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fsck.f2fs: check total_segments from devices in raw_super

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For multi-device F2FS, we should check if the sum of total_segments from
all devices matches segment_count.

Signed-off-by: Qiuyang Sun <sunqiuyang@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Qiuyang Sun 2019-09-23 12:24:59 +08:00 committed by Jaegeuk Kim
parent 51e7d6dee3
commit 05fee40110
1 changed files with 15 additions and 0 deletions
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15
fsck/mount.c
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@ -782,6 +782,21 @@ int sanity_check_raw_super(struct f2fs_super_block *sb, enum SB_ADDR sb_addr)
return 1;
}
if (sb->devs[0].path[0]) {
unsigned int dev_segs = le32_to_cpu(sb->devs[0].total_segments);
int i = 1;
while (i < MAX_DEVICES && sb->devs[i].path[0]) {
dev_segs += le32_to_cpu(sb->devs[i].total_segments);
i++;
}
if (segment_count != dev_segs) {
MSG(0, "Segment count (%u) mismatch with total segments from devices (%u)",
segment_count, dev_segs);
return 1;
}
}
if (secs_per_zone > total_sections || !secs_per_zone) {
MSG(0, "Wrong secs_per_zone / total_sections (%u, %u)\n",
secs_per_zone, total_sections);