diff mbox series

[v2,03/12] svcrdma: Update max_send_sges after QP is created

Message ID 170708861056.28128.2372400452643006250.stgit@bazille.1015granger.net (mailing list archive)
State Changes Requested
Delegated to: Leon Romanovsky
Headers show
Series NFSD RDMA transport improvements | expand

Commit Message

Chuck Lever Feb. 4, 2024, 11:16 p.m. UTC 
From: Chuck Lever <chuck.lever@oracle.com>

rdma_create_qp() can modify cap.max_send_sges. Copy the new value
to the svcrdma transport so it is bound by the new limit instead
of the requested one.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 net/sunrpc/xprtrdma/svc_rdma_transport.c |    1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 8be0493797cf..839c0e80e5cd 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -467,6 +467,7 @@  static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
 		trace_svcrdma_qp_err(newxprt, ret);
 		goto errout;
 	}
+	newxprt->sc_max_send_sges = qp_attr.cap.max_send_sge;
 	newxprt->sc_qp = newxprt->sc_cm_id->qp;
 
 	if (!(dev->attrs.device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS))