328 static void kernfs_vma_open(struct vm_area_struct *vma)  in kernfs_vma_open()  argument
330 	struct file *file = vma->vm_file;  in kernfs_vma_open()
340 		of->vm_ops->open(vma);  in kernfs_vma_open()
345 static int kernfs_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)  in kernfs_vma_fault()  argument
347 	struct file *file = vma->vm_file;  in kernfs_vma_fault()
359 		ret = of->vm_ops->fault(vma, vmf);  in kernfs_vma_fault()
365 static int kernfs_vma_page_mkwrite(struct vm_area_struct *vma,  in kernfs_vma_page_mkwrite()  argument
368 	struct file *file = vma->vm_file;  in kernfs_vma_page_mkwrite()
380 		ret = of->vm_ops->page_mkwrite(vma, vmf);  in kernfs_vma_page_mkwrite()
388 static int kernfs_vma_access(struct vm_area_struct *vma, unsigned long addr,  in kernfs_vma_access()  argument
391 	struct file *file = vma->vm_file;  in kernfs_vma_access()
403 		ret = of->vm_ops->access(vma, addr, buf, len, write);  in kernfs_vma_access()
410 static int kernfs_vma_set_policy(struct vm_area_struct *vma,  in kernfs_vma_set_policy()  argument
413 	struct file *file = vma->vm_file;  in kernfs_vma_set_policy()
425 		ret = of->vm_ops->set_policy(vma, new);  in kernfs_vma_set_policy()
431 static struct mempolicy *kernfs_vma_get_policy(struct vm_area_struct *vma,  in kernfs_vma_get_policy()  argument
434 	struct file *file = vma->vm_file;  in kernfs_vma_get_policy()
439 		return vma->vm_policy;  in kernfs_vma_get_policy()
442 		return vma->vm_policy;  in kernfs_vma_get_policy()
444 	pol = vma->vm_policy;  in kernfs_vma_get_policy()
446 		pol = of->vm_ops->get_policy(vma, addr);  in kernfs_vma_get_policy()
465 static int kernfs_fop_mmap(struct file *file, struct vm_area_struct *vma)  in kernfs_fop_mmap()  argument
488 	rc = ops->mmap(of, vma);  in kernfs_fop_mmap()
497 	if (vma->vm_file != file)  in kernfs_fop_mmap()
501 	if (of->mmapped && of->vm_ops != vma->vm_ops)  in kernfs_fop_mmap()
509 	if (vma->vm_ops && vma->vm_ops->close)  in kernfs_fop_mmap()
514 	of->vm_ops = vma->vm_ops;  in kernfs_fop_mmap()
515 	vma->vm_ops = &kernfs_vm_ops;  in kernfs_fop_mmap()