Hi Chao, [auto build test WARNING on f2fs/dev -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Chao-Yu/f2fs-report-error-of-f2fs_create_root_stats/20151028-175937 config: x86_64-randconfig-x015-201543 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from fs/f2fs/dir.c:13:0: fs/f2fs/f2fs.h: In function 'f2fs_create_root_stats': >> fs/f2fs/f2fs.h:2018:1: warning: no return statement in function returning >> non-void [-Wreturn-type] static inline int __init f2fs_create_root_stats(void) { } ^ -- In file included from fs/f2fs/namei.c:19:0: fs/f2fs/f2fs.h: In function 'f2fs_create_root_stats': >> fs/f2fs/f2fs.h:2018:1: warning: no return statement in function returning >> non-void [-Wreturn-type] static inline int __init f2fs_create_root_stats(void) { } ^ fs/f2fs/namei.c: In function 'f2fs_symlink': fs/f2fs/namei.c:414:59: warning: 'p_len' may be used uninitialized in this function [-Wmaybe-uninitialized] filemap_write_and_wait_range(inode->i_mapping, 0, p_len - 1); ^ -- In file included from fs/f2fs/node.c:19:0: fs/f2fs/f2fs.h: In function 'f2fs_create_root_stats': >> fs/f2fs/f2fs.h:2018:1: warning: no return statement in function returning >> non-void [-Wreturn-type] static inline int __init f2fs_create_root_stats(void) { } ^ fs/f2fs/node.c: In function 'flush_nat_entries': fs/f2fs/node.c:1920:11: warning: 'nat_blk' may be used uninitialized in this function [-Wmaybe-uninitialized] raw_ne = &nat_blk->entries[nid - start_nid]; ^ fs/f2fs/node.c:1883:25: note: 'nat_blk' was declared here struct f2fs_nat_block *nat_blk; ^ vim +2018 fs/f2fs/f2fs.h 2002 #define stat_inc_inline_xattr(inode) 2003 #define stat_dec_inline_xattr(inode) 2004 #define stat_inc_inline_inode(inode) 2005 #define stat_dec_inline_inode(inode) 2006 #define stat_inc_inline_dir(inode) 2007 #define stat_dec_inline_dir(inode) 2008 #define stat_inc_seg_type(sbi, curseg) 2009 #define stat_inc_block_count(sbi, curseg) 2010 #define stat_inc_inplace_blocks(sbi) 2011 #define stat_inc_seg_count(sbi, type, gc_type) 2012 #define stat_inc_tot_blk_count(si, blks) 2013 #define stat_inc_data_blk_count(sbi, blks, gc_type) 2014 #define stat_inc_node_blk_count(sbi, blks, gc_type) 2015 2016 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } 2017 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } > 2018 static inline int __init f2fs_create_root_stats(void) { } 2019 static inline void f2fs_destroy_root_stats(void) { } 2020 #endif 2021 2022 extern const struct file_operations f2fs_dir_operations; 2023 extern const struct file_operations f2fs_file_operations; 2024 extern const struct inode_operations f2fs_file_inode_operations; 2025 extern const struct address_space_operations f2fs_dblock_aops; 2026 extern const struct address_space_operations f2fs_node_aops; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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