2008-04-19 20:50:28

by Myklebust, Trond

[permalink] [raw]
Subject: [PATCH 26/33] SUNRPC: remove XS_SENDMSG_RETRY

The condition for exiting from the loop in xs_tcp_send_request() should be
that we find we're not making progress (i.e. number of bytes sent is 0).

Signed-off-by: Trond Myklebust <[email protected]>
---

net/sunrpc/xprtsock.c | 12 +++---------
1 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 4c2462e..4a567a9 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -136,12 +136,6 @@ static ctl_table sunrpc_table[] = {
#endif

/*
- * How many times to try sending a request on a socket before waiting
- * for the socket buffer to clear.
- */
-#define XS_SENDMSG_RETRY (10U)
-
-/*
* Time out for an RPC UDP socket connect. UDP socket connects are
* synchronous, but we set a timeout anyway in case of resource
* exhaustion on the local host.
@@ -666,7 +660,6 @@ static int xs_tcp_send_request(struct rpc_task *task)
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
struct xdr_buf *xdr = &req->rq_snd_buf;
int status;
- unsigned int retry = 0;

xs_encode_tcp_record_marker(&req->rq_snd_buf);

@@ -697,9 +690,10 @@ static int xs_tcp_send_request(struct rpc_task *task)
return 0;
}

+ if (status != 0)
+ continue;
status = -EAGAIN;
- if (retry++ > XS_SENDMSG_RETRY)
- break;
+ break;
}

switch (status) {