Re: [PATCH] block: Removed a warning while compiling with a cross compiler for parisc

kernel test robot
2021-06-30T13:23:56Z

[-- Attachment #1: Type: text/plain, Size: 3021 bytes --]

Hi Abd-Alrhman,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on block/for-next]
[also build test WARNING on v5.13 next-20210630]
[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/Abd-Alrhman-Masalkhi/block-Removed-a-warning-while-compiling-with-a-cross-compiler-for-parisc/20210630-161407
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/749f487a31d6818dadc37ba729475d0486daf81c
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Abd-Alrhman-Masalkhi/block-Removed-a-warning-while-compiling-with-a-cross-compiler-for-parisc/20210630-161407
git checkout 749f487a31d6818dadc37ba729475d0486daf81c
# save the attached .config to linux build tree
make W=1 ARCH=um SUBARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> block/genhd.c:1110:6: warning: no previous prototype for 'print_disk_stats' [-Wmissing-prototypes]
1110 | void print_disk_stats(struct seq_file *seqf,
| ^~~~~~~~~~~~~~~~

vim +/print_disk_stats +1110 block/genhd.c

1109
> 1110 void print_disk_stats(struct seq_file *seqf,
1111 unsigned int inflight, struct disk_stats *stat)
1112 {
1113 seq_printf(seqf, "%lu %lu %lu %u "
1114 "%lu %lu %lu %u "
1115 "%u %u %u "
1116 "%lu %lu %lu %u "
1117 "%lu %u"
1118 "\n",
1119 stat->ios[STAT_READ],
1120 stat->merges[STAT_READ],
1121 stat->sectors[STAT_READ],
1122 (unsigned int)div_u64(stat->nsecs[STAT_READ],
1123 NSEC_PER_MSEC),
1124 stat->ios[STAT_WRITE],
1125 stat->merges[STAT_WRITE],
1126 stat->sectors[STAT_WRITE],
1127 (unsigned int)div_u64(stat->nsecs[STAT_WRITE],
1128 NSEC_PER_MSEC),
1129 inflight,
1130 jiffies_to_msecs(stat->io_ticks),
1131 (unsigned int)div_u64(stat->nsecs[STAT_READ] +
1132 stat->nsecs[STAT_WRITE] +
1133 stat->nsecs[STAT_DISCARD] +
1134 stat->nsecs[STAT_FLUSH],
1135 NSEC_PER_MSEC),
1136 stat->ios[STAT_DISCARD],
1137 stat->merges[STAT_DISCARD],
1138 stat->sectors[STAT_DISCARD],
1139 (unsigned int)div_u64(stat->nsecs[STAT_DISCARD],
1140 NSEC_PER_MSEC),
1141 stat->ios[STAT_FLUSH],
1142 (unsigned int)div_u64(stat->nsecs[STAT_FLUSH],
1143 NSEC_PER_MSEC)
1144 );
1145 }
1146

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 8657 bytes --]