Merge tag 'gfs2-4.19.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Andreas writes:
  "gfs2 4.19 fix:

   This fixes a regression introduced in commit 64bc06bb "gfs2:
   iomap buffered write support""

* tag 'gfs2-4.19.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Fix iomap buffered write support for journaled files

fs/gfs2/bmap.c

@@ -975,6 +975,10 @@ static void gfs2_iomap_journaled_page_done(struct inode *inode, loff_t pos,
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
 
+	if (!page_has_buffers(page)) {
+		create_empty_buffers(page, inode->i_sb->s_blocksize,
+				     (1 << BH_Dirty)|(1 << BH_Uptodate));
+	}
 	gfs2_page_add_databufs(ip, page, offset_in_page(pos), copied);
 }