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jbd2: If a journal checksum error is detected, propagate the error to ext4

Browse source 
If a journal checksum error is detected, the ext4 filesystem will call
ext4_error(), and the mount will either continue, become a read-only
mount, or cause a kernel panic based on the superblock flags
indicating the user's preference of what to do in case of filesystem
corruption being detected.

Signed-off-by: "Theodore Ts'o" <[email protected]>
This commit is contained in:
Theodore Ts'o 2008-06-06 17:50:40 -04:00
commit 624080eded
3 changed files with 30 additions and 7 deletions
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11
fs/jbd2/recovery.c
View file

@ -611,9 +611,8 @@ static int do_one_pass(journal_t *journal,
chksum_err = chksum_seen = 0;
if (info->end_transaction) {
printk(KERN_ERR "JBD: Transaction %u "
"found to be corrupt.\n",
next_commit_ID - 1);
journal->j_failed_commit =
info->end_transaction;
brelse(bh);
break;
}
@ -644,10 +643,8 @@ static int do_one_pass(journal_t *journal,
if (!JBD2_HAS_INCOMPAT_FEATURE(journal,
JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)){
printk(KERN_ERR
"JBD: Transaction %u "
"found to be corrupt.\n",
next_commit_ID);
journal->j_failed_commit =
next_commit_ID;
brelse(bh);
break;
}