278 static int __shm_open(struct shm_file_data *sfd)  in __shm_open()  argument
282 	shp = shm_lock(sfd->ns, sfd->id);  in __shm_open()
287 	if (shp->shm_file != sfd->file) {  in __shm_open()
304 	struct shm_file_data *sfd = shm_file_data(file);  in shm_open()  local
308 	if (sfd->vm_ops->open)  in shm_open()
309 		sfd->vm_ops->open(vma);  in shm_open()
311 	err = __shm_open(sfd);  in shm_open()
368 static void __shm_close(struct shm_file_data *sfd)  in __shm_close()  argument
371 	struct ipc_namespace *ns = sfd->ns;  in __shm_close()
375 	shp = shm_lock(ns, sfd->id);  in __shm_close()
398 	struct shm_file_data *sfd = shm_file_data(file);  in shm_close()  local
401 	if (sfd->vm_ops->close)  in shm_close()
402 		sfd->vm_ops->close(vma);  in shm_close()
404 	__shm_close(sfd);  in shm_close()
537 	struct shm_file_data *sfd = shm_file_data(file);  in shm_fault()  local
539 	return sfd->vm_ops->fault(vmf);  in shm_fault()
545 	struct shm_file_data *sfd = shm_file_data(file);  in shm_may_split()  local
547 	if (sfd->vm_ops->may_split)  in shm_may_split()
548 		return sfd->vm_ops->may_split(vma, addr);  in shm_may_split()
556 	struct shm_file_data *sfd = shm_file_data(file);  in shm_pagesize()  local
558 	if (sfd->vm_ops->pagesize)  in shm_pagesize()
559 		return sfd->vm_ops->pagesize(vma);  in shm_pagesize()
568 	struct shm_file_data *sfd = shm_file_data(file);  in shm_set_policy()  local
571 	if (sfd->vm_ops->set_policy)  in shm_set_policy()
572 		err = sfd->vm_ops->set_policy(vma, new);  in shm_set_policy()
580 	struct shm_file_data *sfd = shm_file_data(file);  in shm_get_policy()  local
583 	if (sfd->vm_ops->get_policy)  in shm_get_policy()
584 		pol = sfd->vm_ops->get_policy(vma, addr);  in shm_get_policy()
594 	struct shm_file_data *sfd = shm_file_data(file);  in shm_mmap()  local
602 	ret = __shm_open(sfd);  in shm_mmap()
606 	ret = call_mmap(sfd->file, vma);  in shm_mmap()
608 		__shm_close(sfd);  in shm_mmap()
611 	sfd->vm_ops = vma->vm_ops;  in shm_mmap()
613 	WARN_ON(!sfd->vm_ops->fault);  in shm_mmap()
621 	struct shm_file_data *sfd = shm_file_data(file);  in shm_release()  local
623 	put_ipc_ns(sfd->ns);  in shm_release()
624 	fput(sfd->file);  in shm_release()
626 	kfree(sfd);  in shm_release()
632 	struct shm_file_data *sfd = shm_file_data(file);  in shm_fsync()  local
634 	if (!sfd->file->f_op->fsync)  in shm_fsync()
636 	return sfd->file->f_op->fsync(sfd->file, start, end, datasync);  in shm_fsync()
642 	struct shm_file_data *sfd = shm_file_data(file);  in shm_fallocate()  local
644 	if (!sfd->file->f_op->fallocate)  in shm_fallocate()
646 	return sfd->file->f_op->fallocate(file, mode, offset, len);  in shm_fallocate()
653 	struct shm_file_data *sfd = shm_file_data(file);  in shm_get_unmapped_area()  local
655 	return sfd->file->f_op->get_unmapped_area(sfd->file, addr, len,  in shm_get_unmapped_area()
1534 	struct shm_file_data *sfd;  in do_shmat()  local
1624 	sfd = kzalloc(sizeof(*sfd), GFP_KERNEL);  in do_shmat()
1625 	if (!sfd) {  in do_shmat()
1636 		kfree(sfd);  in do_shmat()
1641 	sfd->id = shp->shm_perm.id;  in do_shmat()
1642 	sfd->ns = get_ipc_ns(ns);  in do_shmat()
1643 	sfd->file = base;  in do_shmat()
1644 	sfd->vm_ops = NULL;  in do_shmat()
1645 	file->private_data = sfd;  in do_shmat()