jbd2_journal_start_reserved 130 fs/ext4/ext4_jbd2.c err = jbd2_journal_start_reserved(handle, type, line); jbd2_journal_start_reserved 577 fs/jbd2/transaction.c EXPORT_SYMBOL(jbd2_journal_start_reserved); jbd2_journal_start_reserved 1365 include/linux/jbd2.h extern int jbd2_journal_start_reserved(handle_t *handle,