jbd: use SWRITE_SYNC_PLUG when writing synchronous revoke records

The revoke records must be written using the same way as the rest of
the blocks during the commit process; that is, either marked as
synchronous writes or as asynchornous writes.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index a8e8513..06560c5 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -502,7 +502,7 @@
 		err = 0;
 	}
 
-	journal_write_revoke_records(journal, commit_transaction);
+	journal_write_revoke_records(journal, commit_transaction, write_op);
 
 	/*
 	 * If we found any dirty or locked buffers, then we should have