Clean up. Commit 
be99bb11400c ("svcrdma: Use new CQ API for
RPC-over-RDMA server send CQs") removed code that used the sc_dto_q
field, but neglected to remove sc_dto_q at the same time.
Fixes: be99bb11400c ("svcrdma: Use new CQ API for RPC-over- ...")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
 
        wait_queue_head_t    sc_send_wait;      /* SQ exhaustion waitlist */
        unsigned long        sc_flags;
-       struct list_head     sc_dto_q;          /* DTO tasklet I/O pending Q */
        struct list_head     sc_read_complete_q;
        struct work_struct   sc_work;
 };
 
                return NULL;
        svc_xprt_init(&init_net, &svc_rdma_class, &cma_xprt->sc_xprt, serv);
        INIT_LIST_HEAD(&cma_xprt->sc_accept_q);
-       INIT_LIST_HEAD(&cma_xprt->sc_dto_q);
        INIT_LIST_HEAD(&cma_xprt->sc_rq_dto_q);
        INIT_LIST_HEAD(&cma_xprt->sc_read_complete_q);
        INIT_LIST_HEAD(&cma_xprt->sc_frmr_q);