create: deal with EBUSY, fixes #8123
@@ -199,6 +199,7 @@ class BackupIO:
E_MAP = {
errno.EPERM: BackupPermissionError,
errno.EACCES: BackupPermissionError,
+ errno.EBUSY: BackupPermissionError,
errno.ENOENT: BackupFileNotFoundError,
errno.EIO: BackupIOError,
}