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SUNRPC: Move the UDP socket bufsize parameters to a private data structure

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Move the socket-specific buffer size parameters for UDP sockets to a
private data structure maintained in net/sunrpc/xprtsock.c.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2006-12-05 16:35:30 -05:00 committed by Trond Myklebust
parent c847546182
commit 7c6e066ec2
2 changed files with 16 additions and 11 deletions
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3
include/linux/sunrpc/xprt.h
View File

@ -137,9 +137,6 @@ struct rpc_xprt {
unsigned long cong; /* current congestion */
unsigned long cwnd; /* congestion window */
size_t rcvsize, /* transport rcv buffer size */
sndsize; /* transport send buffer size */
size_t max_payload; /* largest RPC payload size,
in bytes */
unsigned int tsh_size; /* size of transport specific

24
net/sunrpc/xprtsock.c
View File

@ -151,6 +151,12 @@ struct sock_xprt {
*/
struct work_struct connect_worker;
unsigned short port;
/*
* UDP socket buffer size parameters
*/
size_t rcvsize,
sndsize;
};
/*
@ -996,13 +1002,13 @@ static void xs_udp_do_set_buffer_size(struct rpc_xprt *xprt)
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
struct sock *sk = transport->inet;
if (xprt->rcvsize) {
if (transport->rcvsize) {
sk->sk_userlocks |= SOCK_RCVBUF_LOCK;
sk->sk_rcvbuf = xprt->rcvsize * xprt->max_reqs * 2;
sk->sk_rcvbuf = transport->rcvsize * xprt->max_reqs * 2;
}
if (xprt->sndsize) {
if (transport->sndsize) {
sk->sk_userlocks |= SOCK_SNDBUF_LOCK;
sk->sk_sndbuf = xprt->sndsize * xprt->max_reqs * 2;
sk->sk_sndbuf = transport->sndsize * xprt->max_reqs * 2;
sk->sk_write_space(sk);
}
}
@ -1017,12 +1023,14 @@ static void xs_udp_do_set_buffer_size(struct rpc_xprt *xprt)
*/
static void xs_udp_set_buffer_size(struct rpc_xprt *xprt, size_t sndsize, size_t rcvsize)
{
xprt->sndsize = 0;
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
transport->sndsize = 0;
if (sndsize)
xprt->sndsize = sndsize + 1024;
xprt->rcvsize = 0;
transport->sndsize = sndsize + 1024;
transport->rcvsize = 0;
if (rcvsize)
xprt->rcvsize = rcvsize + 1024;
transport->rcvsize = rcvsize + 1024;
xs_udp_do_set_buffer_size(xprt);
}