oldswitch         438 net/sunrpc/xprtmultipath.c 	struct rpc_xprt_switch __rcu *oldswitch;
oldswitch         441 net/sunrpc/xprtmultipath.c 	oldswitch = xchg(&xpi->xpi_xpswitch, RCU_INITIALIZER(newswitch));
oldswitch         444 net/sunrpc/xprtmultipath.c 	return rcu_dereference_protected(oldswitch, true);