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 
12 struct 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 
19 struct qnx4_inode_info {
20 	struct qnx4_inode_entry raw;
21 	loff_t mmu_private;
22 	struct inode vfs_inode;
23 };
24 
25 extern struct inode *qnx4_iget(struct super_block *, unsigned long);
26 extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd);
27 extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
28 extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
29 
30 extern struct buffer_head *qnx4_bread(struct inode *, int, int);
31 
32 extern const struct inode_operations qnx4_dir_inode_operations;
33 extern const struct file_operations qnx4_dir_operations;
34 extern int qnx4_is_free(struct super_block *sb, long block);
35 
qnx4_sb(struct super_block * sb)36 static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
37 {
38 	return sb->s_fs_info;
39 }
40 
qnx4_i(struct inode * inode)41 static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
42 {
43 	return container_of(inode, struct qnx4_inode_info, vfs_inode);
44 }
45 
qnx4_raw_inode(struct inode * inode)46 static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
47 {
48 	return &qnx4_i(inode)->raw;
49 }
50