xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/zfs_stat.h (revision 6a634c9dca3093f3922e4b7ab826d7bdf17bf78e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #ifndef	_SYS_FS_ZFS_STAT_H
26 #define	_SYS_FS_ZFS_STAT_H
27 
28 #ifdef _KERNEL
29 #include <sys/isa_defs.h>
30 #include <sys/types32.h>
31 #include <sys/dmu.h>
32 #endif
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 /*
39  * A limited number of zpl level stats are retrievable
40  * with an ioctl.  zfs diff is the current consumer.
41  */
42 typedef struct zfs_stat {
43 	uint64_t	zs_gen;
44 	uint64_t	zs_mode;
45 	uint64_t	zs_links;
46 	uint64_t	zs_ctime[2];
47 } zfs_stat_t;
48 
49 extern int zfs_obj_to_stats(objset_t *osp, uint64_t obj, zfs_stat_t *sb,
50     char *buf, int len);
51 
52 #ifdef	__cplusplus
53 }
54 #endif
55 
56 #endif	/* _SYS_FS_ZFS_STAT_H */
57