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
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