Hi yi, [auto build test WARNING on ext4/dev] [also build test WARNING on v4.10-rc4 next-20170118] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/yi-zhang/vfs-add-detection-of-inode-validation/20170119-013142 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev config: x86_64-randconfig-s1-01190013 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): fs/ext4/inode.c: In function 'ext4_validate': >> fs/ext4/inode.c:5388: warning: format '%lu' expects type 'long unsigned int', but argument 6 has type 'unsigned int' fs/ext4/inode.o: warning: objtool: ext4_inode_journal_mode()+0xc0: function has unreachable instruction vim +5388 fs/ext4/inode.c 5372 * allocation is done, we will have i_blocks inconsistent with 5373 * on-disk file blocks. 5374 * We always keep i_blocks updated together with real 5375 * allocation. But to not confuse with user, stat 5376 * will return the blocks that include the delayed allocation 5377 * blocks for this file. 5378 */ 5379 delalloc_blocks = EXT4_C2B(EXT4_SB(inode->i_sb), 5380 EXT4_I(inode)->i_reserved_data_blocks); 5381 stat->blocks += delalloc_blocks << (inode->i_sb->s_blocksize_bits - 9); 5382 return 0; 5383 } 5384 5385 int ext4_validate(struct inode *inode) 5386 { 5387 if (inode->i_nlink == 0) { > 5388 EXT4_ERROR_INODE(inode, "bad nlink value: %lu", inode->i_nlink); 5389 return -EFSCORRUPTED; 5390 } 5391 5392 return 0; 5393 } 5394 5395 static int ext4_index_trans_blocks(struct inode *inode, int lblocks, 5396 int pextents) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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