b3b94faa5f
This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
52 lines
1.9 KiB
C
52 lines
1.9 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 __FILE_DOT_H__
|
|
#define __FILE_DOT_H__
|
|
|
|
int gfs2_jdata_get_buffer(struct gfs2_inode *ip, uint64_t block, int new,
|
|
struct buffer_head **bhp);
|
|
|
|
typedef int (*read_copy_fn_t) (struct buffer_head *bh, char **buf,
|
|
unsigned int offset, unsigned int size);
|
|
typedef int (*write_copy_fn_t) (struct gfs2_inode *ip,
|
|
struct buffer_head *bh, const char **buf,
|
|
unsigned int offset, unsigned int size);
|
|
|
|
int gfs2_copy2mem(struct buffer_head *bh, char **buf,
|
|
unsigned int offset, unsigned int size);
|
|
int gfs2_copy2user(struct buffer_head *bh, char __user **buf,
|
|
unsigned int offset, unsigned int size);
|
|
int gfs2_jdata_read(struct gfs2_inode *ip, char __user *buf,
|
|
uint64_t offset, unsigned int size,
|
|
read_copy_fn_t copy_fn);
|
|
|
|
int gfs2_copy_from_mem(struct gfs2_inode *ip,
|
|
struct buffer_head *bh, const char **buf,
|
|
unsigned int offset, unsigned int size);
|
|
int gfs2_copy_from_user(struct gfs2_inode *ip,
|
|
struct buffer_head *bh, const char __user **buf,
|
|
unsigned int offset, unsigned int size);
|
|
int gfs2_jdata_write(struct gfs2_inode *ip, const char __user *buf,
|
|
uint64_t offset, unsigned int size,
|
|
write_copy_fn_t copy_fn);
|
|
|
|
static inline int gfs2_jdata_read_mem(struct gfs2_inode *ip, char *buf,
|
|
uint64_t offset, unsigned int size)
|
|
{
|
|
return gfs2_jdata_read(ip, (__force char __user *)buf, offset, size, gfs2_copy2mem);
|
|
}
|
|
|
|
static inline int gfs2_jdata_write_mem(struct gfs2_inode *ip, const char *buf,
|
|
uint64_t offset, unsigned int size)
|
|
{
|
|
return gfs2_jdata_write(ip, (__force const char __user *)buf, offset, size, gfs2_copy_from_mem);
|
|
}
|
|
|
|
#endif /* __FILE_DOT_H__ */
|