Root/fs/qnx4/qnx4.h

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

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