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SUNRPC: Silence WARN_ON when NFSv4.1 over RDMA is in use 

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: 39a9beab5a ("rpc: share one xps between all backchannels")
Fixes: d50039ea5e ("nfsd4/rpc: move backchannel create logic...")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Chuck Lever 2016-08-22 14:57:42 -04:00 committed by Trond Myklebust
parent 41963c10c4
commit 16590a2281
1 changed files with 2 additions and 2 deletions
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4
net/sunrpc/clnt.c
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@ -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);