From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Qi Date: Wed, 20 May 2015 18:25:16 +0800 Subject: [Ocfs2-devel] [PATCH v2] ocfs2: do not BUG if jbd2_journal_dirty_metadata fails In-Reply-To: <555C4434.7090807@oracle.com> References: <55515D2B.8010202@huawei.com> <555C4434.7090807@oracle.com> Message-ID: <555C610C.3020902@huawei.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com On 2015/5/20 16:22, Junxiao Bi wrote: > On 05/12/2015 09:53 AM, Joseph Qi wrote: >> jbd2_journal_dirty_metadata may fail. Currently it cannot take care of >> non zero return value and just BUG in ocfs2_journal_dirty. >> This patch is aborting the handle and journal instead of BUG. >> >> Signed-off-by: Joseph Qi >> Cc: joyce.xue >> --- >> fs/ocfs2/journal.c | 12 +++++++++++- >> 1 file changed, 11 insertions(+), 1 deletion(-) >> >> diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c >> index ff53192..eefca1e 100644 >> --- a/fs/ocfs2/journal.c >> +++ b/fs/ocfs2/journal.c >> @@ -775,7 +775,17 @@ void ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh) >> trace_ocfs2_journal_dirty((unsigned long long)bh->b_blocknr); >> >> status = jbd2_journal_dirty_metadata(handle, bh); >> - BUG_ON(status); >> + if (status) { >> + mlog_errno(status); >> + if (!is_handle_aborted(handle)) { >> + journal_t *journal = handle->h_transaction->t_journal; >> + >> + mlog(ML_ERROR, "jbd2_journal_dirty_metadata failed. " >> + "Aborting transaction and journal."); >> + handle->h_err = status; >> + jbd2_journal_abort_handle(handle); >> + jbd2_journal_abort(journal, status); > Let fs go after journal lose affect seemed not safe, may we set fs > read-only here? > > Thanks, > Junxiao. > > Do you mean journal can still be updated even if it is aborted? >> + } >> + } >> } >> >> #define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE) >> > > >