Re: [PATCH] f2fs: including waf data in f2fs status information

From: kernel test robot
Date: Thu Jun 01 2023 - 10:24:57 EST

Hi beomsu,

kernel test robot noticed the following build errors:

[auto build test ERROR on v6.4-rc4]
[also build test ERROR on linus/master next-20230601]
[cannot apply to jaegeuk-f2fs/dev-test jaegeuk-f2fs/dev]
[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/beomsu-kim/f2fs-including-waf-data-in-f2fs-status-information/20230531-162208
base: 7877cb91f1081754a1487c144d85dc0d2e2e7fc4
patch link: https://lore.kernel.org/r/20230531082038epcms2p256f9db0d7ac377d404694354db1c3ebc%40epcms2p2
patch subject: [PATCH] f2fs: including waf data in f2fs status information
config: x86_64-randconfig-a005-20230531 (https://download.01.org/0day-ci/archive/20230601/202306011750.kDn4yxlq-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/3a2228fdedf76cc8448b358d07b77eb26d1299a4
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review beomsu-kim/f2fs-including-waf-data-in-f2fs-status-information/20230531-162208
git checkout 3a2228fdedf76cc8448b358d07b77eb26d1299a4
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/f2fs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306011750.kDn4yxlq-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

fs/f2fs/iostat.c: In function 'iostat_info_seq_show':
>> fs/f2fs/iostat.c:37:37: error: implicit declaration of function 'F2FS_STAT'; did you mean 'F2FS_CKPT'? [-Werror=implicit-function-declaration]
37 | struct f2fs_stat_info *si = F2FS_STAT(sbi);
| ^~~~~~~~~
| F2FS_CKPT
>> fs/f2fs/iostat.c:37:37: warning: initialization of 'struct f2fs_stat_info *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>> fs/f2fs/iostat.c:46:46: error: invalid use of undefined type 'struct f2fs_stat_info'
46 | data_written_to_storage += si->sbi->iostat_bytes[j];
| ^~
fs/f2fs/iostat.c:48:43: error: invalid use of undefined type 'struct f2fs_stat_info'
48 | data_written_by_user += si->sbi->iostat_bytes[j];
| ^~
cc1: some warnings being treated as errors


vim +37 fs/f2fs/iostat.c

26
27 #define IOSTAT_INFO_SHOW(name, type) \
28 seq_printf(seq, "%-23s %-16llu %-16llu %-16llu\n", \
29 name":", sbi->iostat_bytes[type], \
30 sbi->iostat_count[type], \
31 iostat_get_avg_bytes(sbi, type))
32
33 int __maybe_unused iostat_info_seq_show(struct seq_file *seq, void *offset)
34 {
35 struct super_block *sb = seq->private;
36 struct f2fs_sb_info *sbi = F2FS_SB(sb);
> 37 struct f2fs_stat_info *si = F2FS_STAT(sbi);
38 int j;
39 unsigned long long waf = 0;
40 unsigned long long data_written_to_storage = 0, data_written_by_user = 0;
41
42 if (!sbi->iostat_enable)
43 return 0;
44
45 for (j = FS_DATA_IO; j <= FS_CP_META_IO; j++)
> 46 data_written_to_storage += si->sbi->iostat_bytes[j];
47 for (j = FS_DATA_IO; j <= FS_CDATA_IO; j++)
48 data_written_by_user += si->sbi->iostat_bytes[j];
49
50 if (data_written_by_user > 0)
51 waf = data_written_to_storage * 100 / data_written_by_user;
52
53 seq_printf(seq, "time: %-16llu\n", ktime_get_real_seconds());
54 seq_printf(seq, "\t\t\t%-16s %-16s %-16s\n",
55 "io_bytes", "count", "avg_bytes");
56
57 /* print app write IOs */
58 seq_puts(seq, "[WRITE]\n");
59 IOSTAT_INFO_SHOW("app buffered data", APP_BUFFERED_IO);
60 IOSTAT_INFO_SHOW("app direct data", APP_DIRECT_IO);
61 IOSTAT_INFO_SHOW("app mapped data", APP_MAPPED_IO);
62 IOSTAT_INFO_SHOW("app buffered cdata", APP_BUFFERED_CDATA_IO);
63 IOSTAT_INFO_SHOW("app mapped cdata", APP_MAPPED_CDATA_IO);
64
65 /* print fs write IOs */
66 IOSTAT_INFO_SHOW("fs data", FS_DATA_IO);
67 IOSTAT_INFO_SHOW("fs cdata", FS_CDATA_IO);
68 IOSTAT_INFO_SHOW("fs node", FS_NODE_IO);
69 IOSTAT_INFO_SHOW("fs meta", FS_META_IO);
70 IOSTAT_INFO_SHOW("fs gc data", FS_GC_DATA_IO);
71 IOSTAT_INFO_SHOW("fs gc node", FS_GC_NODE_IO);
72 IOSTAT_INFO_SHOW("fs cp data", FS_CP_DATA_IO);
73 IOSTAT_INFO_SHOW("fs cp node", FS_CP_NODE_IO);
74 IOSTAT_INFO_SHOW("fs cp meta", FS_CP_META_IO);
75
76 /* print app read IOs */
77 seq_puts(seq, "[READ]\n");
78 IOSTAT_INFO_SHOW("app buffered data", APP_BUFFERED_READ_IO);
79 IOSTAT_INFO_SHOW("app direct data", APP_DIRECT_READ_IO);
80 IOSTAT_INFO_SHOW("app mapped data", APP_MAPPED_READ_IO);
81 IOSTAT_INFO_SHOW("app buffered cdata", APP_BUFFERED_CDATA_READ_IO);
82 IOSTAT_INFO_SHOW("app mapped cdata", APP_MAPPED_CDATA_READ_IO);
83
84 /* print fs read IOs */
85 IOSTAT_INFO_SHOW("fs data", FS_DATA_READ_IO);
86 IOSTAT_INFO_SHOW("fs gc data", FS_GDATA_READ_IO);
87 IOSTAT_INFO_SHOW("fs cdata", FS_CDATA_READ_IO);
88 IOSTAT_INFO_SHOW("fs node", FS_NODE_READ_IO);
89 IOSTAT_INFO_SHOW("fs meta", FS_META_READ_IO);
90
91 /* print other IOs */
92 seq_puts(seq, "[OTHER]\n");
93 IOSTAT_INFO_SHOW("fs discard", FS_DISCARD_IO);
94 IOSTAT_INFO_SHOW("fs flush", FS_FLUSH_IO);
95
96 /* print waf */
97 seq_puts(seq, "[WAF]\n");
98 seq_printf(seq, "fs waf: %llu.%02llu\n", waf / 100, waf % 100);
99
100 return 0;
101 }
102

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