[GitHub/mt8127/android_kernel_alcatel_ttab.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 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_unstuff_dinode(struct gfs2_inode *ip, gfs2_unstuffer_t unstuffer,
			void *private);

int gfs2_block_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, int *boundary);
int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *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__ */
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
	7	* of the GNU General Public License v.2.
	8	*/
	9
	10	#ifndef __BMAP_DOT_H__
	11	#define __BMAP_DOT_H__
	12
	13	typedef int (gfs2_unstuffer_t) (struct gfs2_inode ip,
	14	struct buffer_head * dibh, uint64_t block,
	15	void *private);
b3b94faa DT	16	int gfs2_unstuff_dinode(struct gfs2_inode *ip, gfs2_unstuffer_t unstuffer,
	17	void *private);
	18
fd88de56 SW	19	int gfs2_block_map(struct inode inode, u64 lblock, int new, u64 dblock, int boundary);
fd88de56 SW	20	int gfs2_extent_map(struct inode inode, u64 lblock, int new, u64 dblock, unsigned extlen);
b3b94faa	21
aa6a85a9	22	int gfs2_truncatei(struct gfs2_inode *ip, uint64_t size);
b3b94faa DT	23	int gfs2_truncatei_resume(struct gfs2_inode *ip);
	24	int gfs2_file_dealloc(struct gfs2_inode *ip);
	25
	26	void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
	27	unsigned int *data_blocks,
	28	unsigned int *ind_blocks);
	29	int gfs2_write_alloc_required(struct gfs2_inode *ip, uint64_t offset,
	30	unsigned int len, int *alloc_required);
	31
b3b94faa	32	#endif /* __BMAP_DOT_H__ */