279 static int __shm_open(struct shm_file_data *sfd)  in __shm_open()  argument
283 	shp = shm_lock(sfd->ns, sfd->id);  in __shm_open()
288 	if (shp->shm_file != sfd->file) {  in __shm_open()
305 	struct shm_file_data *sfd = shm_file_data(file);  in shm_open()  local
309 	if (sfd->vm_ops->open)  in shm_open()
310 		sfd->vm_ops->open(vma);  in shm_open()
312 	err = __shm_open(sfd);  in shm_open()
369 static void __shm_close(struct shm_file_data *sfd)  in __shm_close()  argument
372 	struct ipc_namespace *ns = sfd->ns;  in __shm_close()
376 	shp = shm_lock(ns, sfd->id);  in __shm_close()
399 	struct shm_file_data *sfd = shm_file_data(file);  in shm_close()  local
402 	if (sfd->vm_ops->close)  in shm_close()
403 		sfd->vm_ops->close(vma);  in shm_close()
405 	__shm_close(sfd);  in shm_close()
538 	struct shm_file_data *sfd = shm_file_data(file);  in shm_fault()  local
540 	return sfd->vm_ops->fault(vmf);  in shm_fault()
546 	struct shm_file_data *sfd = shm_file_data(file);  in shm_may_split()  local
548 	if (sfd->vm_ops->may_split)  in shm_may_split()
549 		return sfd->vm_ops->may_split(vma, addr);  in shm_may_split()
557 	struct shm_file_data *sfd = shm_file_data(file);  in shm_pagesize()  local
559 	if (sfd->vm_ops->pagesize)  in shm_pagesize()
560 		return sfd->vm_ops->pagesize(vma);  in shm_pagesize()
568 	struct shm_file_data *sfd = shm_file_data(vma->vm_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, mpol);  in shm_set_policy()
579 	struct shm_file_data *sfd = shm_file_data(vma->vm_file);  in shm_get_policy()  local
582 	if (sfd->vm_ops->get_policy)  in shm_get_policy()
583 		mpol = sfd->vm_ops->get_policy(vma, addr, ilx);  in shm_get_policy()
590 	struct shm_file_data *sfd = shm_file_data(file);  in shm_mmap()  local
598 	ret = __shm_open(sfd);  in shm_mmap()
602 	ret = call_mmap(sfd->file, vma);  in shm_mmap()
604 		__shm_close(sfd);  in shm_mmap()
607 	sfd->vm_ops = vma->vm_ops;  in shm_mmap()
609 	WARN_ON(!sfd->vm_ops->fault);  in shm_mmap()
617 	struct shm_file_data *sfd = shm_file_data(file);  in shm_release()  local
619 	put_ipc_ns(sfd->ns);  in shm_release()
620 	fput(sfd->file);  in shm_release()
622 	kfree(sfd);  in shm_release()
628 	struct shm_file_data *sfd = shm_file_data(file);  in shm_fsync()  local
630 	if (!sfd->file->f_op->fsync)  in shm_fsync()
632 	return sfd->file->f_op->fsync(sfd->file, start, end, datasync);  in shm_fsync()
638 	struct shm_file_data *sfd = shm_file_data(file);  in shm_fallocate()  local
640 	if (!sfd->file->f_op->fallocate)  in shm_fallocate()
642 	return sfd->file->f_op->fallocate(file, mode, offset, len);  in shm_fallocate()
649 	struct shm_file_data *sfd = shm_file_data(file);  in shm_get_unmapped_area()  local
651 	return sfd->file->f_op->get_unmapped_area(sfd->file, addr, len,  in shm_get_unmapped_area()
1526 	struct shm_file_data *sfd;  in do_shmat()  local
1616 	sfd = kzalloc(sizeof(*sfd), GFP_KERNEL);  in do_shmat()
1617 	if (!sfd) {  in do_shmat()
1628 		kfree(sfd);  in do_shmat()
1633 	sfd->id = shp->shm_perm.id;  in do_shmat()
1634 	sfd->ns = get_ipc_ns(ns);  in do_shmat()
1635 	sfd->file = base;  in do_shmat()
1636 	sfd->vm_ops = NULL;  in do_shmat()
1637 	file->private_data = sfd;  in do_shmat()