Hi Chao, [auto build test WARNING on f2fs/dev] [also build test WARNING on v4.4 next-20160121] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Chao-Yu/f2fs-correct-search-area-in-get_new_segment/20160122-174633 base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs dev config: i386-randconfig-s0-201603 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): fs/f2fs/gc.c: In function 'do_garbage_collect': >> fs/f2fs/gc.c:807:6: warning: 'type' may be used uninitialized in this >> function [-Wmaybe-uninitialized] if (type == SUM_TYPE_NODE) { ^ vim +/type +807 fs/f2fs/gc.c 791 * - lock_page(sum_page) 792 */ 793 794 if (type == SUM_TYPE_NODE) 795 gc_node_segment(sbi, sum->entries, segno, gc_type); 796 else 797 gc_data_segment(sbi, sum->entries, gc_list, segno, 798 gc_type); 799 800 stat_inc_seg_count(sbi, type, gc_type); 801 stat_inc_call_count(sbi->stat_info); 802 803 f2fs_put_page(sum_page, 0); 804 } 805 806 if (gc_type == FG_GC) { > 807 if (type == SUM_TYPE_NODE) { 808 struct writeback_control wbc = { 809 .sync_mode = WB_SYNC_ALL, 810 .nr_to_write = LONG_MAX, 811 .for_reclaim = 0, 812 }; 813 sync_node_pages(sbi, 0, &wbc); 814 } else { 815 f2fs_submit_merged_bio(sbi, DATA, WRITE); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: Binary data
