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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-03 23:39:27 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-30 15:35:15 -0400 |
| commit | c544577daddb618c7dd5fa7fb98d6a41782f020e (patch) | |
| tree | b3cfe2edc09c301ed6dfb4591e9d896c4965891f /net/sunrpc/xprtrdma/svc_rdma_backchannel.c | |
| parent | 36bd7de949f41d586ef7794169af75462b67acbc (diff) | |
| download | linux-c544577daddb618c7dd5fa7fb98d6a41782f020e.tar.bz2 | |
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 <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_backchannel.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_backchannel.c | 7 |
1 files changed, 1 insertions, 6 deletions
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); |