fs/xfs/xfs_itable.h

   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  */
  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  */
  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
  49 /*
  50  * Return stat information in bulk (by-inode) for the filesystem.
  51  */
  52 int                                     /* error status */
  53 xfs_bulkstat(
  54         xfs_mount_t     *mp,            /* mount point for filesystem */
  55         xfs_ino_t       *lastino,       /* last inode returned */
  56         int             *count,         /* size of buffer/count returned */
  57         bulkstat_one_pf formatter,      /* func that'd fill a single buf */
  58         void            *private_data,  /* private data for formatter */
  59         size_t          statstruct_size,/* sizeof struct that we're filling */
  60         char            __user *ubuffer,/* buffer with inode stats */
  61         int             flags,          /* flag to control access method */
  62         int             *done);         /* 1 if there are more stats to get */
  63
  64 int
  65 xfs_bulkstat_single(
  66         xfs_mount_t             *mp,
  67         xfs_ino_t               *lastinop,
  68         char                    __user *buffer,
  69         int                     *done);
  70
  71 int
  72 xfs_bulkstat_one(
  73         xfs_mount_t             *mp,
  74         xfs_ino_t               ino,
  75         void                    __user *buffer,
  76         int                     ubsize,
  77         void                    *private_data,
  78         xfs_daddr_t             bno,
  79         int                     *ubused,
  80         void                    *dibuff,
  81         int                     *stat);
  82
  83 int                                     /* error status */
  84 xfs_inumbers(
  85         xfs_mount_t             *mp,    /* mount point for filesystem */
  86         xfs_ino_t               *last,  /* last inode returned */
  87         int                     *count, /* size of buffer/count returned */
  88         xfs_inogrp_t            __user *buffer);/* buffer with inode info */
  89
  90 #endif  /* __XFS_ITABLE_H__ */