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Project quota is a new ZFS system space/object usage accounting and enforcement mechanism. Similar as user/group quota, project quota is another dimension of system quota. It bases on the new object attribute - project ID. Project ID is a numerical value to indicate to which project an object belongs. An object only can belong to one project though you (the object owner or privileged user) can change the object project ID via 'chattr -p' or 'zfs project [-s] -p' explicitly. The object also can inherit the project ID from its parent when created if the parent has the project inherit flag (that can be set via 'chattr +P' or 'zfs project -s [-p]'). By accounting the spaces/objects belong to the same project, we can know how many spaces/objects used by the project. And if we set the upper limit then we can control the spaces/objects that are consumed by such project. It is useful when multiple groups and users cooperate for the same project, or a user/group needs to participate in multiple projects. Support the following commands and functionalities: zfs set projectquota@project zfs set projectobjquota@project zfs get projectquota@project zfs get projectobjquota@project zfs get projectused@project zfs get projectobjused@project zfs projectspace zfs allow projectquota zfs allow projectobjquota zfs allow projectused zfs allow projectobjused zfs unallow projectquota zfs unallow projectobjquota zfs unallow projectused zfs unallow projectobjused chattr +/-P chattr -p project_id lsattr -p This patch also supports tree quota based on the project quota via "zfs project" commands set as following: zfs project [-d|-r] <file|directory ...> zfs project -C [-k] [-r] <file|directory ...> zfs project -c [-0] [-d|-r] [-p id] <file|directory ...> zfs project [-p id] [-r] [-s] <file|directory ...> For "df [-i] $DIR" command, if we set INHERIT (project ID) flag on the $DIR, then the proejct [obj]quota and [obj]used values for the $DIR's project ID will be shown as the total/free (avail) resource. Keep the same behavior as EXT4/XFS does. Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by Ned Bass <bass6@llnl.gov> Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Fan Yong <fan.yong@intel.com> TEST_ZIMPORT_POOLS="zol-0.6.1 zol-0.6.2 master" Change-Id: Ib4f0544602e03fb61fd46a849d7ba51a6005693c Closes #6290
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
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* Copyright (c) 2013 by Delphix. All rights reserved.
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*/
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#ifndef _ZFS_DELEG_H
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#define _ZFS_DELEG_H
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#include <sys/fs/zfs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ZFS_DELEG_SET_NAME_CHR '@' /* set name lead char */
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#define ZFS_DELEG_FIELD_SEP_CHR '$' /* field separator */
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/*
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* Max name length for a delegation attribute
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*/
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#define ZFS_MAX_DELEG_NAME 128
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#define ZFS_DELEG_LOCAL 'l'
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#define ZFS_DELEG_DESCENDENT 'd'
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#define ZFS_DELEG_NA '-'
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typedef enum {
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ZFS_DELEG_NOTE_CREATE,
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ZFS_DELEG_NOTE_DESTROY,
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ZFS_DELEG_NOTE_SNAPSHOT,
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ZFS_DELEG_NOTE_ROLLBACK,
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ZFS_DELEG_NOTE_CLONE,
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ZFS_DELEG_NOTE_PROMOTE,
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ZFS_DELEG_NOTE_RENAME,
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ZFS_DELEG_NOTE_SEND,
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ZFS_DELEG_NOTE_RECEIVE,
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ZFS_DELEG_NOTE_ALLOW,
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ZFS_DELEG_NOTE_USERPROP,
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ZFS_DELEG_NOTE_MOUNT,
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ZFS_DELEG_NOTE_SHARE,
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ZFS_DELEG_NOTE_USERQUOTA,
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ZFS_DELEG_NOTE_GROUPQUOTA,
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ZFS_DELEG_NOTE_USERUSED,
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ZFS_DELEG_NOTE_GROUPUSED,
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ZFS_DELEG_NOTE_USEROBJQUOTA,
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ZFS_DELEG_NOTE_GROUPOBJQUOTA,
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ZFS_DELEG_NOTE_USEROBJUSED,
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ZFS_DELEG_NOTE_GROUPOBJUSED,
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ZFS_DELEG_NOTE_HOLD,
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ZFS_DELEG_NOTE_RELEASE,
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ZFS_DELEG_NOTE_DIFF,
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ZFS_DELEG_NOTE_BOOKMARK,
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ZFS_DELEG_NOTE_LOAD_KEY,
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ZFS_DELEG_NOTE_CHANGE_KEY,
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ZFS_DELEG_NOTE_PROJECTUSED,
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ZFS_DELEG_NOTE_PROJECTQUOTA,
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ZFS_DELEG_NOTE_PROJECTOBJUSED,
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ZFS_DELEG_NOTE_PROJECTOBJQUOTA,
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ZFS_DELEG_NOTE_NONE
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} zfs_deleg_note_t;
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typedef struct zfs_deleg_perm_tab {
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char *z_perm;
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zfs_deleg_note_t z_note;
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} zfs_deleg_perm_tab_t;
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extern zfs_deleg_perm_tab_t zfs_deleg_perm_tab[];
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int zfs_deleg_verify_nvlist(nvlist_t *nvlist);
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void zfs_deleg_whokey(char *attr, zfs_deleg_who_type_t type,
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char checkflag, void *data);
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const char *zfs_deleg_canonicalize_perm(const char *perm);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZFS_DELEG_H */
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