root/fs/xfs/xfs_dfrag.h

INCLUDED FROM

/*
 * Copyright (c) 2000,2005 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_DFRAG_H__
#define __XFS_DFRAG_H__

/*
 * Structure passed to xfs_swapext
 */

typedef struct xfs_swapext
{
        __int64_t       sx_version;     /* version */
        __int64_t       sx_fdtarget;    /* fd of target file */
        __int64_t       sx_fdtmp;       /* fd of tmp file */
        xfs_off_t       sx_offset;      /* offset into file */
        xfs_off_t       sx_length;      /* leng from offset */
        char            sx_pad[16];     /* pad space, unused */
        xfs_bstat_t     sx_stat;        /* stat of target b4 copy */
} xfs_swapext_t;

/*
 * Version flag
 */
#define XFS_SX_VERSION          0

#ifdef __KERNEL__
/*
 * Prototypes for visible xfs_dfrag.c routines.
 */

/*
 * Syscall interface for xfs_swapext
 */
int     xfs_swapext(struct xfs_swapext __user *sx);

int     xfs_swap_extents(struct xfs_inode *ip, struct xfs_inode *tip,
                struct xfs_swapext *sxp);

#endif  /* __KERNEL__ */

#endif  /* __XFS_DFRAG_H__ */