lib: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 4ceb05d..33b2cbb 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -390,7 +390,7 @@
 	miter->consumed = miter->length;
 
 	if (miter->__flags & SG_MITER_ATOMIC)
-		miter->addr = kmap_atomic(miter->page, KM_BIO_SRC_IRQ) + off;
+		miter->addr = kmap_atomic(miter->page) + off;
 	else
 		miter->addr = kmap(miter->page) + off;
 
@@ -424,7 +424,7 @@
 
 		if (miter->__flags & SG_MITER_ATOMIC) {
 			WARN_ON(!irqs_disabled());
-			kunmap_atomic(miter->addr, KM_BIO_SRC_IRQ);
+			kunmap_atomic(miter->addr);
 		} else
 			kunmap(miter->page);