Hi "Matthew, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on hnaz-mm/master] [also build test WARNING on rostedt-trace/for-next linus/master v5.16-rc4] [cannot apply to next-20211208] [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/Matthew-Wilcox-Oracle/Folios-for... base: https://github.com/hnaz/linux-mm master config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20211208/202112081952.NHF8MX2L-lk...) compiler: alpha-linux-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/b883ee2b43293c901ea31f233d1596f25... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Folios-for-5-17/20211208-122734 git checkout b883ee2b43293c901ea31f233d1596f255e0dcb9 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from fs/f2fs/dir.c:13: 4055 | bool f2fs_all_cluster_page_loaded(struct compress_ctx *cc, struct pagevec *pvec, | ^~~~~~~ vim +4055 fs/f2fs/f2fs.h 4c8ff7095bef64 Chao Yu 2019-11-01 4034 4c8ff7095bef64 Chao Yu 2019-11-01 4035 /* 4c8ff7095bef64 Chao Yu 2019-11-01 4036 * compress.c 4c8ff7095bef64 Chao Yu 2019-11-01 4037 */ 4c8ff7095bef64 Chao Yu 2019-11-01 4038 #ifdef CONFIG_F2FS_FS_COMPRESSION 4c8ff7095bef64 Chao Yu 2019-11-01 4039 bool f2fs_is_compressed_page(struct page *page); 4c8ff7095bef64 Chao Yu 2019-11-01 4040 struct page *f2fs_compress_control_page(struct page *page); 4c8ff7095bef64 Chao Yu 2019-11-01 4041 int f2fs_prepare_compress_overwrite(struct inode *inode, 4c8ff7095bef64 Chao Yu 2019-11-01 4042 struct page **pagep, pgoff_t index, void **fsdata); 4c8ff7095bef64 Chao Yu 2019-11-01 4043 bool f2fs_compress_write_end(struct inode *inode, void *fsdata, 4c8ff7095bef64 Chao Yu 2019-11-01 4044 pgoff_t index, unsigned copied); 3265d3db1f1639 Chao Yu 2020-03-18 4045 int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock); 4c8ff7095bef64 Chao Yu 2019-11-01 4046 void f2fs_compress_write_end_io(struct bio *bio, struct page *page); 4c8ff7095bef64 Chao Yu 2019-11-01 4047 bool f2fs_is_compress_backend_ready(struct inode *inode); 5e6bbde9598230 Chao Yu 2020-04-08 4048 int f2fs_init_compress_mempool(void); 5e6bbde9598230 Chao Yu 2020-04-08 4049 void f2fs_destroy_compress_mempool(void); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4050 void f2fs_decompress_cluster(struct decompress_io_ctx *dic); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4051 void f2fs_end_read_compressed_page(struct page *page, bool failed, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4052 block_t blkaddr); 4c8ff7095bef64 Chao Yu 2019-11-01 4053 bool f2fs_cluster_is_empty(struct compress_ctx *cc); 4c8ff7095bef64 Chao Yu 2019-11-01 4054 bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); 2ce5eeadf5d8d9 Andrew Morton 2021-10-28 @4055 bool f2fs_all_cluster_page_loaded(struct compress_ctx *cc, struct pagevec *pvec, 2ce5eeadf5d8d9 Andrew Morton 2021-10-28 4056 int index, int nr_pages); bbe1da7e34ac5a Chao Yu 2021-08-06 4057 bool f2fs_sanity_check_cluster(struct dnode_of_data *dn); 4c8ff7095bef64 Chao Yu 2019-11-01 4058 void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); 4c8ff7095bef64 Chao Yu 2019-11-01 4059 int f2fs_write_multi_pages(struct compress_ctx *cc, 4c8ff7095bef64 Chao Yu 2019-11-01 4060 int *submitted, 4c8ff7095bef64 Chao Yu 2019-11-01 4061 struct writeback_control *wbc, 4c8ff7095bef64 Chao Yu 2019-11-01 4062 enum iostat_type io_type); 4c8ff7095bef64 Chao Yu 2019-11-01 4063 int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index); 94afd6d6e52531 Chao Yu 2021-08-04 4064 void f2fs_update_extent_tree_range_compressed(struct inode *inode, 94afd6d6e52531 Chao Yu 2021-08-04 4065 pgoff_t fofs, block_t blkaddr, unsigned int llen, 94afd6d6e52531 Chao Yu 2021-08-04 4066 unsigned int c_len); 4c8ff7095bef64 Chao Yu 2019-11-01 4067 int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, 4c8ff7095bef64 Chao Yu 2019-11-01 4068 unsigned nr_pages, sector_t *last_block_in_bio, 0683728adab251 Chao Yu 2020-02-18 4069 bool is_readahead, bool for_write); 4c8ff7095bef64 Chao Yu 2019-11-01 4070 struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc); 7f59b277f79e8a Eric Biggers 2021-01-04 4071 void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed); 7f59b277f79e8a Eric Biggers 2021-01-04 4072 void f2fs_put_page_dic(struct page *page); 94afd6d6e52531 Chao Yu 2021-08-04 4073 unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn); 4c8ff7095bef64 Chao Yu 2019-11-01 4074 int f2fs_init_compress_ctx(struct compress_ctx *cc); 8bfbfb0ddd706b Chao Yu 2021-05-10 4075 void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse); 4c8ff7095bef64 Chao Yu 2019-11-01 4076 void f2fs_init_compress_info(struct f2fs_sb_info *sbi); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4077 int f2fs_init_compress_inode(struct f2fs_sb_info *sbi); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4078 void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi); 31083031709eea Chao Yu 2020-09-14 4079 int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi); 31083031709eea Chao Yu 2020-09-14 4080 void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi); c68d6c88302250 Chao Yu 2020-09-14 4081 int __init f2fs_init_compress_cache(void); c68d6c88302250 Chao Yu 2020-09-14 4082 void