Re: [PATCH v2] lockd: get rid of reference-counted NSM RPC clients

[Trond Myklebust]

On Wed, Oct 7, 2015 at 7:39 AM, Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> wrote:
> Currently we have reference-counted per-net NSM RPC client
> which created on the first monitor request and destroyed
> after the last unmonitor request. It's needed because
> RPC client need to know 'utsname()->nodename', but utsname()
> might be NULL when nsm_unmonitor() called.
>

The other reason for keeping the rpc_client around is to avoid a need
to do portmapper/rpcbind lookups in a net namespace that may be in the
process of shutting down. This patchset will reintroduce that
requirement.

Cheers
  Trond
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