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 modify it
5  * under the terms of version 2 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, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11  *
12  * Further, this software is distributed without any warranty that it is
13  * free of the rightful claim of any third person regarding infringement
14  * or the like.  Any license provided herein, whether implied or
15  * otherwise, applies only to this software file.  Patent licenses, if
16  * any, provided herein do not apply to combinations of this program with
17  * other software, or any other product whatsoever.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write the Free Software Foundation, Inc., 59
21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22  *
23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24  * Mountain View, CA  94043, or:
25  *
26  * http://www.sgi.com
27  *
28  * For further information regarding this notice, see:
29  *
30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31  */
32 #ifndef __XFS_ITABLE_H__
33 #define	__XFS_ITABLE_H__
34 
35 /*
36  * xfs_bulkstat() is used to fill in xfs_bstat structures as well as dm_stat
37  * structures (by the dmi library). This is a pointer to a formatter function
38  * that will iget the inode and fill in the appropriate structure.
39  * see xfs_bulkstat_one() and xfs_dm_bulkstat_one() in dmapi_xfs.c
40  */
41 typedef int (*bulkstat_one_pf)(struct xfs_mount	*mp,
42 			       xfs_ino_t	ino,
43 			       void		__user *buffer,
44 			       int		ubsize,
45 			       void		*private_data,
46 			       xfs_daddr_t	bno,
47 			       int		*ubused,
48 			       void		*dip,
49 			       int		*stat);
50 
51 /*
52  * Values for stat return value.
53  */
54 #define	BULKSTAT_RV_NOTHING	0
55 #define	BULKSTAT_RV_DIDONE	1
56 #define	BULKSTAT_RV_GIVEUP	2
57 
58 /*
59  * Values for bulkstat flag argument.
60  */
61 #define	BULKSTAT_FG_IGET	0x1	/* Go through the buffer cache */
62 #define	BULKSTAT_FG_QUICK	0x2	/* No iget, walk the dinode cluster */
63 #define BULKSTAT_FG_VFSLOCKED	0x4	/* Already have vfs lock */
64 
65 /*
66  * Return stat information in bulk (by-inode) for the filesystem.
67  */
68 int					/* error status */
69 xfs_bulkstat(
70 	xfs_mount_t	*mp,		/* mount point for filesystem */
71 	xfs_ino_t	*lastino,	/* last inode returned */
72 	int		*count,		/* size of buffer/count returned */
73 	bulkstat_one_pf formatter,	/* func that'd fill a single buf */
74 	void		*private_data,	/* private data for formatter */
75 	size_t		statstruct_size,/* sizeof struct that we're filling */
76 	char		__user *ubuffer,/* buffer with inode stats */
77 	int		flags,		/* flag to control access method */
78 	int		*done);		/* 1 if there're more stats to get */
79 
80 int
81 xfs_bulkstat_single(
82 	xfs_mount_t		*mp,
83 	xfs_ino_t		*lastinop,
84 	char			__user *buffer,
85 	int			*done);
86 
87 int
88 xfs_bulkstat_one(
89 	xfs_mount_t		*mp,
90 	xfs_ino_t		ino,
91 	void			__user *buffer,
92 	int			ubsize,
93 	void			*private_data,
94 	xfs_daddr_t		bno,
95 	int			*ubused,
96 	void			*dibuff,
97 	int			*stat);
98 
99 int					/* error status */
100 xfs_inumbers(
101 	xfs_mount_t		*mp,	/* mount point for filesystem */
102 	xfs_ino_t		*last,	/* last inode returned */
103 	int			*count,	/* size of buffer/count returned */
104 	xfs_inogrp_t		__user *buffer);/* buffer with inode info */
105 
106 #endif	/* __XFS_ITABLE_H__ */
107