[PATCH] rxrpc_find_service_conn_rcu: use read_seqbegin() rather than read_seqbegin_or_lock()

[Oleg Nesterov]

On 11/16, David Howells wrote:
>
> Oleg Nesterov <oleg at redhat.com> wrote:
>
> > > > 	- the usage of read_seqbegin_or_lock/need_seqretry in
> > > > 	  this code makes no sense because read_seqlock_excl()
> > > > 	  is not possible
> > >
> > > Not exactly.  I think it should take a lock on the second pass.
> >
> > OK, then how about the patch below?
>
> That seems to work.

OK, I'll send V2 tomorrow.

Should I change fs/afs the same way?

Oleg.