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xfs_itable.h
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1 /*
2  * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it would be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write the Free Software Foundation,
15  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
16  */
17 #ifndef __XFS_ITABLE_H__
18 #define __XFS_ITABLE_H__
19 
20 /*
21  * xfs_bulkstat() is used to fill in xfs_bstat structures as well as dm_stat
22  * structures (by the dmi library). This is a pointer to a formatter function
23  * that will iget the inode and fill in the appropriate structure.
24  * see xfs_bulkstat_one() and xfs_dm_bulkstat_one() in dmapi_xfs.c
25  */
26 typedef int (*bulkstat_one_pf)(struct xfs_mount *mp,
27  xfs_ino_t ino,
28  void __user *buffer,
29  int ubsize,
30  int *ubused,
31  int *stat);
32 
33 /*
34  * Values for stat return value.
35  */
36 #define BULKSTAT_RV_NOTHING 0
37 #define BULKSTAT_RV_DIDONE 1
38 #define BULKSTAT_RV_GIVEUP 2
39 
40 /*
41  * Return stat information in bulk (by-inode) for the filesystem.
42  */
43 int /* error status */
44 xfs_bulkstat(
45  xfs_mount_t *mp, /* mount point for filesystem */
46  xfs_ino_t *lastino, /* last inode returned */
47  int *count, /* size of buffer/count returned */
48  bulkstat_one_pf formatter, /* func that'd fill a single buf */
49  size_t statstruct_size,/* sizeof struct that we're filling */
50  char __user *ubuffer,/* buffer with inode stats */
51  int *done); /* 1 if there are more stats to get */
52 
53 int
54 xfs_bulkstat_single(
55  xfs_mount_t *mp,
56  xfs_ino_t *lastinop,
57  char __user *buffer,
58  int *done);
59 
60 typedef int (*bulkstat_one_fmt_pf)( /* used size in bytes or negative error */
61  void __user *ubuffer, /* buffer to write to */
62  int ubsize, /* remaining user buffer sz */
63  int *ubused, /* bytes used by formatter */
64  const xfs_bstat_t *buffer); /* buffer to read from */
65 
66 int
67 xfs_bulkstat_one_int(
68  xfs_mount_t *mp,
69  xfs_ino_t ino,
70  void __user *buffer,
71  int ubsize,
72  bulkstat_one_fmt_pf formatter,
73  int *ubused,
74  int *stat);
75 
76 int
77 xfs_bulkstat_one(
78  xfs_mount_t *mp,
79  xfs_ino_t ino,
80  void __user *buffer,
81  int ubsize,
82  int *ubused,
83  int *stat);
84 
85 typedef int (*inumbers_fmt_pf)(
86  void __user *ubuffer, /* buffer to write to */
87  const xfs_inogrp_t *buffer, /* buffer to read from */
88  long count, /* # of elements to read */
89  long *written); /* # of bytes written */
90 
91 int
92 xfs_inumbers_fmt(
93  void __user *ubuffer, /* buffer to write to */
94  const xfs_inogrp_t *buffer, /* buffer to read from */
95  long count, /* # of elements to read */
96  long *written); /* # of bytes written */
97 
98 int /* error status */
99 xfs_inumbers(
100  xfs_mount_t *mp, /* mount point for filesystem */
101  xfs_ino_t *last, /* last inode returned */
102  int *count, /* size of buffer/count returned */
103  void __user *buffer, /* buffer with inode info */
104  inumbers_fmt_pf formatter);
105 
106 #endif /* __XFS_ITABLE_H__ */
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