fs/jbd2/transaction.c

1124 	 * committed_data record after the transaction, so we HAVE to force the
1388 	char *committed_data = NULL;
1401 	 * make sure that obtaining the committed_data is done
1410 		committed_data = jbd2_alloc(jh2bh(jh)->b_size,
1418 		if (!committed_data) {
1423 		jh->b_committed_data = committed_data;
1424 		committed_data = NULL;
1430 	if (unlikely(committed_data))
1431 		jbd2_free(committed_data, bh->b_size);
2246  *  The bitmap committed_data images guarantee this: any block which is
2248  *  as in-use in the committed_data bitmap, so cannot be reused until