Hi Olga, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on nfs/linux-next] [also build test WARNING on v4.19] [cannot apply to next-20181019] [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/Olga-Kornievskaia/client-side-support-for-inter-SSC-copy/20181025-043859 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next coccinelle warnings: (new ones prefixed by >>) >> fs/nfs/nfs4file.c:345:12-18: WARNING: PTR_ERR_OR_ZERO can be used 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