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Message-Id: <20070828.215445.38711684.davem@davemloft.net>
Date: Tue, 28 Aug 2007 21:54:45 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: akpm@...ux-foundation.org
Cc: jack@...e.cz, linux-kernel@...r.kernel.org, balbir@...ibm.com,
serue@...ibm.com, ebiederm@...ssion.com, containers@...ts.osdl.org
Subject: Re: [PATCH] Send quota messages via netlink
From: Andrew Morton <akpm@...ux-foundation.org>
Date: Tue, 28 Aug 2007 21:13:35 -0700
> This is it. Normally netlink payloads are represented as a struct. How
> come this one is built-by-hand?
He is using attributes, which is perfect and arbitrarily
extensible with zero backwards compatability concerns.
If he wants to provide a new attribute, he just adds it
without any issues.
When new attributes are added, older apps simply ignore the attributes
they don't understand.
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