static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
unsigned int more)
{
- if (out)
- flush_dcache_page(scatterwalk_page(walk));
+ if (out) {
+ struct page *page;
+
+ page = walk->sg->page + ((walk->offset - 1) >> PAGE_SHIFT);
+ flush_dcache_page(page);
+ }
if (more) {
walk->offset += PAGE_SIZE - 1;
memcpy_dir(buf, vaddr, len_this_page, out);
scatterwalk_unmap(vaddr, out);
+ scatterwalk_advance(walk, len_this_page);
+
if (nbytes == len_this_page)
break;
scatterwalk_pagedone(walk, out, 1);
}
-
- scatterwalk_advance(walk, nbytes);
}
EXPORT_SYMBOL_GPL(scatterwalk_copychunks);