Re: [PATCH 36/38] vfs: Add a sample program for the new mount API [ver #10]

From: David Howells
Date: Mon Jul 30 2018 - 11:33:19 EST

Pavel Machek <pavel@xxxxxx> wrote:

> Well, I guess errors should have numbers, and catalog explaining what
> error means what. That way userspace can translate, and it is what we
> do with errno.
> I believe numbers are best. If you hate numbers, you can still use
> strings, as long as you can enumerate them in docs (but it will be
> strange design).

Simply returning error numbers is *not* sufficient. The messages need to be