diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index dbfb35fb0ff7..504107dd6bab 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -144,8 +144,17 @@ static int ovl_real_fdget(const struct file *file, struct fd *real)
 static int ovl_open(struct inode *inode, struct file *file)
 {
 	struct file *realfile;
+	struct inode *lowerinode, *upperinode;
 	int err;
 
+	lowerinode = ovl_inode_lower(inode);
+	upperinode = ovl_inode_upper(inode);
+
+	if (((file->f_mode & FMODE_WRITE) || file->f_flags & O_TRUNC) && 
+	    ((lowerinode && atomic_read(&lowerinode->i_writecount) < 0) ||
+	     (upperinode && atomic_read(&upperinode->i_writecount) < 0)))
+		return -ETXTBSY;
+
 	err = ovl_maybe_copy_up(file_dentry(file), file->f_flags);
 	if (err)
 		return err;