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X-CSE-ConnectionGUID: Rg79zB5lSKmy2oBCWhLTtw== X-CSE-MsgGUID: xjpIhTJtS8i9jCVGa4kjRA== X-IronPort-AV: E=McAfee;i="6800,10657,11859"; a="89660764" X-IronPort-AV: E=Sophos;i="6.25,190,1779174000"; d="scan'208";a="89660764" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2026 08:26:07 -0700 X-CSE-ConnectionGUID: ftXQV2zSRgqih8AqH+5X+w== X-CSE-MsgGUID: EH9OG5EqQu2mIujYlR9ESA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,190,1779174000"; d="scan'208";a="264032165" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by orviesa005.jf.intel.com with ESMTP; 28 Jul 2026 08:26:06 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wojgy-00000000eTf-0ms0; Tue, 28 Jul 2026 15:26:04 +0000 Date: Tue, 28 Jul 2026 23:25:41 +0800 From: kernel test robot To: Luis Chamberlain Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [mcgrof:blk-iobuf-pool-v5 8/9] drivers/nvme/host/ioctl.c:668:8: error: call to undeclared function 'blk_uring_cmd_alloc_iobuf'; ISO C99 and later do not support implicit function declarations Message-ID: <202607282300.TiDP3wkt-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git blk-iobuf-pool-v5 head: de80bacbf04a137715357b6a2948d9f29a18d990 commit: 7b61092440add7fbe6d72ae7ede11080113e193e [8/9] nvme: allocate pool-backed fixed buffers through namespace char devices config: hexagon-randconfig-001-20260728 (https://download.01.org/0day-ci/archive/20260728/202607282300.TiDP3wkt-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 890b11e09e45e9d8b29f2f94f22052be3934e757) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260728/202607282300.TiDP3wkt-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202607282300.TiDP3wkt-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/nvme/host/ioctl.c:668:8: error: call to undeclared function 'blk_uring_cmd_alloc_iobuf'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 668 | ret = blk_uring_cmd_alloc_iobuf(ioucmd, pool, buf_index, len, | ^ 1 error generated. vim +/blk_uring_cmd_alloc_iobuf +668 drivers/nvme/host/ioctl.c 649 650 static int nvme_ns_alloc_iobuf(struct nvme_ns *ns, struct io_uring_cmd *ioucmd, 651 unsigned int issue_flags) 652 { 653 const struct io_uring_sqe *sqe = ioucmd->sqe; 654 struct blk_iobuf_pool *pool; 655 u64 buf_index, len; 656 int ret; 657 658 if (READ_ONCE(sqe->ioprio) || READ_ONCE(sqe->__pad1) || 659 READ_ONCE(sqe->len) || READ_ONCE(sqe->rw_flags) || 660 READ_ONCE(sqe->file_index)) 661 return -EINVAL; 662 buf_index = READ_ONCE(sqe->addr); 663 len = READ_ONCE(sqe->addr3); 664 665 pool = blk_queue_get_iobuf_pool(ns->queue); 666 if (!pool) 667 return -EOPNOTSUPP; > 668 ret = blk_uring_cmd_alloc_iobuf(ioucmd, pool, buf_index, len, 669 issue_flags); 670 blk_iobuf_pool_put(pool); 671 return ret; 672 } 673 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki