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authorChuck Lever <cel@netapp.com>2005-08-25 19:25:52 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-09-23 12:38:43 -0400
commit1570c1e41eabf6b7031f3e4322a2cf1cbe319fee (patch)
treeeee53757ac3e03d55b6c01bb0500996ba520a8bb /include/linux/sunrpc
parent46c0ee8bc4ad3743de05e8b8b20201df44dcb6d3 (diff)
[PATCH] RPC: add generic interface for adjusting the congestion window
A new interface that allows transports to adjust their congestion window using the Van Jacobson implementation in xprt.c is provided. Test-plan: Use WAN simulation to cause sporadic bursty packet loss. Look for significant regression in performance or client stability. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/xprt.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 443c3f984cf9..2e48752d55d9 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -258,9 +258,10 @@ void xprt_set_retrans_timeout_rtt(struct rpc_task *task);
258void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status); 258void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status);
259void xprt_wait_for_buffer_space(struct rpc_task *task); 259void xprt_wait_for_buffer_space(struct rpc_task *task);
260void xprt_write_space(struct rpc_xprt *xprt); 260void xprt_write_space(struct rpc_xprt *xprt);
261void xprt_update_rtt(struct rpc_task *task);
261void xprt_adjust_cwnd(struct rpc_task *task, int result); 262void xprt_adjust_cwnd(struct rpc_task *task, int result);
262struct rpc_rqst * xprt_lookup_rqst(struct rpc_xprt *xprt, u32 xid); 263struct rpc_rqst * xprt_lookup_rqst(struct rpc_xprt *xprt, u32 xid);
263void xprt_complete_rqst(struct rpc_xprt *xprt, struct rpc_rqst *req, int copied); 264void xprt_complete_rqst(struct rpc_task *task, int copied);
264void xprt_disconnect(struct rpc_xprt *xprt); 265void xprt_disconnect(struct rpc_xprt *xprt);
265 266
266/* 267/*