[linux-2.6-block.git] / fs / gfs2 / bmap.h

/*
 * 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 version 2.
 */

#ifndef __BMAP_DOT_H__
#define __BMAP_DOT_H__

struct inode;
struct gfs2_inode;
struct page;

int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page);
int gfs2_block_map(struct inode *inode, sector_t lblock, struct buffer_head *bh, int create);
int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen);

int gfs2_truncatei(struct gfs2_inode *ip, u64 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, u64 offset,
			      unsigned int len, int *alloc_required);

#endif /* __BMAP_DOT_H__ */
Commit	Line	Data
b3b94faa DT	1	/*
b3b94faa DT	2	* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3a8a9a10	3	* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
b3b94faa DT	4	*
	5	* This copyrighted material is made available to anyone wishing to use,
	6	* modify, copy, or redistribute it subject to the terms and conditions
e9fc2aa0	7	* of the GNU General Public License version 2.
b3b94faa DT	8	*/
	9
	10	#ifndef __BMAP_DOT_H__
	11	#define __BMAP_DOT_H__
	12
f2f7ba52 SW	13	struct inode;
	14	struct gfs2_inode;
	15	struct page;
	16
f25ef0c1	17	int gfs2_unstuff_dinode(struct gfs2_inode ip, struct page page);
e9e1ef2b	18	int gfs2_block_map(struct inode inode, sector_t lblock, struct buffer_head bh, int create);
fd88de56	19	int gfs2_extent_map(struct inode inode, u64 lblock, int new, u64 dblock, unsigned extlen);
b3b94faa	20
cd915493	21	int gfs2_truncatei(struct gfs2_inode *ip, u64 size);
b3b94faa DT	22	int gfs2_truncatei_resume(struct gfs2_inode *ip);
	23	int gfs2_file_dealloc(struct gfs2_inode *ip);
	24
	25	void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
	26	unsigned int *data_blocks,
	27	unsigned int *ind_blocks);
cd915493	28	int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
b3b94faa DT	29	unsigned int len, int *alloc_required);
b3b94faa DT	30
b3b94faa	31	#endif /* __BMAP_DOT_H__ */