diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 7b4088b..d6f4763 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -25,6 +25,7 @@
 #include <linux/writeback.h>
 #include <linux/backing-dev.h>
 #include <linux/bio.h>
+#include <linux/blkdev.h>
 #include <trace/events/jbd2.h>
 
 /*
@@ -83,6 +84,34 @@ nope:
 	__brelse(bh);
 }
 
+static void end_empty_barrier(struct bio *bio, int err)
+{
+	if (err) {
+		if (err == -EOPNOTSUPP)
+			set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
+		clear_bit(BIO_UPTODATE, &bio->bi_flags);
+	}
+	complete(bio->bi_private);
+}
+
+struct bio *issue_flush(struct block_device *bdev, struct completion *wait)
+{
+
+	struct bio *bio;
+
+	if (!bdev->bd_disk || !bdev->bd_disk->queue)
+		return NULL;
+
+	bio = bio_alloc(GFP_KERNEL, 0);
+	if (!bio)
+		return NULL;
+	bio->bi_end_io = end_empty_barrier;
+	bio->bi_private = wait;
+	bio->bi_bdev = bdev;
+	submit_bio(WRITE_BARRIER, bio);
+	return bio;
+}
+
 /*
  * Done it all: now submit the commit record.  We should have
  * cleaned up our previous buffers by now, so if we are in abort
@@ -133,8 +162,8 @@ static int journal_submit_commit_record(journal_t *journal,
 	bh->b_end_io = journal_end_buffer_io_sync;
 
 	if (journal->j_flags & JBD2_BARRIER &&
-		!JBD2_HAS_INCOMPAT_FEATURE(journal,
-					 JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+	    !JBD2_HAS_INCOMPAT_FEATURE(journal,
+				       JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
 		set_buffer_ordered(bh);
 		barrier_done = 1;
 	}
@@ -352,6 +381,8 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 	transaction_t *commit_transaction;
 	struct journal_head *jh, *new_jh, *descriptor;
 	struct buffer_head **wbuf = journal->j_wbuf;
+	struct bio *bio_flush = NULL;
+	DECLARE_COMPLETION_ONSTACK(wait_flush);
 	int bufs;
 	int flags;
 	int err;
@@ -707,11 +738,13 @@ start_journal_io:
 	/* Done it all: now write the commit record asynchronously. */
 
 	if (JBD2_HAS_INCOMPAT_FEATURE(journal,
-		JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+				      JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
 		err = journal_submit_commit_record(journal, commit_transaction,
 						 &cbh, crc32_sum);
 		if (err)
 			__jbd2_journal_abort_hard(journal);
+		if (journal->j_flags & JBD2_BARRIER)
+			bio_flush = issue_flush(journal->j_dev, &wait_flush);
 	}
 
 	/*
@@ -833,8 +866,13 @@ wait_for_iobuf:
 
 	jbd_debug(3, "JBD: commit phase 5\n");
 
-	if (!JBD2_HAS_INCOMPAT_FEATURE(journal,
-		JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+	if (JBD2_HAS_INCOMPAT_FEATURE(journal,
+				      JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+		if (bio_flush) {
+			wait_for_completion(&wait_flush);
+			bio_put(bio_flush);
+		}
+	} else {
 		err = journal_submit_commit_record(journal, commit_transaction,
 						&cbh, crc32_sum);
 		if (err)