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authorMichael Wang <yun.wang@profitbricks.com>2015-05-05 14:50:38 +0200
committerDoug Ledford <dledford@redhat.com>2015-05-18 19:35:05 +0200
commitbc0f1d71536063f8b2df966625e0136bca03b3e6 (patch)
treef4c1fe67c88362155b29797a8b3e9d9db32e5730 /net
parentIB/Verbs: Use management helper rdma_cap_ib_mcast() (diff)
downloadlinux-bc0f1d71536063f8b2df966625e0136bca03b3e6.tar.xz
linux-bc0f1d71536063f8b2df966625e0136bca03b3e6.zip
IB/Verbs: Use management helper rdma_cap_read_multi_sge()
Introduce helper rdma_cap_read_multi_sge() to help us check if the port of an IB device support RDMA Read Multiple Scatter-Gather Entries. Signed-off-by: Michael Wang <yun.wang@profitbricks.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Tested-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Sean Hefty <sean.hefty@intel.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Tested-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_recvfrom.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 2cc625db16aa..86b44164172b 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -117,8 +117,8 @@ static void rdma_build_arg_xdr(struct svc_rqst *rqstp,
static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
{
- if (rdma_protocol_iwarp(xprt->sc_cm_id->device,
- xprt->sc_cm_id->port_num))
+ if (!rdma_cap_read_multi_sge(xprt->sc_cm_id->device,
+ xprt->sc_cm_id->port_num))
return 1;
else
return min_t(int, sge_count, xprt->sc_max_sge);