aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorQiuyang Sun <sunqiuyang@huawei.com>2019-09-23 12:24:59 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2019-12-09 17:23:19 -0800
commit05fee40110881bab81de649bdb8462dfbdd19220 (patch)
treed0c06196140224832b2413b787e4888257fc0374
parent51e7d6dee33b1117875cc6628216af7b4aeba6ab (diff)
downloadf2fs-tools-05fee40110881bab81de649bdb8462dfbdd19220.tar.gz
fsck.f2fs: check total_segments from devices in raw_super
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>
-rw-r--r--fsck/mount.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fsck/mount.c b/fsck/mount.c
index 4814dfe..7d268e3 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -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);