Hi Keith, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on next-20230609] [cannot apply to linus/master v6.4-rc5] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Keith-Busch/block-add-request-polling-helper/20230610-044707 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20230609204517.493889-3-kbusch%40meta.com patch subject: [PATCHv2 2/2] nvme: improved uring polling config: riscv-randconfig-r015-20230608 (https://download.01.org/0day-ci/archive/20230610/202306100746.D72gucag-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git git fetch axboe-block for-next git checkout axboe-block/for-next b4 shazam https://lore.kernel.org/r/20230609204517.493889-3-kbusch@xxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/nvme/host/ 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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306100746.D72gucag-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/nvme/host/ioctl.c:546:2: error: expected expression else { ^ >> drivers/nvme/host/ioctl.c:555:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:638:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:648:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:679:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:708:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:722:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:733:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:744:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:769:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:779:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:884:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:912:1: error: function definition is not allowed here { ^ drivers/nvme/host/ioctl.c:946:1: error: function definition is not allowed here { ^ >> drivers/nvme/host/ioctl.c:974:2: error: expected '}' } ^ drivers/nvme/host/ioctl.c:532:1: note: to match this '{' { ^ 15 errors generated. vim +546 drivers/nvme/host/ioctl.c 529 530 static enum rq_end_io_ret nvme_uring_cmd_end_io_meta(struct request *req, 531 blk_status_t err) 532 { 533 struct io_uring_cmd *ioucmd = req->end_io_data; 534 struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd); 535 536 req->bio = pdu->bio; 537 pdu->req = req; 538 539 /* 540 * For iopoll, complete it directly. 541 * Otherwise, move the completion to task work. 542 */ 543 if (blk_rq_is_poll(req)) { 544 WRITE_ONCE(ioucmd->cookie, NULL); 545 nvme_uring_task_meta_cb(ioucmd, IO_URING_F_UNLOCKED); > 546 else { 547 io_uring_cmd_do_in_task_lazy(ioucmd, nvme_uring_task_meta_cb); 548 } 549 550 return RQ_END_IO_NONE; 551 } 552 553 static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns, 554 struct io_uring_cmd *ioucmd, unsigned int issue_flags, bool vec) > 555 { 556 struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd); 557 const struct nvme_uring_cmd *cmd = io_uring_sqe_cmd(ioucmd->sqe); 558 struct request_queue *q = ns ? ns->queue : ctrl->admin_q; 559 struct nvme_uring_data d; 560 struct nvme_command c; 561 struct request *req; 562 blk_opf_t rq_flags = REQ_ALLOC_CACHE; 563 blk_mq_req_flags_t blk_flags = 0; 564 void *meta = NULL; 565 int ret; 566 567 c.common.opcode = READ_ONCE(cmd->opcode); 568 c.common.flags = READ_ONCE(cmd->flags); 569 if (c.common.flags) 570 return -EINVAL; 571 572 c.common.command_id = 0; 573 c.common.nsid = cpu_to_le32(cmd->nsid); 574 if (!nvme_validate_passthru_nsid(ctrl, ns, le32_to_cpu(c.common.nsid))) 575 return -EINVAL; 576 577 c.common.cdw2[0] = cpu_to_le32(READ_ONCE(cmd->cdw2)); 578 c.common.cdw2[1] = cpu_to_le32(READ_ONCE(cmd->cdw3)); 579 c.common.metadata = 0; 580 c.common.dptr.prp1 = c.common.dptr.prp2 = 0; 581 c.common.cdw10 = cpu_to_le32(READ_ONCE(cmd->cdw10)); 582 c.common.cdw11 = cpu_to_le32(READ_ONCE(cmd->cdw11)); 583 c.common.cdw12 = cpu_to_le32(READ_ONCE(cmd->cdw12)); 584 c.common.cdw13 = cpu_to_le32(READ_ONCE(cmd->cdw13)); 585 c.common.cdw14 = cpu_to_le32(READ_ONCE(cmd->cdw14)); 586 c.common.cdw15 = cpu_to_le32(READ_ONCE(cmd->cdw15)); 587 588 if (!nvme_cmd_allowed(ns, &c, 0, ioucmd->file->f_mode)) 589 return -EACCES; 590 591 d.metadata = READ_ONCE(cmd->metadata); 592 d.addr = READ_ONCE(cmd->addr); 593 d.data_len = READ_ONCE(cmd->data_len); 594 d.metadata_len = READ_ONCE(cmd->metadata_len); 595 d.timeout_ms = READ_ONCE(cmd->timeout_ms); 596 597 if (issue_flags & IO_URING_F_NONBLOCK) { 598 rq_flags |= REQ_NOWAIT; 599 blk_flags = BLK_MQ_REQ_NOWAIT; 600 } 601 if (issue_flags & IO_URING_F_IOPOLL) 602 rq_flags |= REQ_POLLED; 603 604 req = nvme_alloc_user_request(q, &c, rq_flags, blk_flags); 605 if (IS_ERR(req)) 606 return PTR_ERR(req); 607 req->timeout = d.timeout_ms ? msecs_to_jiffies(d.timeout_ms) : 0; 608 609 if (d.addr && d.data_len) { 610 ret = nvme_map_user_request(req, d.addr, 611 d.data_len, nvme_to_user_ptr(d.metadata), 612 d.metadata_len, 0, &meta, ioucmd, vec); 613 if (ret) 614 return ret; 615 } 616 617 if (blk_rq_is_poll(req)) { 618 ioucmd->flags |= IORING_URING_CMD_POLLED; 619 WRITE_ONCE(ioucmd->cookie, req); 620 } 621 622 /* to free bio on completion, as req->bio will be null at that time */ 623 pdu->bio = req->bio; 624 pdu->meta_len = d.metadata_len; 625 req->end_io_data = ioucmd; 626 if (pdu->meta_len) { 627 pdu->u.meta = meta; 628 pdu->u.meta_buffer = nvme_to_user_ptr(d.metadata); 629 req->end_io = nvme_uring_cmd_end_io_meta; 630 } else { 631 req->end_io = nvme_uring_cmd_end_io; 632 } 633 blk_execute_rq_nowait(req, false); 634 return -EIOCBQUEUED; 635 } 636 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki