[axboe-block:io_uring-handle 3/3] io_uring/openclose.c:587:9: error: use of undeclared identifier 'IOU_OK'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git io_uring-handle
head:   7a590a5963086085ce58fee4cdf920e8fdd049f4
commit: 7a590a5963086085ce58fee4cdf920e8fdd049f4 [3/3] io_uring: add support for IORING_OP_OPEN_BY_HANDLE
config: s390-randconfig-002-20250606 (https://download.01.org/0day-ci/archive/20250606/202506060420.OZdcUHlj-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250606/202506060420.OZdcUHlj-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506060420.OZdcUHlj-lkp@intel.com/

All errors (new ones prefixed by >>):

>> io_uring/openclose.c:587:9: error: use of undeclared identifier 'IOU_OK'
     587 |         return IOU_OK;
         |                ^
   1 error generated.


vim +/IOU_OK +587 io_uring/openclose.c

   555	
   556	int io_open_by_handle(struct io_kiocb *req, unsigned int issue_flags)
   557	{
   558		struct io_open_handle *h = io_kiocb_to_cmd(req, struct io_open_handle);
   559		const struct export_operations *eops;
   560		int ret;
   561	
   562		ret = get_path_from_fd(h->dirfd, &h->ctx.root);
   563		if (ret < 0)
   564			goto err;
   565	
   566		eops = h->ctx.root.mnt->mnt_sb->s_export_op;
   567		if (eops && eops->permission)
   568			ret = eops->permission(&h->ctx, h->open_flags);
   569		else
   570			ret = may_decode_fh(&h->ctx, h->open_flags);
   571		if (ret) {
   572			path_put(&h->ctx.root);
   573			goto err;
   574		}
   575	
   576		ret = __io_open_by_handle(req, issue_flags, eops);
   577		io_req_set_res(req, ret, 0);
   578		if (ret < 0) {
   579	err:
   580			req_set_fail(req);
   581			return ret;
   582		}
   583	
   584		kfree(req->async_data);
   585		req->async_data = NULL;
   586		req->flags &= ~REQ_F_ASYNC_DATA;
 > 587		return IOU_OK;

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