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 */
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 */
39#define	BULKSTAT_RV_NOTHING	0
40#define	BULKSTAT_RV_DIDONE	1
41#define	BULKSTAT_RV_GIVEUP	2
42
43/*
44 * Values for bulkstat flag argument.
45 */
46#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_VFSLOCKED	0x4	/* Already have vfs lock */
49
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 */
63	int		*done);		/* 1 if there are more stats to get */
64
65int
66xfs_bulkstat_single(
67	xfs_mount_t		*mp,
68	xfs_ino_t		*lastinop,
69	char			__user *buffer,
70	int			*done);
71
72int
73xfs_bulkstat_one(
74	xfs_mount_t		*mp,
75	xfs_ino_t		ino,
76	void			__user *buffer,
77	int			ubsize,
78	void			*private_data,
79	xfs_daddr_t		bno,
80	int			*ubused,
81	void			*dibuff,
82	int			*stat);
83
84int					/* error status */
85xfs_inumbers(
86	xfs_mount_t		*mp,	/* mount point for filesystem */
87	xfs_ino_t		*last,	/* last inode returned */
88	int			*count,	/* size of buffer/count returned */
89	xfs_inogrp_t		__user *buffer);/* buffer with inode info */
90
91#endif	/* __XFS_ITABLE_H__ */
92