linux-kernel - Re: Linux should define ENOTSUP

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Date:	Wed, 6 Dec 2006 17:14:05 +0100
From:	Samuel Thibault <samuel.thibault@...-lyon.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Linux should define ENOTSUP

H. Peter Anvin, le Wed 06 Dec 2006 07:35:49 -0800, a écrit :
> Samuel Thibault wrote:
> >>The two can't be done at the same time.  In fact, the two probably can't 
> >>be done without a period of quite a few *years* between them.
> >
> >Not a reason for not doing it ;)
> 
> No, but breakage is.  There has to be a major benefit to justify the 
> cost, and you, at least, have not provided such a justification.

Well, as I said, existing code like

switch(errno) {
	case ENOTSUP:
		foo();
		break;
	case EOPNOTSUP:
		bar();
		break;
}

Samuel
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