linux-kernel - Re: [PATCH v4 0/8] SUNRPC: make rpcbind clients allocated and destroyed dynamically

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Message-ID: <20110920072406.378f5ebd@corrin.poochiereds.net>
Date:	Tue, 20 Sep 2011 07:24:06 -0400
From:	Jeff Layton <jlayton@...hat.com>
To:	Stanislav Kinsbursky <skinsbursky@...allels.com>
Cc:	Trond.Myklebust@...app.com, linux-nfs@...r.kernel.org,
	xemul@...allels.com, neilb@...e.de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, bfields@...ldses.org,
	davem@...emloft.net
Subject: Re: [PATCH v4 0/8] SUNRPC: make rpcbind clients allocated and
 destroyed dynamically

On Tue, 20 Sep 2011 14:13:32 +0400
Stanislav Kinsbursky <skinsbursky@...allels.com> wrote:

> v4:
> 1) creation and destruction on rpcbind clients now depends on service program
> versions "vs_hidden" flag.
> 
> This patch is required for further RPC layer virtualization, because rpcbind
> clients have to be per network namespace.
> To achive this, we have to untie network namespace from rpcbind clients sockets.
> The idea of this patch set is to make rpcbind clients non-static. I.e. rpcbind
> clients will be created during first RPC service creation, and destroyed when
> last RPC service is stopped.
> With this patch set rpcbind clients can be virtualized easely.
> 
> 
> The following series consists of:
> 
> ---
> 
> Stanislav Kinsbursky (8):
>       SUNRPC: introduce helpers for reference counted rpcbind clients
>       SUNRPC: use rpcbind reference counting helpers
>       SUNRPC: introduce svc helpers for prepairing rpcbind infrastructure
>       SUNRPC: setup rpcbind clients if service requires it
>       SUNRPC: cleanup service destruction
>       NFSd: call svc rpcbind cleanup explicitly
>       SUNRPC: remove rpcbind clients creation during service registering
>       SUNRPC: remove rpcbind clients destruction on module cleanup
> 
> 
>  fs/nfsd/nfssvc.c            |    2 +
>  include/linux/sunrpc/clnt.h |    2 +
>  include/linux/sunrpc/svc.h  |    1 +
>  net/sunrpc/rpcb_clnt.c      |   85 ++++++++++++++++++++++++++++---------------
>  net/sunrpc/sunrpc_syms.c    |    3 --
>  net/sunrpc/svc.c            |   48 +++++++++++++++++++++++-
>  6 files changed, 105 insertions(+), 36 deletions(-)
> 

Patchset looks good to me. The only remaining thing I think is to set
vs_hidden on nfs4_callback_version4, but that patch is orthogonal to
this set.

Reviewed-by: Jeff Layton <jlayton@...hat.com>
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