tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ceph-fscrypt head: adf69efebc954db1aa7af7b93febbc2a1b51dc6c commit: adf69efebc954db1aa7af7b93febbc2a1b51dc6c [57/57] libceph: define a structure to track SPARSE_READ reply processing config: i386-randconfig-a015 (https://download.01.org/0day-ci/archive/20220211/202202111558.NeRjba8E-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f6685f774697c85d6a352dcea013f46a99f9fe31) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/... git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git git fetch --no-tags jlayton ceph-fscrypt git checkout adf69efebc954db1aa7af7b93febbc2a1b51dc6c # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): net/ceph/messenger_v2.c:1783:37: warning: declaration of 'struct cepn_connection' will not be visible outside of this function [-Wvisibility] static int prepare_read_data(struct cepn_connection *con) ^ con->in_data_crc = -1; ~~~^ net/ceph/messenger_v2.c:1783:37: note: forward declaration of 'struct cepn_connection' static int prepare_read_data(struct cepn_connection *con) ^ net/ceph/messenger_v2.c:1788:47: error: incomplete definition of type 'struct cepn_connection' ret = prepare_read_data_len(con, data_len(con->in_msg)); ~~~^ net/ceph/messenger_v2.c:1783:37: note: forward declaration of 'struct cepn_connection' static int prepare_read_data(struct cepn_connection *con) ^ net/ceph/messenger_v2.c:1790:6: error: incomplete definition of type 'struct cepn_connection' con->v2.in_state = IN_S_PREPARE_READ_DATA_CONT; ~~~^ net/ceph/messenger_v2.c:1783:37: note: forward declaration of 'struct cepn_connection' static int prepare_read_data(struct cepn_connection *con) ^ if (!iov_iter_is_bvec(iter)) ^ return handle_epilogue(con); ^ net/ceph/messenger_v2.c:1881:10: note: did you mean 'decode_epilogue'? net/ceph/messenger_v2.c:573:12: note: 'decode_epilogue' declared here static int decode_epilogue(void *p, u32 *front_crc, u32 *middle_crc, ^ net/ceph/messenger_v2.c:1898:24: error: use of undeclared identifier 'iter' if (!iov_iter_is_kvec(iter)) ^ return prepare_read_data(con); ^~~ net/ceph/messenger_v2.c:1783:54: note: passing argument to parameter 'con' here static int prepare_read_data(struct cepn_connection *con) ^ net/ceph/messenger_v2.c:2938:12: error: static declaration of 'handle_epilogue' follows non-static declaration static int handle_epilogue(struct ceph_connection *con) ^ net/ceph/messenger_v2.c:1881:10: note: previous implicit declaration is here return handle_epilogue(con); ^ net/ceph/messenger_v2.c:3012:28: error: incompatible pointer types passing 'struct ceph_connection *' to parameter of type 'struct cepn_connection *' [-Werror,-Wincompatible-pointer-types] ret = prepare_read_data(con); ^~~ net/ceph/messenger_v2.c:1783:54: note: passing argument to parameter 'con' here static int prepare_read_data(struct cepn_connection *con) ^ case IN_S_PREPARE_READ_SPARSE_DATA: ^ 1 warning and 10 errors generated. vim +1787 net/ceph/messenger_v2.c 1782 1783 static int prepare_read_data(struct cepn_connection *con) 1784 { 1785 int ret; 1786 1788 ret = prepare_read_data_len(con, data_len(con->in_msg)); 1789 if (ret == 0) 1790 con->v2.in_state = IN_S_PREPARE_READ_DATA_CONT; 1791 return ret; 1792 } 1793 1794 static void prepare_read_data_cont(struct ceph_connection *con) 1795 { 1796 struct bio_vec bv; 1797 1798 if (ceph_test_opt(from_msgr(con->msgr), RXBOUNCE)) { 1799 con->in_data_crc = crc32c(con->in_data_crc, 1800 page_address(con->bounce_page), 1801 con->v2.in_bvec.bv_len); 1802 1803 get_bvec_at(&con->v2.in_cursor, &bv); 1804 memcpy_to_page(bv.bv_page, bv.bv_offset, 1805 page_address(con->bounce_page), 1806 con->v2.in_bvec.bv_len); 1807 } else { 1808 con->in_data_crc = ceph_crc32c_page(con->in_data_crc, 1809 con->v2.in_bvec.bv_page, 1810 con->v2.in_bvec.bv_offset, 1811 con->v2.in_bvec.bv_len); 1812 } 1813 1814 ceph_msg_data_advance(&con->v2.in_cursor, con->v2.in_bvec.bv_len); 1815 if (con->v2.in_cursor.total_resid) { 1816 get_bvec_at(&con->v2.in_cursor, &bv); 1817 if (ceph_test_opt(from_msgr(con->msgr), RXBOUNCE)) { 1818 bv.bv_page = con->bounce_page; 1819 bv.bv_offset = 0; 1820 } 1821 set_in_bvec(con, &bv); 1822 WARN_ON(con->v2.in_state != IN_S_PREPARE_READ_DATA_CONT); 1823 return; 1824 } 1825 1826 /* 1827 * We've read all data. Prepare to read epilogue. 