struct lock_class_key i_alloc_sem_key;
};
+extern int get_sb_ns(struct file_system_type *fs_type, int flags, void *data,
+ int (*fill_super)(struct super_block *, void *, int),
+ struct vfsmount *mnt);
extern int get_sb_bdev(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
int (*fill_super)(struct super_block *, void *, int),