On Tue, Aug 23, 2016 at 10:21:40PM +0000, Trond Myklebust wrote:
>
> > On Aug 23, 2016, at 17:05, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote:
> >
> >>
> >> On Aug 23, 2016, at 4:53 PM, J. Bruce Fields <bfields@xxxxxxxxxxxx> wrote:
> >>
> >> On Tue, Aug 23, 2016 at 01:39:15PM -0400, Chuck Lever wrote:
> >>> Hi Bruce-
> >>>
> >>>
> >>>> On Aug 22, 2016, at 2:57 PM, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote:
> >>>>
> >>>> Using NFSv4.1 on RDMA should be safe, so broaden the new checks in
> >>>> rpc_create().
> >>>>
> >>>> WARN_ON_ONCE is used, matching most other WARN call sites in clnt.c.
> >>>>
> >>>> Fixes: 39a9beab5acb ("rpc: share one xps between all backchannels")
> >>>> Fixes: d50039ea5ee6 ("nfsd4/rpc: move backchannel create logic...")
> >>>> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
> >>>> ---
> >>>
> >>> Do you want to take this, or should it go through Trond/Anna ?
> >>
> >> I don't care, feel free to add my reviewed-by: if it goes through
> >> someone else.
> >>
> >> Looks like this should be for 4.8 (and stable), not 4.9?
> >
> > I won't disagree with that.
> >
> > I think Trond or Anna need to weigh in on all questions
> > (who takes it, does it go to stable as well).
>
> If you want it in for 4.8, then I can pull it in together with the current bugfixes. Does that work for everyone?
That'd be great, thanks.--b.
>
> >
> >
> >> --b.
> >>
> >>>
> >>>
> >>>> net/sunrpc/clnt.c | 4 ++--
> >>>> 1 file changed, 2 insertions(+), 2 deletions(-)
> >>>>
> >>>> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> >>>> index 7f79fb7..66f23b3 100644
> >>>> --- a/net/sunrpc/clnt.c
> >>>> +++ b/net/sunrpc/clnt.c
> >>>> @@ -453,7 +453,7 @@ static struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
> >>>> struct rpc_xprt_switch *xps;
> >>>>
> >>>> if (args->bc_xprt && args->bc_xprt->xpt_bc_xps) {
> >>>> - WARN_ON(args->protocol != XPRT_TRANSPORT_BC_TCP);
> >>>> + WARN_ON_ONCE(!(args->protocol & XPRT_TRANSPORT_BC));
> >>>> xps = args->bc_xprt->xpt_bc_xps;
> >>>> xprt_switch_get(xps);
> >>>> } else {
> >>>> @@ -520,7 +520,7 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
> >>>> char servername[48];
> >>>>
> >>>> if (args->bc_xprt) {
> >>>> - WARN_ON(args->protocol != XPRT_TRANSPORT_BC_TCP);
> >>>> + WARN_ON_ONCE(!(args->protocol & XPRT_TRANSPORT_BC));
> >>>> xprt = args->bc_xprt->xpt_bc_xprt;
> >>>> if (xprt) {
> >>>> xprt_get(xprt);
> >>>>
> >>>> --
> >>>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
> >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
> >>>
> >>> --
> >>> Chuck Lever
> >
> > --
> > Chuck Lever
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