1828 */ 1829 reset_in_kvecs(con); 1830 add_in_kvec(con, con->v2.in_buf, CEPH_EPILOGUE_PLAIN_LEN); 1831 con->v2.in_state = IN_S_HANDLE_EPILOGUE; 1832 } 1833 1834 static int prepare_sparse_read_data_cont(struct ceph_connection *con) 1835 { 1836 int ret; 1837 struct bio_vec bv; 1838 char *buf = NULL; 1839 struct iov_iter *in_iter = &con->v2.in_iter; 1840 u64 off = 0, len = 0; 1841 1843 return -EIO; 1844 1845 if (ceph_test_opt(from_msgr(con->msgr), RXBOUNCE)) { 1846 con->in_data_crc = crc32c(con->in_data_crc, 1847 page_address(con->bounce_page), 1848 con->v2.in_bvec.bv_len); 1849 1850 get_bvec_at(&con->v2.in_cursor, &bv); 1851 memcpy_to_page(bv.bv_page, bv.bv_offset, 1852 page_address(con->bounce_page), 1853 con->v2.in_bvec.bv_len); 1854 } else { 1855 con->in_data_crc = ceph_crc32c_page(con->in_data_crc, 1856 con->v2.in_bvec.bv_page, 1857 con->v2.in_bvec.bv_offset, 1858 con->v2.in_bvec.bv_len); 1859 } 1860 1861 if (con->v2.in_cursor.total_resid) { 1862 get_bvec_at(&con->v2.in_cursor, &bv); 1863 if (ceph_test_opt(from_msgr(con->msgr), RXBOUNCE)) { 1864 bv.bv_page = con->bounce_page; 1865 bv.bv_offset = 0; 1866 } 1867 set_in_bvec(con, &bv); 1868 WARN_ON(con->v2.in_state != IN_S_PREPARE_SPARSE_DATA_CONT); 1869 return 0; 1870 } 1871 1872 /* get next extent */ 1873 ret = con->ops->sparse_read(con, &off, &len, &buf); 1874 if (ret <= 0) { 1875 if (ret < 0) 1876 return ret; 1877 1878 reset_in_kvecs(con); 1879 add_in_kvec(con, con->v2.in_buf, CEPH_EPILOGUE_PLAIN_LEN); 1880 con->v2.in_state = IN_S_HANDLE_EPILOGUE; 1882 } 1883 1884 ret = prepare_read_data_len(con, off + len); 1885 if (!ret) 1886 ceph_msg_data_advance(&con->v2.in_cursor, off); 1887 return ret; 1888 } 1889 1890 static int prepare_sparse_read_header(struct ceph_connection *con) 1891 { 1892 int ret; 1893 struct bio_vec bv; 1894 char *buf = NULL; 1895 struct iov_iter *in_iter = &con->v2.in_iter; 1896 u64 off = 0, len = 0; 1897 1898 if (!iov_iter_is_kvec(iter)) 1899 return -EIO; 1900 1901 /* On first call, we have no kvec so don't compute crc */ 1902 if (con->v2.in_kvec_cnt) { 1903 WARN_ON_ONCE(con->v2.in_kvec_cnt > 1); 1904 con->in_data_crc = crc32c(con->in_data_crc, 1905 con->v2.in_kvecs[0].iov_base, 1906 con->v2.in_kvecs[0].iov_len); 1907 } 1908 1909 ret = con->ops->sparse_read(con, &off, &len, &buf); 1910 if (ret < 0) 1911 return ret; 1912 1913 /* No actual data? */ 1914 if (WARN_ON_ONCE(!ret)) 1915 return -EIO; 1916 1917 if (!buf) { 1918 ret = prepare_read_data_len(con, off + len); 1919 if (!ret) { 1920 ceph_msg_data_advance(&con->v2.in_cursor, off); 1921 con->v2.in_state = IN_S_PREPARE_SPARSE_DATA_CONT; 1922 } 1923 return ret; 1924 } 1925 1926 WARN_ON_ONCE(con->v2.in_state != IN_S_PREPARE_SPARSE_DATA_HDR); 1927 reset_in_kvecs(con); 1928 add_in_kvec(con, buf, len); 1929 return 0; 1930 } 1931 1932 static int prepare_sparse_read_data(struct ceph_connection *con) 1933 { 1934 if (WARN_ON_ONCE(!con->ops->sparse_read)) 1935 return -EOPNOTSUPP; 1936 1937 if (!con_secure(con)) 1938 con->in_data_crc = -1; 1939 1940 reset_in_kvecs(con); 1941 con->v2.in_state = IN_S_PREPARE_SPARSE_DATA_HDR; 1942 return prepare_sparse_read_header(con); 1943 } 1944 1945 static int prepare_read_tail_plain(struct ceph_connection *con) 1946 { 1947 struct ceph_msg *msg = con->in_msg; 1948 1949 if (!front_len(msg) && !middle_len(msg)) { 1950 WARN_ON(!data_len(msg)); 1952 } 1953 1954 reset_in_kvecs(con); 1955 if (front_len(msg)) { 1956 add_in_kvec(con, msg->front.iov_base, front_len(msg)); 1957 WARN_ON(msg->front.iov_len != front_len(msg)); 1958 } 1959 if (middle_len(msg)) { 1960 add_in_kvec(con, msg->middle->vec.iov_base, middle_len(msg)); 1961 WARN_ON(msg->middle->vec.iov_len != middle_len(msg)); 1962 } 1963 1964 if (data_len(msg)) { 1965 if (msg->sparse_read) 1966 con->v2.in_state = IN_S_PREPARE_SPARSE_DATA; 1967 else 1968 con->v2.in_state = IN_S_PREPARE_READ_DATA; 1969 } else { 1970 add_in_kvec(con, con->v2.in_buf, CEPH_EPILOGUE_PLAIN_LEN); 1971 con->v2.in_state = IN_S_HANDLE_EPILOGUE; 1972 } 1973 return 0; 1974 } 1975 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org