Hi Steffen, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.3-rc3 next-20190807] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Steffen-Maier/scsi-core-fix-missing-cleanup_rq-for-SCSI-hosts-without-request-batching/20190808-052017 config: riscv-defconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): drivers/scsi/scsi_lib.c:1824:3: error: 'const struct blk_mq_ops' has no member named 'cleanup_rq'; did you mean 'queue_rq'? .cleanup_rq = scsi_cleanup_rq, ^~~~~~~~~~ queue_rq drivers/scsi/scsi_lib.c:1824:16: error: 'scsi_cleanup_rq' undeclared here (not in a function); did you mean 'scsi_queue_rq'? .cleanup_rq = scsi_cleanup_rq, ^~~~~~~~~~~~~~~ scsi_queue_rq drivers/scsi/scsi_lib.c: In function 'scsi_device_from_queue': >> drivers/scsi/scsi_lib.c:1881:20: error: 'scsi_mq_ops_no_commit' undeclared (first use in this function); did you mean 'scsi_mq_ops'? if (q->mq_ops == &scsi_mq_ops_no_commit || ^~~~~~~~~~~~~~~~~~~~~ scsi_mq_ops drivers/scsi/scsi_lib.c:1881:20: note: each undeclared identifier is reported only once for each function it appears in vim +1881 drivers/scsi/scsi_lib.c 1811 1812 static const struct blk_mq_ops scsi_mq_ops = { 1813 .get_budget = scsi_mq_get_budget, 1814 .put_budget = scsi_mq_put_budget, 1815 .queue_rq = scsi_queue_rq, 1816 .complete = scsi_softirq_done, 1817 .timeout = scsi_timeout, 1818 #ifdef CONFIG_BLK_DEBUG_FS 1819 .show_rq = scsi_show_rq, 1820 #endif 1821 .init_request = scsi_mq_init_request, 1822 .exit_request = scsi_mq_exit_request, 1823 .initialize_rq_fn = scsi_initialize_rq, > 1824 .cleanup_rq = scsi_cleanup_rq, 1825 .busy = scsi_mq_lld_busy, 1826 .map_queues = scsi_map_queues, 1827 }; 1828 1829 struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev) 1830 { 1831 sdev->request_queue = blk_mq_init_queue(&sdev->host->tag_set); 1832 if (IS_ERR(sdev->request_queue)) 1833 return NULL; 1834 1835 sdev->request_queue->queuedata = sdev; 1836 __scsi_init_queue(sdev->host, sdev->request_queue); 1837 blk_queue_flag_set(QUEUE_FLAG_SCSI_PASSTHROUGH, sdev->request_queue); 1838 return sdev->request_queue; 1839 } 1840 1841 int scsi_mq_setup_tags(struct Scsi_Host *shost) 1842 { 1843 unsigned int cmd_size, sgl_size; 1844 1845 sgl_size = scsi_mq_inline_sgl_size(shost); 1846 cmd_size = sizeof(struct scsi_cmnd) + shost->hostt->cmd_size + sgl_size; 1847 if (scsi_host_get_prot(shost)) 1848 cmd_size += sizeof(struct scsi_data_buffer) + 1849 sizeof(struct scatterlist) * SCSI_INLINE_PROT_SG_CNT; 1850 1851 memset(&shost->tag_set, 0, sizeof(shost->tag_set)); 1852 shost->tag_set.ops = &scsi_mq_ops; 1853 shost->tag_set.nr_hw_queues = shost->nr_hw_queues ? : 1; 1854 shost->tag_set.queue_depth = shost->can_queue; 1855 shost->tag_set.cmd_size = cmd_size; 1856 shost->tag_set.numa_node = NUMA_NO_NODE; 1857 shost->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; 1858 shost->tag_set.flags |= 1859 BLK_ALLOC_POLICY_TO_MQ_FLAG(shost->hostt->tag_alloc_policy); 1860 shost->tag_set.driver_data = shost; 1861 1862 return blk_mq_alloc_tag_set(&shost->tag_set); 1863 } 1864 1865 void scsi_mq_destroy_tags(struct Scsi_Host *shost) 1866 { 1867 blk_mq_free_tag_set(&shost->tag_set); 1868 } 1869 1870 /** 1871 * scsi_device_from_queue - return sdev associated with a request_queue 1872 * @q: The request queue to return the sdev from 1873 * 1874 * Return the sdev associated with a request queue or NULL if the 1875 * request_queue does not reference a SCSI device. 1876 */ 1877 struct scsi_device *scsi_device_from_queue(struct request_queue *q) 1878 { 1879 struct scsi_device *sdev = NULL; 1880 > 1881 if (q->mq_ops == &scsi_mq_ops_no_commit || 1882 q->mq_ops == &scsi_mq_ops) 1883 sdev = q->queuedata; 1884 if (!sdev || !get_device(&sdev->sdev_gendev)) 1885 sdev = NULL; 1886 1887 return sdev; 1888 } 1889 EXPORT_SYMBOL_GPL(scsi_device_from_queue); 1890 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation