We should complain in dmesg when journal recovery fails on account of
the descriptor block being corrupt, so that the diagnostic data can
be recovered.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/jbd2/recovery.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index bcbef08..b5128c6 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -524,6 +524,9 @@ static int do_one_pass(journal_t *journal,
if (descr_csum_size > 0 &&
!jbd2_descr_block_csum_verify(journal,
bh->b_data)) {
+ printk(KERN_ERR "JBD2: Invalid checksum "
+ "recovering block %lu in log\n",
+ next_log_block);
err = -EIO;
brelse(bh);
goto failed;
--
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