tree: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-next head: 53e35e7602b1cb11751e1788a888c6d74463c6c0 commit: 53e35e7602b1cb11751e1788a888c6d74463c6c0 [6/6] ovl: add ovl_fadvise() reproduce: # apt-get install sparse git checkout 53e35e7602b1cb11751e1788a888c6d74463c6c0 make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> fs/overlayfs/file.c:334:5: sparse: symbol 'ovl_fadvise' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation