frontswap: s/put_page/store/g s/get_page/load

Sounds so much more natural.

Suggested-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/mm/page_io.c b/mm/page_io.c
index 651a912..34f0292 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -99,7 +99,7 @@
 		unlock_page(page);
 		goto out;
 	}
-	if (frontswap_put_page(page) == 0) {
+	if (frontswap_store(page) == 0) {
 		set_page_writeback(page);
 		unlock_page(page);
 		end_page_writeback(page);
@@ -129,7 +129,7 @@
 
 	VM_BUG_ON(!PageLocked(page));
 	VM_BUG_ON(PageUptodate(page));
-	if (frontswap_get_page(page) == 0) {
+	if (frontswap_load(page) == 0) {
 		SetPageUptodate(page);
 		unlock_page(page);
 		goto out;