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, unsigned int flags); 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 const struct inode_operations qnx4_dir_inode_operations; 31 extern const struct file_operations qnx4_dir_operations; 32 extern int qnx4_is_free(struct super_block *sb, long block); 33 34 static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb) 35 { 36 return sb->s_fs_info; 37 } 38 39 static inline struct qnx4_inode_info *qnx4_i(struct inode *inode) 40 { 41 return container_of(inode, struct qnx4_inode_info, vfs_inode); 42 } 43 44 static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode) 45 { 46 return &qnx4_i(inode)->raw; 47 } 48