368 static int dax_open(struct inode *inode, struct file *filp)  in dax_open()  argument
370 	struct dax_device *dax_dev = inode_dax(inode);  in dax_open()
371 	struct inode *__dax_inode = dax_inode(dax_dev);  in dax_open()
375 	inode->i_mapping = __dax_inode->i_mapping;  in dax_open()
376 	inode->i_mapping->host = __dax_inode;  in dax_open()
377 	inode->i_mapping->a_ops = &dev_dax_aops;  in dax_open()
378 	filp->f_mapping = inode->i_mapping;  in dax_open()
381 	inode->i_flags = S_DAX;  in dax_open()
386 static int dax_release(struct inode *inode, struct file *filp)  in dax_release()  argument
419 	struct inode *inode;  in dev_dax_probe()  local
436 	inode = dax_inode(dax_dev);  in dev_dax_probe()
437 	cdev = inode->i_cdev;  in dev_dax_probe()