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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
3 *
Nathan Scott7b718762005-11-02 14:58:39 +11004 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 * published by the Free Software Foundation.
7 *
Nathan Scott7b718762005-11-02 14:58:39 +11008 * 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070012 *
Nathan Scott7b718762005-11-02 14:58:39 +110013 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070016 */
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 */
26typedef int (*bulkstat_one_pf)(struct xfs_mount *mp,
27 xfs_ino_t ino,
28 void __user *buffer,
29 int ubsize,
30 void *private_data,
31 xfs_daddr_t bno,
32 int *ubused,
33 void *dip,
34 int *stat);
35
36/*
37 * Values for stat return value.
38 */
Nathan Scott8b56f082006-09-28 11:01:46 +100039#define BULKSTAT_RV_NOTHING 0
40#define BULKSTAT_RV_DIDONE 1
41#define BULKSTAT_RV_GIVEUP 2
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43/*
44 * Values for bulkstat flag argument.
45 */
Nathan Scott8b56f082006-09-28 11:01:46 +100046#define BULKSTAT_FG_IGET 0x1 /* Go through the buffer cache */
47#define BULKSTAT_FG_QUICK 0x2 /* No iget, walk the dinode cluster */
48#define BULKSTAT_FG_INLINE 0x4 /* No iget if inline attrs */
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
50/*
51 * Return stat information in bulk (by-inode) for the filesystem.
52 */
53int /* error status */
54xfs_bulkstat(
55 xfs_mount_t *mp, /* mount point for filesystem */
56 xfs_ino_t *lastino, /* last inode returned */
57 int *count, /* size of buffer/count returned */
58 bulkstat_one_pf formatter, /* func that'd fill a single buf */
59 void *private_data, /* private data for formatter */
60 size_t statstruct_size,/* sizeof struct that we're filling */
61 char __user *ubuffer,/* buffer with inode stats */
62 int flags, /* flag to control access method */
Nathan Scottc41564b2006-03-29 08:55:14 +100063 int *done); /* 1 if there are more stats to get */
Linus Torvalds1da177e2005-04-16 15:20:36 -070064
65int
66xfs_bulkstat_single(
67 xfs_mount_t *mp,
68 xfs_ino_t *lastinop,
69 char __user *buffer,
70 int *done);
71
Michal Marekfaa63e92007-07-11 11:10:19 +100072typedef int (*bulkstat_one_fmt_pf)( /* used size in bytes or negative error */
73 void __user *ubuffer, /* buffer to write to */
sandeen@sandeen.net65fbaf22008-11-25 21:20:12 -060074 int ubsize, /* remaining user buffer sz */
75 int *ubused, /* bytes used by formatter */
Michal Marekfaa63e92007-07-11 11:10:19 +100076 const xfs_bstat_t *buffer); /* buffer to read from */
77
Linus Torvalds1da177e2005-04-16 15:20:36 -070078int
sandeen@sandeen.net2ee4fa52008-11-25 21:20:11 -060079xfs_bulkstat_one_int(
80 xfs_mount_t *mp,
81 xfs_ino_t ino,
82 void __user *buffer,
83 int ubsize,
84 bulkstat_one_fmt_pf formatter,
85 xfs_daddr_t bno,
86 int *ubused,
87 void *dibuff,
88 int *stat);
89
90int
Linus Torvalds1da177e2005-04-16 15:20:36 -070091xfs_bulkstat_one(
92 xfs_mount_t *mp,
93 xfs_ino_t ino,
94 void __user *buffer,
95 int ubsize,
96 void *private_data,
97 xfs_daddr_t bno,
98 int *ubused,
99 void *dibuff,
100 int *stat);
101
Michal Marekfaa63e92007-07-11 11:10:19 +1000102typedef int (*inumbers_fmt_pf)(
103 void __user *ubuffer, /* buffer to write to */
104 const xfs_inogrp_t *buffer, /* buffer to read from */
105 long count, /* # of elements to read */
106 long *written); /* # of bytes written */
107
108int
109xfs_inumbers_fmt(
110 void __user *ubuffer, /* buffer to write to */
111 const xfs_inogrp_t *buffer, /* buffer to read from */
112 long count, /* # of elements to read */
113 long *written); /* # of bytes written */
114
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115int /* error status */
116xfs_inumbers(
117 xfs_mount_t *mp, /* mount point for filesystem */
118 xfs_ino_t *last, /* last inode returned */
119 int *count, /* size of buffer/count returned */
Michal Marekfaa63e92007-07-11 11:10:19 +1000120 void __user *buffer, /* buffer with inode info */
121 inumbers_fmt_pf formatter);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
123#endif /* __XFS_ITABLE_H__ */