[v1,04/18] xprtrdma: Boost client's max slot table size to match Linux server
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Message ID 20190806155407.9529.39842.stgit@manet.1015granger.net
State New
Headers show
Series
  • NFS/RDMA patches
Related show

Commit Message

Chuck Lever Aug. 6, 2019, 3:54 p.m. UTC
I've heard rumors of an NFS/RDMA server implementation that has a
default credit limit of 1024. The client's default setting remains
at 128.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 include/linux/sunrpc/xprtrdma.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h
index 86fc38f..16c239e 100644
--- a/include/linux/sunrpc/xprtrdma.h
+++ b/include/linux/sunrpc/xprtrdma.h
@@ -49,9 +49,9 @@ 
  * fully-chunked NFS message (read chunks are the largest). Note only
  * a single chunk type per message is supported currently.
  */
-#define RPCRDMA_MIN_SLOT_TABLE	(2U)
+#define RPCRDMA_MIN_SLOT_TABLE	(4U)
 #define RPCRDMA_DEF_SLOT_TABLE	(128U)
-#define RPCRDMA_MAX_SLOT_TABLE	(256U)
+#define RPCRDMA_MAX_SLOT_TABLE	(16384U)
 
 #define RPCRDMA_MIN_INLINE  (1024)	/* min inline thresh */
 #define RPCRDMA_DEF_INLINE  (4096)	/* default inline thresh */