[GFS2] Fix bug in super block reading code

This gets the argument to submit_bio() correct.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 48fd4cb49..3c318a9 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -167,6 +167,8 @@
 
 	if (!error)
 		SetPageUptodate(page);
+	else
+		printk(KERN_WARNING "gfs2: error %d reading superblock\n", error);
 	unlock_page(page);
 	return 0;
 }
@@ -196,7 +198,7 @@
 
 	bio->bi_end_io = end_bio_io_page;
 	bio->bi_private = page;
-	submit_bio(READ | BIO_RW_SYNC, bio);
+	submit_bio(READ_SYNC, bio);
 	wait_on_page_locked(page);
 	bio_put(bio);
 	if (!PageUptodate(page)) {