf, 8, 1, valp); if (err == ENOENT) err = 0; return (err); }
int zfs_set_userquota(zfs_sb_t *zsb, zfs_userquota_prop_t type, const char *domain, uint64_t rid, uint64_t quota) { char buf[32]; int err; dmu_tx_t *tx; uint64_t *objp; boolean_t fuid_dirtied; if (type != ZFS_PROP_USERQUOTA && type != ZFS_PROP_GROUPQUOTA) return (SET_ERROR(EINVAL)); if (zsb->z_version < ZPL_VERSION_USERSPACE) return (SET_ERROR(ENOTSUP)); objp = (type == ZFS_PROP_USERQUOTA) ? &zsb->z_userquota_obj : &zsb->z_groupquota_obj; err = id_to_fuidstr(zsb, domain, rid, buf, B_TRUE); if (err) return (err); fuid_dirtied = zsb->z_fuid_dirty; tx = dmu_tx_create(zsb->z_os); dmu_tx_hold_zap(tx, *objp ? *objp : DMU_NEW_OBJECT, B_TRUE, NULL); if (*objp == 0) { dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_TRUE, zfs_userquota_prop_prefixes[type]); } if (fuid_dirtied) zfs_fuid_txhold(zsb, tx); err = dmu_tx_assign(tx, TXG_WAIT); if (err) { dmu_tx_abort(tx); return (err); } mutex_enter(&zsb->z_lock); if (*objp == 0) { *objp = zap_create(zsb->z_os, DMU_OT_USERGROUP_QUOTA, DMU_OT_NONE, 0, tx); VERIFY(0 == zap_add(zsb->z_os, MASTER_NODE_OBJ, zfs_userquota_prop_prefixes[type], 8, 1, objp, tx)); } mutex_exit(&zsb->z_lock); if (quota == 0) { err = zap_remove(zsb->z_os, *objp, buf, tx); if (err == ENOENT) err = 0; } else { err = zap_update(zsb->z_os, *objp, buf, 8, 1, "a, tx); } ASSERT(err == 0); if (fuid_dirtied) zfs_fuid_sync(zsb, tx); dmu_tx_commit(tx); return (err); }
int zfs_userspace_one(zfs_sb_t *zsb, zfs_userquota_prop_t type, const char *domain, uint64_t rid, uint64_t *valp) { char buf[20 + DMU_OBJACCT_PREFIX_LEN]; int offset = 0; int err; uint64_t obj; *valp = 0; if (!dmu_objset_userspace_present(zsb->z_os)) return (SET_ERROR(ENOTSUP)); if ((type == ZFS_PROP_USEROBJUSED || type == ZFS_PROP_GROUPOBJUSED || type == ZFS_PROP_USEROBJQUOTA || type == ZFS_PROP_GROUPOBJQUOTA) && !dmu_objset_userobjspace_present(zsb->z_os)) return (SET_ERROR(ENOTSUP)); obj = zfs_userquota_prop_to_obj(zsb, type); if (obj == ZFS_NO_OBJECT) return (0); if (type == ZFS_PROP_USEROBJUSED || type == ZFS_PROP_GROUPOBJUSED) { strlcpy(buf, DMU_OBJACCT_PREFIX, DMU_OBJACCT_PREFIX_LEN); offset = DMU_OBJACCT_PREFIX_LEN; } err = id_to_fuidstr(zsb, domain, rid, buf + offset, B_FALSE); if (err) return (err); err = zap_lookup(zsb->z_os, obj, buf, 8, 1, valp); if (err == ENOENT) err = 0; return (err); }