[dm:for-next 30/30] drivers/md/dm-bufio.c:1342:13: error: implicit declaration of function 'block_to_sector'; did you mean 'blk_rq_sectors'?

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
head:   42dfec0984d6c084a33ec7997b2b792fd0fc628c
commit: 42dfec0984d6c084a33ec7997b2b792fd0fc628c [30/30] dm bufio: implement discard
config: x86_64-rhel (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        git checkout 42dfec0984d6c084a33ec7997b2b792fd0fc628c
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   drivers/md/dm-bufio.c: In function 'dm_bufio_issue_discard':
>> drivers/md/dm-bufio.c:1342:13: error: implicit declaration of function 'block_to_sector'; did you mean 'blk_rq_sectors'? [-Werror=implicit-function-declaration]
      .sector = block_to_sector(c, block),
                ^~~~~~~~~~~~~~~
                blk_rq_sectors
   cc1: some warnings being treated as errors

vim +1342 drivers/md/dm-bufio.c

  1327	
  1328	/*
  1329	 * Use dm-io to send a discard request to flush the device.
  1330	 */
  1331	int dm_bufio_issue_discard(struct dm_bufio_client *c, sector_t block, sector_t count)
  1332	{
  1333		struct dm_io_request io_req = {
  1334			.bi_op = REQ_OP_DISCARD,
  1335			.bi_op_flags = REQ_SYNC,
  1336			.mem.type = DM_IO_KMEM,
  1337			.mem.ptr.addr = NULL,
  1338			.client = c->dm_io,
  1339		};
  1340		struct dm_io_region io_reg = {
  1341			.bdev = c->bdev,
> 1342			.sector = block_to_sector(c, block),
  1343			.count = block_to_sector(c, count),
  1344		};
  1345	
  1346		BUG_ON(dm_bufio_in_request());
  1347	
  1348		return dm_io(&io_req, 1, &io_reg, NULL);
  1349	}
  1350	EXPORT_SYMBOL_GPL(dm_bufio_issue_discard);
  1351	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

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