extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
-extern struct buffer_head *qnx4_getblk(struct inode *, int, int);
extern struct buffer_head *qnx4_bread(struct inode *, int, int);
extern struct inode_operations qnx4_file_inode_operations;
extern int qnx4_rmdir(struct inode *dir, struct dentry *dentry);
extern int qnx4_sync_file(struct file *file, struct dentry *dentry, int);
extern int qnx4_sync_inode(struct inode *inode);
-extern int qnx4_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh, int create);
static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
{