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 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__ */