Hi Goldwyn, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on kdave/for-next] [also build test WARNING on v5.10 next-20201215] [cannot apply to xfs-linux/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Goldwyn-Rodrigues/Fix-locking-for-btrfs-direct-writes/20201216-021312 base: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next config: sparc-randconfig-s031-20201215 (attached as .config) compiler: sparc-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-184-g1b896707-dirty # https://github.com/0day-ci/linux/commit/4706fd8a8832b4948c25abc5fec38a017704d828 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Goldwyn-Rodrigues/Fix-locking-for-btrfs-direct-writes/20201216-021312 git checkout 4706fd8a8832b4948c25abc5fec38a017704d828 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): >> fs/iomap/direct-io.c:127:9: warning: no previous prototype for >> 'iomap_dio_complete' [-Wmissing-prototypes] 127 | ssize_t iomap_dio_complete(struct iomap_dio *dio) | ^~~~~~~~~~~~~~~~~~ "sparse warnings: (new ones prefixed by >>)" vim +/iomap_dio_complete +127 fs/iomap/direct-io.c 126 > 127 ssize_t iomap_dio_complete(struct iomap_dio *dio) 128 { 129 ssize_t ret; 130 131 ret = __iomap_dio_complete(dio); 132 /* 133 * If this is a DSYNC write, make sure we push it to stable storage now 134 * that we've written data. 135 */ 136 if (ret > 0 && (dio->flags & IOMAP_DIO_NEED_SYNC)) 137 ret = generic_write_sync(dio->iocb, ret); 138 139 kfree(dio); 140 141 return ret; 142 } 143 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
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