/* For the data=writeback case we can already ignore buffer heads and write whole extents at once. This is a big reduction in the number of I/O requests we send and the bmap calls we make in this case.  */
static int gfs2_writeback_writepages(struct address_space *mapping, struct writeback_control *wbc)
/* For the data=writeback case we can already ignore buffer heads and write whole extents at once. This is a big reduction in the number of I/O requests we send and the bmap calls we make in this case.  */
static int gfs2_writeback_writepages(struct address_space *mapping, struct writeback_control *wbc)
{
	return mpage_writepages(mapping, wbc, gfs2_get_block_noalloc);
}