fs/xfs/xfs_dfrag.h

   1 /*
   2  * Copyright (c) 2000 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_DFRAG_H__
  33 #define __XFS_DFRAG_H__
  34
  35 /*
  36  * Structure passed to xfs_swapext
  37  */
  38
  39 typedef struct xfs_swapext
  40 {
  41         __int64_t       sx_version;     /* version */
  42         __int64_t       sx_fdtarget;    /* fd of target file */
  43         __int64_t       sx_fdtmp;       /* fd of tmp file */
  44         xfs_off_t       sx_offset;      /* offset into file */
  45         xfs_off_t       sx_length;      /* leng from offset */
  46         char            sx_pad[16];     /* pad space, unused */
  47         xfs_bstat_t     sx_stat;        /* stat of target b4 copy */
  48 } xfs_swapext_t;
  49
  50 /*
  51  * Version flag
  52  */
  53 #define XFS_SX_VERSION          0
  54
  55 #ifdef __KERNEL__
  56 /*
  57  * Prototypes for visible xfs_dfrag.c routines.
  58  */
  59
  60 /*
  61  * Syscall interface for xfs_swapext
  62  */
  63 int     xfs_swapext(struct xfs_swapext __user *sx);
  64
  65 #endif  /* __KERNEL__ */
  66
  67 #endif  /* __XFS_DFRAG_H__ */