Hi "Vishal, Thank you for the patch! Yet something to improve: [auto build test ERROR on jaegeuk-f2fs/dev-test] [also build test ERROR on kdave/for-next linus/master v6.0-rc3] [cannot apply to ceph-client/for-linus next-20220901] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Vishal-Moola-Oracle/Convert-to-filemap_get_folios_tag/20220902-060430 base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test config: arc-randconfig-r043-20220901 (https://download.01.org/0day-ci/archive/20220903/202209030512.9yAy8edt-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/6c74320953cd3749db95f9f09c1fc7d044933635 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vishal-Moola-Oracle/Convert-to-filemap_get_folios_tag/20220902-060430 git checkout 6c74320953cd3749db95f9f09c1fc7d044933635 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): fs/f2fs/data.c: In function 'f2fs_write_cache_pages': >> fs/f2fs/data.c:3016:53: error: 'nr_pages' undeclared (first use in this function); did you mean 'dir_pages'? 3016 | &fbatch, i, nr_pages, true)) | ^~~~~~~~ | dir_pages fs/f2fs/data.c:3016:53: note: each undeclared identifier is reported only once for each function it appears in >> fs/f2fs/data.c:3017:41: error: label 'lock_page' used but not defined 3017 | goto lock_page; | ^~~~ vim +3016 fs/f2fs/data.c 2908 2909 /* 2910 * This function was copied from write_cche_pages from mm/page-writeback.c. 2911 * The major change is making write step of cold data page separately from 2912 * warm/hot data page. 2913 */ 2914 static int f2fs_write_cache_pages(struct address_space *mapping, 2915 struct writeback_control *wbc, 2916 enum iostat_type io_type) 2917 { 2918 int ret = 0; 2919 int done = 0, retry = 0; 2920 struct folio_batch fbatch; 2921 struct f2fs_sb_info *sbi = F2FS_M_SB(mapping); 2922 struct bio *bio = NULL; 2923 sector_t last_block; 2924 #ifdef CONFIG_F2FS_FS_COMPRESSION 2925 struct inode *inode = mapping->host; 2926 struct compress_ctx cc = { 2927 .inode = inode, 2928 .log_cluster_size = F2FS_I(inode)->i_log_cluster_size, 2929 .cluster_size = F2FS_I(inode)->i_cluster_size, 2930 .cluster_idx = NULL_CLUSTER, 2931 .rpages = NULL, 2932 .nr_rpages = 0, 2933 .cpages = NULL, 2934 .valid_nr_cpages = 0, 2935 .rbuf = NULL, 2936 .cbuf = NULL, 2937 .rlen = PAGE_SIZE * F2FS_I(inode)->i_cluster_size, 2938 .private = NULL, 2939 }; 2940 #endif 2941 int nr_folios; 2942 pgoff_t index; 2943 pgoff_t end; /* Inclusive */ 2944 pgoff_t done_index; 2945 int range_whole = 0; 2946 xa_mark_t tag; 2947 int nwritten = 0; 2948 int submitted = 0; 2949 int i; 2950 2951 folio_batch_init(&fbatch); 2952 2953 if (get_dirty_pages(mapping->host) <= 2954 SM_I(F2FS_M_SB(mapping))->min_hot_blocks) 2955 set_inode_flag(mapping->host, FI_HOT_DATA); 2956 else 2957 clear_inode_flag(mapping->host, FI_HOT_DATA); 2958 2959 if (wbc->range_cyclic) { 2960 index = mapping->writeback_index; /* prev offset */ 2961 end = -1; 2962 } else { 2963 index = wbc->range_start >> PAGE_SHIFT; 2964 end = wbc->range_end >> PAGE_SHIFT; 2965 if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) 2966 range_whole = 1; 2967 } 2968 if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages) 2969 tag = PAGECACHE_TAG_TOWRITE; 2970 else 2971 tag = PAGECACHE_TAG_DIRTY; 2972 retry: 2973 retry = 0; 2974 if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages) 2975 tag_pages_for_writeback(mapping, index, end); 2976 done_index = index; 2977 while (!done && !retry && (index <= end)) { 2978 nr_folios = filemap_get_folios_tag(mapping, &index, end, 2979 tag, &fbatch); 2980 if (nr_folios == 0) 2981 break; 2982 2983 for (i = 0; i < nr_folios; i++) { 2984 struct folio *folio = fbatch.folios[i]; 2985 bool need_readd; 2986 readd: 2987 need_readd = false; 2988 #ifdef CONFIG_F2FS_FS_COMPRESSION 2989 if (f2fs_compressed_file(inode)) { 2990 void *fsdata = NULL; 2991 struct page *pagep; 2992 int ret2; 2993 2994 ret = f2fs_init_compress_ctx(&cc); 2995 if (ret) { 2996 done = 1; 2997 break; 2998 } 2999 3000 if (!f2fs_cluster_can_merge_page(&cc, 3001 folio->index)) { 3002 ret = f2fs_write_multi_pages(&cc, 3003 &submitted, wbc, io_type); 3004 if (!ret) 3005 need_readd = true; 3006 goto result; 3007 } 3008 3009 if (unlikely(f2fs_cp_error(sbi))) 3010 goto lock_folio; 3011 3012 if (!f2fs_cluster_is_empty(&cc)) 3013 goto lock_folio; 3014 3015 if (f2fs_all_cluster_page_ready(&cc, > 3016 &fbatch, i, nr_pages, true)) > 3017 goto lock_page; 3018 3019 ret2 = f2fs_prepare_compress_overwrite( 3020 inode, &pagep, 3021 folio->index, &fsdata); 3022 if (ret2 < 0) { 3023 ret = ret2; 3024 done = 1; 3025 break; 3026 } else if (ret2 && 3027 (!f2fs_compress_write_end(inode, 3028 fsdata, folio->index, 1) || 3029 !f2fs_all_cluster_page_ready(&cc, 3030 &fbatch, i, nr_folios, 3031 false))) { 3032 retry = 1; 3033 break; 3034 } 3035 } 3036 #endif 3037 /* give a priority to WB_SYNC threads */ 3038 if (atomic_read(&sbi->wb_sync_req[DATA]) && 3039 wbc->sync_mode == WB_SYNC_NONE) { 3040 done = 1; 3041 break; 3042 } 3043 #ifdef CONFIG_F2FS_FS_COMPRESSION 3044 lock_folio: 3045 #endif 3046 done_index = folio->index; 3047 retry_write: 3048 folio_lock(folio); 3049 3050 if (unlikely(folio->mapping != mapping)) { 3051 continue_unlock: 3052 folio_unlock(folio); 3053 continue; 3054 } 3055 3056 if (!folio_test_dirty(folio)) { 3057 /* someone wrote it for us */ 3058 goto continue_unlock; 3059 } 3060 3061 if (folio_test_writeback(folio)) { 3062 if (wbc->sync_mode != WB_SYNC_NONE) 3063 f2fs_wait_on_page_writeback( 3064 &folio->page, 3065 DATA, true, true); 3066 else 3067 goto continue_unlock; 3068 } 3069 3070 if (!folio_clear_dirty_for_io(folio)) 3071 goto continue_unlock; 3072 -- 0-DAY CI Kernel Test Service https://01.org/lkp