NFS: Update the blocklayout to use xdr_set_scratch_folio()

Signed-off-by: Anna Schumaker <[e-mail]>

fs/nfs/blocklayout/blocklayout.c

···
 	struct pnfs_layout_segment *lseg;
 	struct xdr_buf buf;
 	struct xdr_stream xdr;
-	struct page *scratch;
+	struct folio *scratch;
 	int status, i;
 	uint32_t count;
 	__be32 *p;
···
 		return ERR_PTR(-ENOMEM);
 
 	status = -ENOMEM;
-	scratch = alloc_page(gfp_mask);
+	scratch = folio_alloc(gfp_mask, 0);
 	if (!scratch)
 		goto out;
 
 	xdr_init_decode_pages(&xdr, &buf,
 			lgr->layoutp->pages, lgr->layoutp->len);
-	xdr_set_scratch_page(&xdr, scratch);
+	xdr_set_scratch_folio(&xdr, scratch);
 
 	status = -EIO;
 	p = xdr_inline_decode(&xdr, 4);
···
 	}
 
 out_free_scratch:
-	__free_page(scratch);
+	folio_put(scratch);
 out:
 	dprintk("%s returns %d\n", __func__, status);
 	switch (status) {

fs/nfs/blocklayout/dev.c

···
 	struct pnfs_block_dev *top;
 	struct xdr_stream xdr;
 	struct xdr_buf buf;
-	struct page *scratch;
+	struct folio *scratch;
 	int nr_volumes, ret, i;
 	__be32 *p;
 
-	scratch = alloc_page(gfp_mask);
+	scratch = folio_alloc(gfp_mask, 0);
 	if (!scratch)
 		goto out;
 
 	xdr_init_decode_pages(&xdr, &buf, pdev->pages, pdev->pglen);
-	xdr_set_scratch_page(&xdr, scratch);
+	xdr_set_scratch_folio(&xdr, scratch);
 
 	p = xdr_inline_decode(&xdr, sizeof(__be32));
 	if (!p)
···
 out_free_volumes:
 	kfree(volumes);
 out_free_scratch:
-	__free_page(scratch);
+	folio_put(scratch);
 out:
 	return node;
 }