diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_backchannel.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_backchannel.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c index ec37ad83b068..1854db227742 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c +++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c @@ -132,6 +132,10 @@ static int svc_rdma_bc_sendto(struct svcxprt_rdma *rdma, if (ret) goto out_err; + /* Bump page refcnt so Send completion doesn't release + * the rq_buffer before all retransmits are complete. + */ + get_page(virt_to_page(rqst->rq_buffer)); ret = svc_rdma_post_send_wr(rdma, ctxt, 1, 0); if (ret) goto out_unmap; @@ -164,7 +168,6 @@ xprt_rdma_bc_allocate(struct rpc_task *task) return -EINVAL; } - /* svc_rdma_sendto releases this page */ page = alloc_page(RPCRDMA_DEF_GFP); if (!page) return -ENOMEM; @@ -183,6 +186,7 @@ xprt_rdma_bc_free(struct rpc_task *task) { struct rpc_rqst *rqst = task->tk_rqstp; + put_page(virt_to_page(rqst->rq_buffer)); kfree(rqst->rq_rbuffer); } |