[linux-2.6-block.git] / fs / xfs / xfs_itable.h

/*
 * Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef __XFS_ITABLE_H__
#define	__XFS_ITABLE_H__

/*
 * xfs_bulkstat() is used to fill in xfs_bstat structures as well as dm_stat
 * structures (by the dmi library). This is a pointer to a formatter function
 * that will iget the inode and fill in the appropriate structure.
 * see xfs_bulkstat_one() and xfs_dm_bulkstat_one() in dmapi_xfs.c
 */
typedef int (*bulkstat_one_pf)(struct xfs_mount	*mp,
			       xfs_ino_t	ino,
			       void		__user *buffer,
			       int		ubsize,
			       void		*private_data,
			       xfs_daddr_t	bno,
			       int		*ubused,
			       void		*dip,
			       int		*stat);

/*
 * Values for stat return value.
 */
#define BULKSTAT_RV_NOTHING	0
#define BULKSTAT_RV_DIDONE	1
#define BULKSTAT_RV_GIVEUP	2

/*
 * Values for bulkstat flag argument.
 */
#define BULKSTAT_FG_IGET	0x1	/* Go through the buffer cache */
#define BULKSTAT_FG_QUICK	0x2	/* No iget, walk the dinode cluster */
#define BULKSTAT_FG_INLINE	0x4	/* No iget if inline attrs */

/*
 * Return stat information in bulk (by-inode) for the filesystem.
 */
int					/* error status */
xfs_bulkstat(
	xfs_mount_t	*mp,		/* mount point for filesystem */
	xfs_ino_t	*lastino,	/* last inode returned */
	int		*count,		/* size of buffer/count returned */
	bulkstat_one_pf formatter,	/* func that'd fill a single buf */
	void		*private_data,	/* private data for formatter */
	size_t		statstruct_size,/* sizeof struct that we're filling */
	char		__user *ubuffer,/* buffer with inode stats */
	int		flags,		/* flag to control access method */
	int		*done);		/* 1 if there are more stats to get */

int
xfs_bulkstat_single(
	xfs_mount_t		*mp,
	xfs_ino_t		*lastinop,
	char			__user *buffer,
	int			*done);

typedef int (*bulkstat_one_fmt_pf)(  /* used size in bytes or negative error */
	void			__user *ubuffer, /* buffer to write to */
	int			ubsize,		 /* remaining user buffer sz */
	int			*ubused,	 /* bytes used by formatter */
	const xfs_bstat_t	*buffer);        /* buffer to read from */

int
xfs_bulkstat_one_int(
	xfs_mount_t		*mp,
	xfs_ino_t		ino,
	void			__user *buffer,
	int			ubsize,
	bulkstat_one_fmt_pf	formatter,
	xfs_daddr_t		bno,
	int			*ubused,
	void			*dibuff,
	int			*stat);

int
xfs_bulkstat_one(
	xfs_mount_t		*mp,
	xfs_ino_t		ino,
	void			__user *buffer,
	int			ubsize,
	void			*private_data,
	xfs_daddr_t		bno,
	int			*ubused,
	void			*dibuff,
	int			*stat);

typedef int (*inumbers_fmt_pf)(
	void			__user *ubuffer, /* buffer to write to */
	const xfs_inogrp_t	*buffer,	/* buffer to read from */
	long			count,		/* # of elements to read */
	long			*written);	/* # of bytes written */

int
xfs_inumbers_fmt(
	void			__user *ubuffer, /* buffer to write to */
	const xfs_inogrp_t	*buffer,	/* buffer to read from */
	long			count,		/* # of elements to read */
	long			*written);	/* # of bytes written */

int					/* error status */
xfs_inumbers(
	xfs_mount_t		*mp,	/* mount point for filesystem */
	xfs_ino_t		*last,	/* last inode returned */
	int			*count,	/* size of buffer/count returned */
	void			__user *buffer, /* buffer with inode info */
	inumbers_fmt_pf		formatter);

#endif	/* __XFS_ITABLE_H__ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
	3	*
7b718769 NS	4	* This program is free software; you can redistribute it and/or
7b718769 NS	5	* modify it under the terms of the GNU General Public License as
1da177e4 LT	6	* published by the Free Software Foundation.
1da177e4 LT	7	*
7b718769 NS	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.
1da177e4	12	*
7b718769 NS	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
1da177e4 LT	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	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	*/
8b56f083 NS	39	#define BULKSTAT_RV_NOTHING 0
	40	#define BULKSTAT_RV_DIDONE 1
	41	#define BULKSTAT_RV_GIVEUP 2
1da177e4 LT	42
	43	/*
	44	* Values for bulkstat flag argument.
	45	*/
8b56f083 NS	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_INLINE 0x4 /* No iget if inline attrs */
1da177e4 LT	49
	50	/*
	51	* Return stat information in bulk (by-inode) for the filesystem.
	52	*/
	53	int /* error status */
	54	xfs_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 */
c41564b5	63	int done); / 1 if there are more stats to get */
1da177e4 LT	64
	65	int
	66	xfs_bulkstat_single(
	67	xfs_mount_t *mp,
	68	xfs_ino_t *lastinop,
	69	char __user *buffer,
	70	int *done);
	71
faa63e95 MM	72	typedef int (bulkstat_one_fmt_pf)( / used size in bytes or negative error */
faa63e95 MM	73	void __user ubuffer, / buffer to write to */
65fbaf24	74	int ubsize, /* remaining user buffer sz */
65fbaf24	75	int ubused, / bytes used by formatter */
faa63e95 MM	76	const xfs_bstat_t buffer); / buffer to read from */
faa63e95 MM	77
2ee4fa5c	78	int
	79	xfs_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
1da177e4 LT	90	int
	91	xfs_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
faa63e95 MM	102	typedef 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
	108	int
	109	xfs_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
1da177e4 LT	115	int /* error status */
	116	xfs_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 */
faa63e95 MM	120	void __user buffer, / buffer with inode info */
faa63e95 MM	121	inumbers_fmt_pf formatter);
1da177e4 LT	122
1da177e4 LT	123	#endif /* __XFS_ITABLE_H__ */