Just add one extra line to show when the corruption is detected.
Currently only read time detection is possible.
The planned distinguish line would be:
read time:
<detail report>
block=XXXXX read time tree block corruption detected
write time:
<detail report>
block=XXXXX write time tree block corruption detected
Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
---
v5.2:
- Make the read time error message only for tree checker error.
RAID reconstruction can cause a lot of errors which are expected.
Avoid error message flood for such use case.
---
fs/btrfs/disk-io.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index ffe891e126ff..464e47be8002 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -658,6 +658,10 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
if (!ret)
set_extent_buffer_uptodate(eb);
+ else
+ btrfs_err(fs_info,
+ "block=%llu read time tree block corruption detected",
+ eb->start);
err:
if (reads_done &&
test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
--
2.20.1
