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Date:   Sat, 9 Jul 2022 14:19:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Pankaj Raghav <p.raghav@...sung.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [mcgrof-next:20220707-dm-zoned-npo2 10/13]
 drivers/md/dm-table.c:253:40: error: passing argument 1 of
 'bdev_is_zone_start' from incompatible pointer type

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20220707-dm-zoned-npo2
head:   3d1b6e41f76394610669e380da4f65bc5e7cf8ac
commit: d7a44aa426f271934d5539d39454ef3acc45f9d8 [10/13] dm-table: use bdev_is_zone_start helper in device_area_is_invalid()
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20220709/202207091412.HaT3RYs0-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=d7a44aa426f271934d5539d39454ef3acc45f9d8
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20220707-dm-zoned-npo2
        git checkout d7a44aa426f271934d5539d39454ef3acc45f9d8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/md/dm-table.c: In function 'device_area_is_invalid':
   drivers/md/dm-table.c:251:45: error: implicit declaration of function 'bdev_zone_sectors'; did you mean 'bdev_nr_sectors'? [-Werror=implicit-function-declaration]
     251 |                 unsigned int zone_sectors = bdev_zone_sectors(bdev);
         |                                             ^~~~~~~~~~~~~~~~~
         |                                             bdev_nr_sectors
>> drivers/md/dm-table.c:253:40: error: passing argument 1 of 'bdev_is_zone_start' from incompatible pointer type [-Werror=incompatible-pointer-types]
     253 |                 if (bdev_is_zone_start(bdev, start)) {
         |                                        ^~~~
         |                                        |
         |                                        struct block_device *
   In file included from include/linux/blk-mq.h:5,
                    from drivers/md/dm-core.h:14,
                    from drivers/md/dm-table.c:8:
   include/linux/blkdev.h:772:55: note: expected 'struct gendisk *' but argument is of type 'struct block_device *'
     772 | static inline bool bdev_is_zone_start(struct gendisk *disk, sector_t sec)
         |                                       ~~~~~~~~~~~~~~~~^~~~
   drivers/md/dm-table.c:270:40: error: passing argument 1 of 'bdev_is_zone_start' from incompatible pointer type [-Werror=incompatible-pointer-types]
     270 |                 if (bdev_is_zone_start(bdev, len)) {
         |                                        ^~~~
         |                                        |
         |                                        struct block_device *
   In file included from include/linux/blk-mq.h:5,
                    from drivers/md/dm-core.h:14,
                    from drivers/md/dm-table.c:8:
   include/linux/blkdev.h:772:55: note: expected 'struct gendisk *' but argument is of type 'struct block_device *'
     772 | static inline bool bdev_is_zone_start(struct gendisk *disk, sector_t sec)
         |                                       ~~~~~~~~~~~~~~~~^~~~
   cc1: some warnings being treated as errors


vim +/bdev_is_zone_start +253 drivers/md/dm-table.c

   220	
   221	/*
   222	 * If possible, this checks an area of a destination device is invalid.
   223	 */
   224	static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
   225					  sector_t start, sector_t len, void *data)
   226	{
   227		struct queue_limits *limits = data;
   228		struct block_device *bdev = dev->bdev;
   229		sector_t dev_size = bdev_nr_sectors(bdev);
   230		unsigned short logical_block_size_sectors =
   231			limits->logical_block_size >> SECTOR_SHIFT;
   232	
   233		if (!dev_size)
   234			return 0;
   235	
   236		if ((start >= dev_size) || (start + len > dev_size)) {
   237			DMWARN("%s: %pg too small for target: "
   238			       "start=%llu, len=%llu, dev_size=%llu",
   239			       dm_device_name(ti->table->md), bdev,
   240			       (unsigned long long)start,
   241			       (unsigned long long)len,
   242			       (unsigned long long)dev_size);
   243			return 1;
   244		}
   245	
   246		/*
   247		 * If the target is mapped to zoned block device(s), check
   248		 * that the zones are not partially mapped.
   249		 */
   250		if (bdev_is_zoned(bdev)) {
   251			unsigned int zone_sectors = bdev_zone_sectors(bdev);
   252	
 > 253			if (bdev_is_zone_start(bdev, start)) {
   254				DMWARN("%s: start=%llu not aligned to h/w zone size %u of %pg",
   255				       dm_device_name(ti->table->md),
   256				       (unsigned long long)start,
   257				       zone_sectors, bdev);
   258				return 1;
   259			}
   260	
   261			/*
   262			 * Note: The last zone of a zoned block device may be smaller
   263			 * than other zones. So for a target mapping the end of a
   264			 * zoned block device with such a zone, len would not be zone
   265			 * aligned. We do not allow such last smaller zone to be part
   266			 * of the mapping here to ensure that mappings with multiple
   267			 * devices do not end up with a smaller zone in the middle of
   268			 * the sector range.
   269			 */
   270			if (bdev_is_zone_start(bdev, len)) {
   271				DMWARN("%s: len=%llu not aligned to h/w zone size %u of %pg",
   272				       dm_device_name(ti->table->md),
   273				       (unsigned long long)len,
   274				       zone_sectors, bdev);
   275				return 1;
   276			}
   277		}
   278	
   279		if (logical_block_size_sectors <= 1)
   280			return 0;
   281	
   282		if (start & (logical_block_size_sectors - 1)) {
   283			DMWARN("%s: start=%llu not aligned to h/w "
   284			       "logical block size %u of %pg",
   285			       dm_device_name(ti->table->md),
   286			       (unsigned long long)start,
   287			       limits->logical_block_size, bdev);
   288			return 1;
   289		}
   290	
   291		if (len & (logical_block_size_sectors - 1)) {
   292			DMWARN("%s: len=%llu not aligned to h/w "
   293			       "logical block size %u of %pg",
   294			       dm_device_name(ti->table->md),
   295			       (unsigned long long)len,
   296			       limits->logical_block_size, bdev);
   297			return 1;
   298		}
   299	
   300		return 0;
   301	}
   302	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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