original_kernel/fs/gfs2/bmap.h

36 lines
1.2 KiB
C

/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2005 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 __BMAP_DOT_H__
#define __BMAP_DOT_H__
typedef int (*gfs2_unstuffer_t) (struct gfs2_inode * ip,
struct buffer_head * dibh, uint64_t block,
void *private);
int gfs2_unstuffer_sync(struct gfs2_inode *ip, struct buffer_head *dibh,
uint64_t block, void *private);
int gfs2_unstuff_dinode(struct gfs2_inode *ip, gfs2_unstuffer_t unstuffer,
void *private);
int gfs2_block_map(struct gfs2_inode *ip,
uint64_t lblock, int *new,
uint64_t *dblock, uint32_t *extlen);
int gfs2_truncatei(struct gfs2_inode *ip, uint64_t size);
int gfs2_truncatei_resume(struct gfs2_inode *ip);
int gfs2_file_dealloc(struct gfs2_inode *ip);
void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
unsigned int *data_blocks,
unsigned int *ind_blocks);
int gfs2_write_alloc_required(struct gfs2_inode *ip, uint64_t offset,
unsigned int len, int *alloc_required);
#endif /* __BMAP_DOT_H__ */