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jbd2: complain about descriptor block checksum errors

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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;