diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 06e5a72b5fa233dd6acbf614de8d5d721d2c427c..3e7d42fb775cbbc5597d2f499d2af80cd4c7cff0 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -107,6 +107,8 @@ static int nfs4_map_errors(int err)
 		return -EPROTONOSUPPORT;
 	case -NFS4ERR_ACCESS:
 		return -EACCES;
+	case -NFS4ERR_FILE_OPEN:
+		return -EBUSY;
 	default:
 		dprintk("%s could not handle NFSv4 error %d\n",
 				__func__, -err);