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[mirror_ubuntu-zesty-kernel.git] / 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
12 struct qnx4_sb_info {
13 unsigned int Version; /* may be useful */
14 struct qnx4_inode_entry *BitMap; /* useful */
15 };
16
17 struct qnx4_inode_info {
18 struct qnx4_inode_entry raw;
19 loff_t mmu_private;
20 struct inode vfs_inode;
21 };
22
23 extern struct inode *qnx4_iget(struct super_block *, unsigned long);
24 extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags);
25 extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
26 extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
27
28 extern const struct inode_operations qnx4_dir_inode_operations;
29 extern const struct file_operations qnx4_dir_operations;
30 extern int qnx4_is_free(struct super_block *sb, long block);
31
32 static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
33 {
34 return sb->s_fs_info;
35 }
36
37 static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
38 {
39 return container_of(inode, struct qnx4_inode_info, vfs_inode);
40 }
41
42 static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
43 {
44 return &qnx4_i(inode)->raw;
45 }