tree: https://github.com/ceph/ceph-client.git testing head: bc940dc5cc27be90472e00ddf510b28b29ffd6ce commit: a5cb140194256429d5ce74439e8165390d9380a6 [14/39] libceph: add new iov_iter-based ceph_msg_data_type and ceph_osd_data_type config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220816/202208160842.GUNdBYbK-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce (this is a W=1 build): # https://github.com/ceph/ceph-client/commit/a5cb140194256429d5ce74439e8165390d9380a6 git remote add ceph-client https://github.com/ceph/ceph-client.git git fetch --no-tags ceph-client testing git checkout a5cb140194256429d5ce74439e8165390d9380a6 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/ceph/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): net/ceph/messenger.c: In function 'ceph_msg_data_iter_next': >> net/ceph/messenger.c:988:15: error: implicit declaration of function 'iov_iter_get_pages'; did you mean 'iov_iter_get_pages2'? [-Werror=implicit-function-declaration] 988 | len = iov_iter_get_pages(&cursor->iov_iter, &page, PAGE_SIZE, | ^~~~~~~~~~~~~~~~~~ | iov_iter_get_pages2 cc1: some warnings being treated as errors vim +988 net/ceph/messenger.c 977 978 static struct page *ceph_msg_data_iter_next(struct ceph_msg_data_cursor *cursor, 979 size_t *page_offset, 980 size_t *length) 981 { 982 struct page *page; 983 ssize_t len; 984 985 if (cursor->lastlen) 986 iov_iter_revert(&cursor->iov_iter, cursor->lastlen); 987 > 988 len = iov_iter_get_pages(&cursor->iov_iter, &page, PAGE_SIZE, 989 1, page_offset); 990 BUG_ON(len < 0); 991 992 cursor->lastlen = len; 993 994 /* 995 * FIXME: Al Viro says that he will soon change iov_iter_get_pages 996 * to auto-advance the iterator. Emulate that here for now. 997 */ 998 iov_iter_advance(&cursor->iov_iter, len); 999 1000 /* 1001 * FIXME: The assumption is that the pages represented by the iov_iter 1002 * are pinned, with the references held by the upper-level 1003 * callers, or by virtue of being under writeback. Eventually, 1004 * we'll get an iov_iter_get_pages variant that doesn't take page 1005 * refs. Until then, just put the page ref. 1006 */ 1007 VM_BUG_ON_PAGE(!PageWriteback(page) && page_count(page) < 2, page); 1008 put_page(page); 1009 1010 *length = min_t(size_t, len, cursor->resid); 1011 return page; 1012 } 1013 -- 0-DAY CI Kernel Test Service https://01.org/lkp
