Update fs/ to use sg helpers

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 1ae90ef..0a9882e 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -283,7 +283,7 @@
 		pg = virt_to_page(addr);
 		offset = offset_in_page(addr);
 		if (sg) {
-			sg[i].page = pg;
+			sg_set_page(&sg[i], pg);
 			sg[i].offset = offset;
 		}
 		remainder_of_page = PAGE_CACHE_SIZE - offset;
@@ -713,10 +713,13 @@
 {
 	struct scatterlist src_sg, dst_sg;
 
-	src_sg.page = src_page;
+	sg_init_table(&src_sg, 1);
+	sg_init_table(&dst_sg, 1);
+
+	sg_set_page(&src_sg, src_page);
 	src_sg.offset = src_offset;
 	src_sg.length = size;
-	dst_sg.page = dst_page;
+	sg_set_page(&dst_sg, dst_page);
 	dst_sg.offset = dst_offset;
 	dst_sg.length = size;
 	return encrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);
@@ -742,10 +745,13 @@
 {
 	struct scatterlist src_sg, dst_sg;
 
-	src_sg.page = src_page;
+	sg_init_table(&src_sg, 1);
+	sg_init_table(&dst_sg, 1);
+
+	sg_set_page(&src_sg, src_page);
 	src_sg.offset = src_offset;
 	src_sg.length = size;
-	dst_sg.page = dst_page;
+	sg_set_page(&dst_sg, dst_page);
 	dst_sg.offset = dst_offset;
 	dst_sg.length = size;
 	return decrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);