It fixes an NFSRDMA performance issue. Thanks. -jeff
>From dea5ead8be2c42e0a7d793190bbc65e760f9b0f0 Mon Sep 17 00:00:00 2001 From: Jeff Becker <[email protected]> Date: Mon, 5 Dec 2011 16:09:59 -0800 Subject: [PATCH] NFSRDMA: Increasing RPCRDMA_MAX_DATA_SEGS sometimes causes NFS mount to hang. Signed-off-by: Jeff Becker <[email protected]>
--- ...013-RDMA-Increasing-RPCRDMA_MAX_DATA_SEGS.patch | 31 -------------------- 1 files changed, 0 insertions(+), 31 deletions(-) delete mode 100644 kernel_patches/fixes/nfsrdma_0013-RDMA-Increasing-RPCRDMA_MAX_DATA_SEGS.patch diff --git a/kernel_patches/fixes/nfsrdma_0013-RDMA-Increasing-RPCRDMA_MAX_DATA_SEGS.patch b/kernel_patches/fixes/nfsrdma_0013-RDMA-Increasing-RPCRDMA_MAX_DATA_SEGS.patch deleted file mode 100644 index 2674c86..0000000 --- a/kernel_patches/fixes/nfsrdma_0013-RDMA-Increasing-RPCRDMA_MAX_DATA_SEGS.patch +++ /dev/null @@ -1,31 +0,0 @@ -From 2773395b34883fe54418de188733a63bb38e0ad6 Mon Sep 17 00:00:00 2001 -From: Steve Dickson <[email protected]> -Date: Thu, 21 Jul 2011 13:49:02 -0400 -Subject: [PATCH] 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 <[email protected]> -Signed-off-by: Trond Myklebust <[email protected]> ---- - 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 cae761a..5d1cfe5 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 */ \ --- -1.7.3.4 - -- 1.7.3.4
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