diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_recvfrom.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index a22fe7587fa6..85c8bcaebb80 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -125,14 +125,15 @@ static void svc_rdma_recv_cid_init(struct svcxprt_rdma *rdma, static struct svc_rdma_recv_ctxt * svc_rdma_recv_ctxt_alloc(struct svcxprt_rdma *rdma) { + int node = ibdev_to_node(rdma->sc_cm_id->device); struct svc_rdma_recv_ctxt *ctxt; dma_addr_t addr; void *buffer; - ctxt = kmalloc(sizeof(*ctxt), GFP_KERNEL); + ctxt = kmalloc_node(sizeof(*ctxt), GFP_KERNEL, node); if (!ctxt) goto fail0; - buffer = kmalloc(rdma->sc_max_req_size, GFP_KERNEL); + buffer = kmalloc_node(rdma->sc_max_req_size, GFP_KERNEL, node); if (!buffer) goto fail1; addr = ib_dma_map_single(rdma->sc_pd->device, buffer, @@ -155,7 +156,6 @@ svc_rdma_recv_ctxt_alloc(struct svcxprt_rdma *rdma) ctxt->rc_recv_sge.length = rdma->sc_max_req_size; ctxt->rc_recv_sge.lkey = rdma->sc_pd->local_dma_lkey; ctxt->rc_recv_buf = buffer; - ctxt->rc_temp = false; return ctxt; fail2: @@ -232,10 +232,7 @@ void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma, pcl_free(&ctxt->rc_write_pcl); pcl_free(&ctxt->rc_reply_pcl); - if (!ctxt->rc_temp) - llist_add(&ctxt->rc_node, &rdma->sc_recv_ctxts); - else - svc_rdma_recv_ctxt_destroy(rdma, ctxt); + llist_add(&ctxt->rc_node, &rdma->sc_recv_ctxts); } /** @@ -258,7 +255,7 @@ void svc_rdma_release_ctxt(struct svc_xprt *xprt, void *vctxt) } static bool svc_rdma_refresh_recvs(struct svcxprt_rdma *rdma, - unsigned int wanted, bool temp) + unsigned int wanted) { const struct ib_recv_wr *bad_wr = NULL; struct svc_rdma_recv_ctxt *ctxt; @@ -275,7 +272,6 @@ static bool svc_rdma_refresh_recvs(struct svcxprt_rdma *rdma, break; trace_svcrdma_post_recv(ctxt); - ctxt->rc_temp = temp; ctxt->rc_recv_wr.next = recv_chain; recv_chain = &ctxt->rc_recv_wr; rdma->sc_pending_recvs++; @@ -309,7 +305,7 @@ err_free: */ bool svc_rdma_post_recvs(struct svcxprt_rdma *rdma) { - return svc_rdma_refresh_recvs(rdma, rdma->sc_max_requests, true); + return svc_rdma_refresh_recvs(rdma, rdma->sc_max_requests); } /** @@ -343,7 +339,7 @@ static void svc_rdma_wc_receive(struct ib_cq *cq, struct ib_wc *wc) * client reconnects. */ if (rdma->sc_pending_recvs < rdma->sc_max_requests) - if (!svc_rdma_refresh_recvs(rdma, rdma->sc_recv_batch, false)) + if (!svc_rdma_refresh_recvs(rdma, rdma->sc_recv_batch)) goto dropped; /* All wc fields are now known to be valid */ @@ -775,9 +771,6 @@ static bool svc_rdma_is_reverse_direction_reply(struct svc_xprt *xprt, * * The next ctxt is removed from the "receive" lists. * - * - If the ctxt completes a Read, then finish assembling the Call - * message and return the number of bytes in the message. - * * - If the ctxt completes a Receive, then construct the Call * message from the contents of the Receive buffer. * @@ -786,7 +779,8 @@ static bool svc_rdma_is_reverse_direction_reply(struct svc_xprt *xprt, * in the message. * * - If there are Read chunks in this message, post Read WRs to - * pull that payload and return 0. + * pull that payload. When the Read WRs complete, build the + * full message and return the number of bytes in it. */ int svc_rdma_recvfrom(struct svc_rqst *rqstp) { @@ -796,6 +790,12 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp) struct svc_rdma_recv_ctxt *ctxt; int ret; + /* Prevent svc_xprt_release() from releasing pages in rq_pages + * when returning 0 or an error. + */ + rqstp->rq_respages = rqstp->rq_pages; + rqstp->rq_next_page = rqstp->rq_respages; + rqstp->rq_xprt_ctxt = NULL; ctxt = NULL; @@ -819,12 +819,6 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp) DMA_FROM_DEVICE); svc_rdma_build_arg_xdr(rqstp, ctxt); - /* Prevent svc_xprt_release from releasing pages in rq_pages - * if we return 0 or an error. - */ - rqstp->rq_respages = rqstp->rq_pages; - rqstp->rq_next_page = rqstp->rq_respages; - ret = svc_rdma_xdr_decode_req(&rqstp->rq_arg, ctxt); if (ret < 0) goto out_err; |