From c544577daddb618c7dd5fa7fb98d6a41782f020e Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 3 Sep 2018 23:39:27 -0400 Subject: SUNRPC: Clean up transport write space handling Treat socket write space handling in the same way we now treat transport congestion: by denying the XPRT_LOCK until the transport signals that it has free buffer space. Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/svc_rdma_backchannel.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'net/sunrpc/xprtrdma/svc_rdma_backchannel.c') diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c index d1618c70edb4..35a8c3aab302 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c +++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c @@ -224,12 +224,7 @@ xprt_rdma_bc_send_request(struct rpc_rqst *rqst, struct rpc_task *task) dprintk("svcrdma: sending bc call with xid: %08x\n", be32_to_cpu(rqst->rq_xid)); - if (!mutex_trylock(&sxprt->xpt_mutex)) { - rpc_sleep_on(&sxprt->xpt_bc_pending, task, NULL); - if (!mutex_trylock(&sxprt->xpt_mutex)) - return -EAGAIN; - rpc_wake_up_queued_task(&sxprt->xpt_bc_pending, task); - } + mutex_lock(&sxprt->xpt_mutex); ret = -ENOTCONN; rdma = container_of(sxprt, struct svcxprt_rdma, sc_xprt); -- cgit v1.2.3