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root/fs/xfs/xfs_itable.h

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/*
 * 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 */
        const xfs_bstat_t       *buffer);        /* buffer to read from */

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);

int
xfs_internal_inum(
        xfs_mount_t             *mp,
        xfs_ino_t               ino);

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__ */

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