linux-kernel - Re: [PATCH tip/core/rcu 36/48] nfs: _

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Date:	Wed, 05 May 2010 11:14:03 +0100
From:	David Howells <dhowells@...hat.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Trond Myklebust <Trond.Myklebust@...app.com>
Cc:	dhowells@...hat.com, linux-kernel@...r.kernel.org, mingo@...e.hu,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, dvhltc@...ibm.com, niv@...ibm.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	Valdis.Kletnieks@...edu, eric.dumazet@...il.com,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH tip/core/rcu 36/48] nfs: __rcu annotations

Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:

>  struct nfs_delegation {
>  	struct list_head super_list;
> -	struct rpc_cred *cred;
> +	struct rpc_cred __rcu *cred;
>  	struct inode *inode;
>  	nfs4_stateid stateid;
>  	fmode_t type;

That's unnecessary.  I posted a patch that removed the usage of RCU on that
pointer:

	Date: Tue, 20 Apr 2010 11:26:13 +0100
	Subject: NFS: Fix RCU issues in the NFSv4 delegation code

Did Trond take it?

David
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