Re: [PATCH V3 2/5] ublk: implement NUMA-aware memory allocation

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

Hi Ming,

kernel test robot noticed the following build errors:

[auto build test ERROR on axboe-block/for-next]
[also build test ERROR on linus/master v6.18-rc3 next-20251029]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ming-Lei/ublk-reorder-tag_set-initialization-before-queue-allocation/20251029-111323
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
patch link:    https://lore.kernel.org/r/20251029031035.258766-3-ming.lei%40redhat.com
patch subject: [PATCH V3 2/5] ublk: implement NUMA-aware memory allocation
config: csky-randconfig-r054-20251030 (https://download.01.org/0day-ci/archive/20251030/202510301107.wrn8eeW8-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251030/202510301107.wrn8eeW8-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/202510301107.wrn8eeW8-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
>> drivers/block/ublk_drv.c:240:56: error: 'dev_info' undeclared here (not in a function); did you mean '_dev_info'?
     240 |         struct ublk_queue       *queues[] __counted_by(dev_info.nr_hw_queues);
         |                                                        ^~~~~~~~
   include/linux/compiler_types.h:346:71: note: in definition of macro '__counted_by'
     346 | # define __counted_by(member)           __attribute__((__counted_by__(member)))
         |                                                                       ^~~~~~
>> drivers/block/ublk_drv.c:240:34: error: 'counted_by' argument is not an identifier
     240 |         struct ublk_queue       *queues[] __counted_by(dev_info.nr_hw_queues);
         |                                  ^~~~~~


vim +240 drivers/block/ublk_drv.c

   208	
   209	struct ublk_device {
   210		struct gendisk		*ub_disk;
   211	
   212		struct ublksrv_ctrl_dev_info	dev_info;
   213	
   214		struct blk_mq_tag_set	tag_set;
   215	
   216		struct cdev		cdev;
   217		struct device		cdev_dev;
   218	
   219	#define UB_STATE_OPEN		0
   220	#define UB_STATE_USED		1
   221	#define UB_STATE_DELETED	2
   222		unsigned long		state;
   223		int			ub_number;
   224	
   225		struct mutex		mutex;
   226	
   227		spinlock_t		lock;
   228		struct mm_struct	*mm;
   229	
   230		struct ublk_params	params;
   231	
   232		struct completion	completion;
   233		u32			nr_io_ready;
   234		bool 			unprivileged_daemons;
   235		struct mutex cancel_mutex;
   236		bool canceling;
   237		pid_t 	ublksrv_tgid;
   238		struct delayed_work	exit_work;
   239	
 > 240		struct ublk_queue       *queues[] __counted_by(dev_info.nr_hw_queues);
   241	};
   242	

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