jbd2: 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/jbd2/commit.c b/fs/jbd2/commit.c
index 073c8c3..0b7d3b8 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -506,7 +506,8 @@
 	if (err)
 		jbd2_journal_abort(journal, err);
 
-	jbd2_journal_write_revoke_records(journal, commit_transaction);
+	jbd2_journal_write_revoke_records(journal, commit_transaction,
+					  write_op);
 
 	jbd_debug(3, "JBD: commit phase 2\n");