jbd2_journal_errno 2910 fs/ext4/super.c j_errno = jbd2_journal_errno(journal); jbd2_journal_errno 717 fs/ocfs2/journal.c olderr = jbd2_journal_errno(journal); jbd2_journal_errno 1073 include/linux/jbd2.h extern int jbd2_journal_errno (journal_t *);