fs/bcachefs/super.c:1096:59-60: Unneeded semicolon
From: kernel test robot
Date: Wed Sep 11 2024 - 05:01:06 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8d8d276ba2fb5f9ac4984f5c10ae60858090babc
commit: 0d529663f04be744d6af879889c5b16e46286ce1 bcachefs: Split brain detection
date: 8 months ago
config: loongarch-randconfig-r063-20240911 (https://download.01.org/0day-ci/archive/20240911/202409111620.WGpinYej-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409111620.WGpinYej-lkp@xxxxxxxxx/
cocci warnings: (new ones prefixed by >>)
>> fs/bcachefs/super.c:1096:59-60: Unneeded semicolon
fs/bcachefs/super.c:1100:59-60: Unneeded semicolon
vim +1096 fs/bcachefs/super.c
1065
1066 static int bch2_dev_in_fs(struct bch_sb_handle *fs,
1067 struct bch_sb_handle *sb)
1068 {
1069 if (fs == sb)
1070 return 0;
1071
1072 if (!uuid_equal(&fs->sb->uuid, &sb->sb->uuid))
1073 return -BCH_ERR_device_not_a_member_of_filesystem;
1074
1075 if (!bch2_dev_exists(fs->sb, sb->sb->dev_idx))
1076 return -BCH_ERR_device_has_been_removed;
1077
1078 if (fs->sb->block_size != sb->sb->block_size)
1079 return -BCH_ERR_mismatched_block_size;
1080
1081 if (le16_to_cpu(fs->sb->version) < bcachefs_metadata_version_member_seq ||
1082 le16_to_cpu(sb->sb->version) < bcachefs_metadata_version_member_seq)
1083 return 0;
1084
1085 if (fs->sb->seq == sb->sb->seq &&
1086 fs->sb->write_time != sb->sb->write_time) {
1087 struct printbuf buf = PRINTBUF;
1088
1089 prt_printf(&buf, "Split brain detected between %pg and %pg:",
1090 sb->bdev, fs->bdev);
1091 prt_newline(&buf);
1092 prt_printf(&buf, "seq=%llu but write_time different, got", le64_to_cpu(sb->sb->seq));
1093 prt_newline(&buf);
1094
1095 prt_printf(&buf, "%pg ", fs->bdev);
> 1096 bch2_prt_datetime(&buf, le64_to_cpu(fs->sb->write_time));;
1097 prt_newline(&buf);
1098
1099 prt_printf(&buf, "%pg ", sb->bdev);
1100 bch2_prt_datetime(&buf, le64_to_cpu(sb->sb->write_time));;
1101 prt_newline(&buf);
1102
1103 prt_printf(&buf, "Not using older sb");
1104
1105 pr_err("%s", buf.buf);
1106 printbuf_exit(&buf);
1107 return -BCH_ERR_device_splitbrain;
1108 }
1109
1110 struct bch_member m = bch2_sb_member_get(fs->sb, sb->sb->dev_idx);
1111 u64 seq_from_fs = le64_to_cpu(m.seq);
1112 u64 seq_from_member = le64_to_cpu(sb->sb->seq);
1113
1114 if (seq_from_fs && seq_from_fs < seq_from_member) {
1115 pr_err("Split brain detected between %pg and %pg:\n"
1116 "%pg believes seq of %pg to be %llu, but %pg has %llu\n"
1117 "Not using %pg",
1118 sb->bdev, fs->bdev,
1119 fs->bdev, sb->bdev, seq_from_fs,
1120 sb->bdev, seq_from_member,
1121 sb->bdev);
1122 return -BCH_ERR_device_splitbrain;
1123 }
1124
1125 return 0;
1126 }
1127
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