diff --git a/fs/namei.c b/fs/namei.c
index 00df735..83c843b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2718,8 +2718,12 @@
 	if (new_dentry == trap)
 		goto exit5;
 
+	error = mnt_want_write(oldnd.path.mnt);
+	if (error)
+		goto exit5;
 	error = vfs_rename(old_dir->d_inode, old_dentry,
 				   new_dir->d_inode, new_dentry);
+	mnt_drop_write(oldnd.path.mnt);
 exit5:
 	dput(new_dentry);
 exit4: