extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,
unsigned long arg);
-/*
- * iomap support:
- */
-typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
- void *data, struct iomap *iomap);
-
-loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
- unsigned flags, const struct iomap_ops *ops, void *data,
- iomap_actor_t actor);
-
/* direct-io.c: */
int sb_init_dio_done_wq(struct super_block *sb);