Hi Aurelien, Thank you for the patch! Yet something to improve: [auto build test ERROR on cifs/for-next] [also build test ERROR on v5.6 next-20200331] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Aurelien-Aptel/cifs-ignore-cache... base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: x86_64-randconfig-s1-20200401 (attached as .config) compiler: gcc-6 (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/cifs/smb2ops.c: In function 'smb2_close_cached_fid': SMB2_close_flags(0, cfid->tcon, cfid->fid->persistent_fid, ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/SMB2_close_flags +611 fs/cifs/smb2ops.c 601 602 static void 603 smb2_close_cached_fid(struct kref *ref) 604 { 605 struct cached_fid *cfid = container_of(ref, struct cached_fid, 606 refcount); 607 608 if (cfid->is_valid) { 609 cifs_dbg(FYI, "clear cached root file handle\n"); 610 /* ignore errors here & do not retry in worker thread */ 612 cfid->fid->volatile_fid, 0); 613 cfid->is_valid = false; 614 cfid->file_all_info_is_valid = false; 615 cfid->has_lease = false; 616 } 617 } 618 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org