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/******************************************************************************
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
** Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
**
** This copyrighted material is made available to anyone wishing to use,
** modify, copy, or redistribute it subject to the terms and conditions
** of the GNU General Public License v.2.
**
*******************************************************************************
******************************************************************************/
#ifndef __FILE_DOT_H__
#define __FILE_DOT_H__
typedef int (*read_copy_fn_t) (struct buffer_head *bh, void **buf,
unsigned int offset, unsigned int size);
typedef int (*write_copy_fn_t) (struct gfs_inode *ip, struct buffer_head *bh,
void **buf, unsigned int offset,
unsigned int size, int new);
int gfs_copy2mem(struct buffer_head *bh, void **buf,
unsigned int offset, unsigned int size);
int gfs_copy2user(struct buffer_head *bh, void **buf,
unsigned int offset, unsigned int size);
int gfs_readi(struct gfs_inode *ip, void *buf, uint64_t offset,
unsigned int size, read_copy_fn_t copy_fn);
int gfs_copy_from_mem(struct gfs_inode *ip, struct buffer_head *bh, void **buf,
unsigned int offset, unsigned int size, int new);
int gfs_copy_from_user(struct gfs_inode *ip, struct buffer_head *bh, void **buf,
unsigned int offset, unsigned int size, int new);
int gfs_writei(struct gfs_inode *ip, void *buf, uint64_t offset,
unsigned int size, write_copy_fn_t copy_fn,
struct kiocb *iocb);
int gfs_zero_blocks(struct gfs_inode *ip, struct buffer_head *bh, void **buf,
unsigned int offset, unsigned int size, int new);
static __inline__ int
gfs_internal_read(struct gfs_inode *ip, char *buf, uint64_t offset,
unsigned int size)
{
return gfs_readi(ip, buf, offset, size, gfs_copy2mem);
}
static __inline__ int
gfs_internal_write(struct gfs_inode *ip, char *buf, uint64_t offset,
unsigned int size)
{
return gfs_writei(ip, buf, offset, size, gfs_copy_from_mem, NULL);
}
#endif /* __FILE_DOT_H__ */

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