3 files changed, 4 insertions, 4 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 137b549e63d..b68536cc904 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -115,7 +115,7 @@ int nfs_set_page_tag_locked(struct nfs_page *req)
 {
 	if (!nfs_lock_request_dontget(req))
 		return 0;
-	if (req->wb_page != NULL)
+	if (test_bit(PG_MAPPED, &req->wb_flags))
 		radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
 	return 1;
 }
@@ -125,7 +125,7 @@ int nfs_set_page_tag_locked(struct nfs_page *req)
  */
 void nfs_clear_page_tag_locked(struct nfs_page *req)
 {
-	if (req->wb_page != NULL) {
+	if (test_bit(PG_MAPPED, &req->wb_flags)) {
 		struct inode *inode = req->wb_context->path.dentry->d_inode;
 		struct nfs_inode *nfsi = NFS_I(inode);
 
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index e4b62c6f5a6..aedcaa7f291 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -152,7 +152,6 @@ static void nfs_readpage_release(struct nfs_page *req)
 			(long long)NFS_FILEID(req->wb_context->path.dentry->d_inode),
 			req->wb_bytes,
 			(long long)req_offset(req));
-	nfs_clear_request(req);
 	nfs_release_request(req);
 }
 
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 4c14c17a527..10d648ea128 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -390,6 +390,7 @@ static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
 		if (nfs_have_delegation(inode, FMODE_WRITE))
 			nfsi->change_attr++;
 	}
+	set_bit(PG_MAPPED, &req->wb_flags);
 	SetPagePrivate(req->wb_page);
 	set_page_private(req->wb_page, (unsigned long)req);
 	nfsi->npages++;
@@ -415,6 +416,7 @@ static void nfs_inode_remove_request(struct nfs_page *req)
 	spin_lock(&inode->i_lock);
 	set_page_private(req->wb_page, 0);
 	ClearPagePrivate(req->wb_page);
+	clear_bit(PG_MAPPED, &req->wb_flags);
 	radix_tree_delete(&nfsi->nfs_page_tree, req->wb_index);
 	nfsi->npages--;
 	if (!nfsi->npages) {
@@ -422,7 +424,6 @@ static void nfs_inode_remove_request(struct nfs_page *req)
 		iput(inode);
 	} else
 		spin_unlock(&inode->i_lock);
-	nfs_clear_request(req);
 	nfs_release_request(req);
 }