We have to check that also the second checkpoint list is non-empty before
dropping the transaction.

Signed-off-by: Jan Kara <jack@suse.cz>

diff -rupX /home/jack/.kerndiffexclude linux-2.6.16-rc1/fs/jbd/commit.c linux-2.6.16-rc1-1-checkpoint-fix/fs/jbd/commit.c
--- linux-2.6.16-rc1/fs/jbd/commit.c	2006-01-15 00:20:12.000000000 +0100
+++ linux-2.6.16-rc1-1-checkpoint-fix/fs/jbd/commit.c	2006-01-17 23:35:19.000000000 +0100
@@ -829,7 +829,8 @@ restart_loop:
 	journal->j_committing_transaction = NULL;
 	spin_unlock(&journal->j_state_lock);
 
-	if (commit_transaction->t_checkpoint_list == NULL) {
+	if (commit_transaction->t_checkpoint_list == NULL &&
+	    commit_transaction->t_checkpoint_io_list == NULL) {
 		__journal_drop_transaction(journal, commit_transaction);
 	} else {
 		if (journal->j_checkpoint_transactions == NULL) {