tree: git://git.infradead.org/users/hch/block.git bio-poll head: 82f07d9a4840e6b32c16f09eb13cc9f35dfec012 commit: 1cddcba54f697e136d5ad883741910a47b0b5415 [14/17] block: switch polling to be bio based config: i386-randconfig-m021-20210728 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce (this is a W=1 build): git remote add hch-block git://git.infradead.org/users/hch/block.git git fetch --no-tags hch-block bio-poll git checkout 1cddcba54f697e136d5ad883741910a47b0b5415 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): block/blk-exec.c: In function 'blk_rq_poll_completion': >> block/blk-exec.c:74:3: error: implicit declaration of function 'blk_poll'; did you mean 'bio_poll'? [-Werror=implicit-function-declaration] 74 | blk_poll(rq->q, request_to_qc_t(rq->mq_hctx, rq), 0); | ^~~~~~~~ | bio_poll >> block/blk-exec.c:74:19: error: implicit declaration of function 'request_to_qc_t' [-Werror=implicit-function-declaration] 74 | blk_poll(rq->q, request_to_qc_t(rq->mq_hctx, rq), 0); | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +74 block/blk-exec.c c01b5a814e7b28 Keith Busch 2021-06-10 70 c01b5a814e7b28 Keith Busch 2021-06-10 71 static void blk_rq_poll_completion(struct request *rq, struct completion *wait) c01b5a814e7b28 Keith Busch 2021-06-10 72 { c01b5a814e7b28 Keith Busch 2021-06-10 73 do { eba98c64b9805b Christoph Hellwig 2021-07-28 @74 blk_poll(rq->q, request_to_qc_t(rq->mq_hctx, rq), 0); c01b5a814e7b28 Keith Busch 2021-06-10 75 cond_resched(); c01b5a814e7b28 Keith Busch 2021-06-10 76 } while (!completion_done(wait)); c01b5a814e7b28 Keith Busch 2021-06-10 77 } c01b5a814e7b28 Keith Busch 2021-06-10 78 :::::: The code at line 74 was first introduced by commit :::::: eba98c64b9805b630e9d44d47082fa239a0c7cbe block: replace the spin argument to blk_iopoll with a flags argument :::::: TO: Christoph Hellwig :::::: CC: Christoph Hellwig --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org