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jbd2: complain about descriptor block checksum errors 

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@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Darrick J. Wong 2015-01-19 15:59:58 -05:00 committed by Theodore Ts'o
parent 3b421b80be
commit b6924225c2
1 changed files with 3 additions and 0 deletions
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3
fs/jbd2/recovery.c
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@ -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;