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RDMA: Increasing RPCRDMA_MAX_DATA_SEGS

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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>
This commit is contained in:
Steve Dickson 2011-07-21 13:49:02 -04:00 committed by Trond Myklebust
parent 5f00bcb38e
commit 2773395b34
1 changed files with 1 additions and 1 deletions
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2
net/sunrpc/xprtrdma/xprt_rdma.h
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@ -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 */ \