1#include <linux/fs.h>
2#include <linux/qnx4_fs.h>
3
4#define QNX4_DEBUG 0
5
6#if QNX4_DEBUG
7#define QNX4DEBUG(X) printk X
8#else
9#define QNX4DEBUG(X) (void) 0
10#endif
11
12struct qnx4_sb_info {
13	struct buffer_head	*sb_buf;	/* superblock buffer */
14	struct qnx4_super_block	*sb;		/* our superblock */
15	unsigned int		Version;	/* may be useful */
16	struct qnx4_inode_entry	*BitMap;	/* useful */
17};
18
19struct qnx4_inode_info {
20	struct qnx4_inode_entry raw;
21	loff_t mmu_private;
22	struct inode vfs_inode;
23};
24
25extern struct inode *qnx4_iget(struct super_block *, unsigned long);
26extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd);
27extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
28extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
29
30extern struct buffer_head *qnx4_bread(struct inode *, int, int);
31
32extern const struct inode_operations qnx4_dir_inode_operations;
33extern const struct file_operations qnx4_dir_operations;
34extern int qnx4_is_free(struct super_block *sb, long block);
35
36static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
37{
38	return sb->s_fs_info;
39}
40
41static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
42{
43	return container_of(inode, struct qnx4_inode_info, vfs_inode);
44}
45
46static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
47{
48	return &qnx4_i(inode)->raw;
49}
50