netdev - Re: [PATCH 3/3] netlink: Lock out table resizes while dumping Netlink sockets

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Message-ID: <20150122095024.GA5281@gondor.apana.org.au>
Date:	Thu, 22 Jan 2015 20:50:24 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	Patrick McHardy <kaber@...sh.net>, davem@...emloft.net,
	paulmck@...ux.vnet.ibm.com, ying.xue@...driver.com,
	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH 3/3] netlink: Lock out table resizes while dumping
 Netlink sockets

On Thu, Jan 22, 2015 at 09:05:18AM +0000, Thomas Graf wrote:
>
> What did you think of the idea to let the user store the walker
> bit for rhashtable?

The problem with that is the bit is needed to indicate special
walker objects which the user won't be able to decipher (see
xfrm_state_walk).

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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