kernel/fs/zfs/sys/zfs_stat.h

   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 */