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 } 46