LXR linux/fs/xfs/xfs

   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_INLINE      0x4     /* No iget if inline attrs */
  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
  72typedef int (*bulkstat_one_fmt_pf)(  /* used size in bytes or negative error */
  73        void                    __user *ubuffer, /* buffer to write to */
  74        const xfs_bstat_t       *buffer);        /* buffer to read from */
  75
  76int
  77xfs_bulkstat_one(
  78        xfs_mount_t             *mp,
  79        xfs_ino_t               ino,
  80        void                    __user *buffer,
  81        int                     ubsize,
  82        void                    *private_data,
  83        xfs_daddr_t             bno,
  84        int                     *ubused,
  85        void                    *dibuff,
  86        int                     *stat);
  87
  88int
  89xfs_internal_inum(
  90        xfs_mount_t             *mp,
  91        xfs_ino_t               ino);
  92
  93typedef int (*inumbers_fmt_pf)(
  94        void                    __user *ubuffer, /* buffer to write to */
  95        const xfs_inogrp_t      *buffer,        /* buffer to read from */
  96        long                    count,          /* # of elements to read */
  97        long                    *written);      /* # of bytes written */
  98
  99int
 100xfs_inumbers_fmt(
 101        void                    __user *ubuffer, /* buffer to write to */
 102        const xfs_inogrp_t      *buffer,        /* buffer to read from */
 103        long                    count,          /* # of elements to read */
 104        long                    *written);      /* # of bytes written */
 105
 106int                                     /* error status */
 107xfs_inumbers(
 108        xfs_mount_t             *mp,    /* mount point for filesystem */
 109        xfs_ino_t               *last,  /* last inode returned */
 110        int                     *count, /* size of buffer/count returned */
 111        void                    __user *buffer, /* buffer with inode info */
 112        inumbers_fmt_pf         formatter);
 113
 114#endif  /* __XFS_ITABLE_H__ */
 115