linux-kernel - Re: [PATCH] acct: eliminate compile warning

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Date:	Wed, 5 Nov 2014 14:37:54 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Ying Xue <ying.xue@...driver.com>, linux-kernel@...r.kernel.org,
	jack@...e.cz
Subject: Re: [PATCH] acct: eliminate compile warning

On Tue, Aug 26, 2014 at 04:25:01PM -0700, Andrew Morton wrote:

> We could actually do
> 
> 	if (ACCT_VERSION == 3)
> 		...
> 
> in lots of places in acct.c.  The code would be less ugly and
> compilation coverage testing would improve.

... too much.  Finally got around to trying that; the problem is that
you can't do that in structure declarations.  acct_t is either struct
acct, or struct acct_v3, and while we could split fill_ac() into
v3 and v1/v2 versions, it still doesn't sort everything out.  So it
looks like that idea is no-go ;-/
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