netdev - Re: [PATCH net-next] tipc: convert tipc reference table to use generic rhashtable

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Message-Id: <20150104.234309.1238789079887665107.davem@davemloft.net>
Date:	Sun, 04 Jan 2015 23:43:09 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	ying.xue@...driver.com, netdev@...r.kernel.org,
	jon.maloy@...csson.com, Paul.Gortmaker@...driver.com,
	erik.hugne@...csson.com, tipc-discussion@...ts.sourceforge.net
Subject: Re: [PATCH net-next] tipc: convert tipc reference table to use
 generic rhashtable

From: Thomas Graf <tgraf@...g.ch>
Date: Sun, 4 Jan 2015 09:53:20 +0000

> As a further optimization, you could add a new atomic function
> rhashtable_lookup_and_insert() which holds the per bucket lock during
> lookup and use that instead. This would allow you to get rid of the
> mutex alltogether.

This would definitely be a better implementation in my opinion.
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