tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f40ddce88593482919761f74910f42f4b84c004b commit: d540e35d4e547776ea78d51f614ec38ed2824fbe f2fs: don't check PAGE_SIZE again in sanity_check_raw_super() date: 2 months ago config: mips-randconfig-r024-20210219 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d540e35d4e547776ea78d51f614ec38ed2824fbe git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d540e35d4e547776ea78d51f614ec38ed2824fbe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): fs/f2fs/super.c:1516:20: warning: unused function 'f2fs_show_compress_options' [-Wunused-function] static inline void f2fs_show_compress_options(struct seq_file *seq, ^ fs/f2fs/super.c:3472:12: warning: stack frame size of 1440 bytes in function 'f2fs_fill_super' [-Wframe-larger-than=] static int f2fs_fill_super(struct super_block *sb, void *data, int silent) ^ >> fs/f2fs/super.c:3326:12: warning: stack frame size of 1064 bytes in function >> 'f2fs_scan_devices' [-Wframe-larger-than=] static int f2fs_scan_devices(struct f2fs_sb_info *sbi) ^ 3 warnings generated. vim +/f2fs_scan_devices +3326 fs/f2fs/super.c 26d815ad75156a Jaegeuk Kim 2015-04-20 3325 3c62be17d4f562 Jaegeuk Kim 2016-10-06 @3326 static int f2fs_scan_devices(struct f2fs_sb_info *sbi) 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3327 { 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3328 struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); 7bb3a371d19915 Masato Suzuki 2017-02-27 3329 unsigned int max_devices = MAX_DEVICES; 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3330 int i; 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3331 7bb3a371d19915 Masato Suzuki 2017-02-27 3332 /* Initialize single device information */ 7bb3a371d19915 Masato Suzuki 2017-02-27 3333 if (!RDEV(0).path[0]) { 7bb3a371d19915 Masato Suzuki 2017-02-27 3334 if (!bdev_is_zoned(sbi->sb->s_bdev)) 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3335 return 0; 7bb3a371d19915 Masato Suzuki 2017-02-27 3336 max_devices = 1; 7bb3a371d19915 Masato Suzuki 2017-02-27 3337 } 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3338 7bb3a371d19915 Masato Suzuki 2017-02-27 3339 /* 7bb3a371d19915 Masato Suzuki 2017-02-27 3340 * Initialize multiple devices information, or single 7bb3a371d19915 Masato Suzuki 2017-02-27 3341 * zoned block device information. 7bb3a371d19915 Masato Suzuki 2017-02-27 3342 */ 026f05079b00a5 Kees Cook 2018-06-12 3343 sbi->devs = f2fs_kzalloc(sbi, 026f05079b00a5 Kees Cook 2018-06-12 3344 array_size(max_devices, 026f05079b00a5 Kees Cook 2018-06-12 3345 sizeof(struct f2fs_dev_info)), 026f05079b00a5 Kees Cook 2018-06-12 3346 GFP_KERNEL); 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3347 if (!sbi->devs) 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3348 return -ENOMEM; 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3349 7bb3a371d19915 Masato Suzuki 2017-02-27 3350 for (i = 0; i < max_devices; i++) { 7bb3a371d19915 Masato Suzuki 2017-02-27 3351 7bb3a371d19915 Masato Suzuki 2017-02-27 3352 if (i > 0 && !RDEV(i).path[0]) 7bb3a371d19915 Masato Suzuki 2017-02-27 3353 break; 7bb3a371d19915 Masato Suzuki 2017-02-27 3354 7bb3a371d19915 Masato Suzuki 2017-02-27 3355 if (max_devices == 1) { 7bb3a371d19915 Masato Suzuki 2017-02-27 3356 /* Single zoned block device mount */ 7bb3a371d19915 Masato Suzuki 2017-02-27 3357 FDEV(0).bdev = 7bb3a371d19915 Masato Suzuki 2017-02-27 3358 blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, 7bb3a371d19915 Masato Suzuki 2017-02-27 3359 sbi->sb->s_mode, sbi->sb->s_type); 7bb3a371d19915 Masato Suzuki 2017-02-27 3360 } else { 7bb3a371d19915 Masato Suzuki 2017-02-27 3361 /* Multi-device mount */ 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3362 memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); 7bb3a371d19915 Masato Suzuki 2017-02-27 3363 FDEV(i).total_segments = 7bb3a371d19915 Masato Suzuki 2017-02-27 3364 le32_to_cpu(RDEV(i).total_segments); 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3365 if (i == 0) { 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3366 FDEV(i).start_blk = 0; 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3367 FDEV(i).end_blk = FDEV(i).start_blk + 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3368 (FDEV(i).total_segments << 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3369 sbi->log_blocks_per_seg) - 1 + 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3370 le32_to_cpu(raw_super->segment0_blkaddr); 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3371 } else { 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3372 FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3373 FDEV(i).end_blk = FDEV(i).start_blk + 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3374 (FDEV(i).total_segments << 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3375 sbi->log_blocks_per_seg) - 1; 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3376 } 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3377 FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3378 sbi->sb->s_mode, sbi->sb->s_type); 7bb3a371d19915 Masato Suzuki 2017-02-27 3379 } 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3380 if (IS_ERR(FDEV(i).bdev)) 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3381 return PTR_ERR(FDEV(i).bdev); 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3382 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3383 /* to release errored devices */ 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3384 sbi->s_ndevs = i + 1; 3c62be17d4f562 Jaegeuk Kim 2016-10-06 3385 :::::: The code at line 3326 was first introduced by commit :::::: 3c62be17d4f562f43fe1d03b48194399caa35aa5 f2fs: support multiple devices :::::: TO: Jaegeuk Kim <[email protected]> :::::: CC: Jaegeuk Kim <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
