diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index d6e076c..106aca3 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -88,7 +88,6 @@
 	BUG_ON(PagePrivate(page));
 	BUG_ON(!PageLocked(page));
 	BUG_ON(page->mapping->host != inode);
-	SetPagePrivate(page);
 	req->wb_offset  = offset;
 	req->wb_pgbase	= offset;
 	req->wb_bytes   = count;
@@ -136,9 +135,11 @@
 {
 	struct nfs_inode *nfsi = NFS_I(req->wb_context->dentry->d_inode);
 
-	spin_lock(&nfsi->req_lock);
-	radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_WRITEBACK);
-	spin_unlock(&nfsi->req_lock);
+	if (req->wb_page != NULL) {
+		spin_lock(&nfsi->req_lock);
+		radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_WRITEBACK);
+		spin_unlock(&nfsi->req_lock);
+	}
 	nfs_unlock_request(req);
 }
 
@@ -153,7 +154,6 @@
 {
 	struct page *page = req->wb_page;
 	if (page != NULL) {
-		ClearPagePrivate(page);
 		page_cache_release(page);
 		req->wb_page = NULL;
 	}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 647e321..d9e5ee59 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -429,6 +429,7 @@
 		if (nfs_have_delegation(inode, FMODE_WRITE))
 			nfsi->change_attr++;
 	}
+	SetPagePrivate(req->wb_page);
 	nfsi->npages++;
 	atomic_inc(&req->wb_count);
 	return 0;
@@ -445,6 +446,7 @@
 	BUG_ON (!NFS_WBACK_BUSY(req));
 
 	spin_lock(&nfsi->req_lock);
+	ClearPagePrivate(req->wb_page);
 	radix_tree_delete(&nfsi->nfs_page_tree, req->wb_index);
 	nfsi->npages--;
 	if (!nfsi->npages) {