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| author | Steve Dickson <steved@redhat.com> | 2011-07-21 13:49:02 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-25 14:54:31 -0400 |
| commit | 2773395b34883fe54418de188733a63bb38e0ad6 (patch) | |
| tree | e29d8964602bf06bce1a0ebd60e92aeac9bb05ac /net/sunrpc | |
| parent | 5f00bcb38ef9a980a33c6dbdc0044964b05f22dd (diff) | |
| download | lwn-2773395b34883fe54418de188733a63bb38e0ad6.tar.gz lwn-2773395b34883fe54418de188733a63bb38e0ad6.zip | |
RDMA: Increasing RPCRDMA_MAX_DATA_SEGS
Our performance team has noticed that increasing
RPCRDMA_MAX_DATA_SEGS from 8 to 64 significantly
increases throughput when using the RDMA transport.
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index cae761a8536c..5d1cfe58ec20 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -109,7 +109,7 @@ struct rpcrdma_ep { */ /* temporary static scatter/gather max */ -#define RPCRDMA_MAX_DATA_SEGS (8) /* max scatter/gather */ +#define RPCRDMA_MAX_DATA_SEGS (64) /* max scatter/gather */ #define RPCRDMA_MAX_SEGS (RPCRDMA_MAX_DATA_SEGS + 2) /* head+tail = 2 */ #define MAX_RPCRDMAHDR (\ /* max supported RPC/RDMA header */ \ |