f2fs_destroy_compress_cache(void); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4083 struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4084 void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4085 void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4086 nid_t ino, block_t blkaddr); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4087 bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4088 block_t blkaddr); 6ce19aff0b8cd3 Chao Yu 2021-05-20 4089 void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino); 5ac443e26a0964 Daeho Jeong 2021-03-15 4090 #define inc_compr_inode_stat(inode) \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4091 do { \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4092 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4093 sbi->compr_new_inode++; \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4094 } while (0) 5ac443e26a0964 Daeho Jeong 2021-03-15 4095 #define add_compr_block_stat(inode, blocks) \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4096 do { \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4097 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4098 int diff = F2FS_I(inode)->i_cluster_size - blocks; \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4099 sbi->compr_written_block += blocks; \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4100 sbi->compr_saved_block += diff; \ 5ac443e26a0964 Daeho Jeong 2021-03-15 4101 } while (0) 4c8ff7095bef64 Chao Yu 2019-11-01 4102 #else 4c8ff7095bef64 Chao Yu 2019-11-01 4103 static inline bool f2fs_is_compressed_page(struct page *page) { return false; } 4c8ff7095bef64 Chao Yu 2019-11-01 4104 static inline bool f2fs_is_compress_backend_ready(struct inode *inode) 4c8ff7095bef64 Chao Yu 2019-11-01 4105 { 4c8ff7095bef64 Chao Yu 2019-11-01 4106 if (!f2fs_compressed_file(inode)) 4c8ff7095bef64 Chao Yu 2019-11-01 4107 return true; 4c8ff7095bef64 Chao Yu 2019-11-01 4108 /* not support compression */ 4c8ff7095bef64 Chao Yu 2019-11-01 4109 return false; 4c8ff7095bef64 Chao Yu 2019-11-01 4110 } 4c8ff7095bef64 Chao Yu 2019-11-01 4111 static inline struct page *f2fs_compress_control_page(struct page *page) 4c8ff7095bef64 Chao Yu 2019-11-01 4112 { 4c8ff7095bef64 Chao Yu 2019-11-01 4113 WARN_ON_ONCE(1); 4c8ff7095bef64 Chao Yu 2019-11-01 4114 return ERR_PTR(-EINVAL); 4c8ff7095bef64 Chao Yu 2019-11-01 4115 } 5e6bbde9598230 Chao Yu 2020-04-08 4116 static inline int f2fs_init_compress_mempool(void) { return 0; } 5e6bbde9598230 Chao Yu 2020-04-08 4117 static inline void f2fs_destroy_compress_mempool(void) { } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4118 static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic) { } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4119 static inline void f2fs_end_read_compressed_page(struct page *page, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4120 bool failed, block_t blkaddr) 7f59b277f79e8a Eric Biggers 2021-01-04 4121 { 7f59b277f79e8a Eric Biggers 2021-01-04 4122 WARN_ON_ONCE(1); 7f59b277f79e8a Eric Biggers 2021-01-04 4123 } 7f59b277f79e8a Eric Biggers 2021-01-04 4124 static inline void f2fs_put_page_dic(struct page *page) 7f59b277f79e8a Eric Biggers 2021-01-04 4125 { 7f59b277f79e8a Eric Biggers 2021-01-04 4126 WARN_ON_ONCE(1); 7f59b277f79e8a Eric Biggers 2021-01-04 4127 } 94afd6d6e52531 Chao Yu 2021-08-04 4128 static inline unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn) { return 0; } bbe1da7e34ac5a Chao Yu 2021-08-06 4129 static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4130 static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4131 static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { } 31083031709eea Chao Yu 2020-09-14 4132 static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; } 31083031709eea Chao Yu 2020-09-14 4133 static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { } c68d6c88302250 Chao Yu 2020-09-14 4134 static inline int __init f2fs_init_compress_cache(void) { return 0; } c68d6c88302250 Chao Yu 2020-09-14 4135 static inline void f2fs_destroy_compress_cache(void) { } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4136 static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4137 block_t blkaddr) { } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4138 static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4139 struct page *page, nid_t ino, block_t blkaddr) { } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4140 static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4141 struct page *page, block_t blkaddr) { return false; } 6ce19aff0b8cd3 Chao Yu 2021-05-20 4142 static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, 6ce19aff0b8cd3 Chao Yu 2021-05-20 4143 nid_t ino) { } 5ac443e26a0964 Daeho Jeong 2021-03-15 4144 #define inc_compr_inode_stat(inode) do { } while (0) 94afd6d6e52531 Chao Yu 2021-08-04 4145 static inline void f2fs_update_extent_tree_range_compressed(struct inode *inode, 94afd6d6e52531 Chao Yu 2021-08-04 4146 pgoff_t fofs, block_t blkaddr, unsigned int llen, 94afd6d6e52531 Chao Yu 2021-08-04 4147 unsigned int c_len) { } 4c8ff7095bef64 Chao Yu 2019-11-01 4148 #endif 4c8ff7095bef64 Chao Yu 2019-11-01 4149 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org