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svc: Add a max payload value to the transport

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The svc_max_payload function currently looks at the socket type
to determine the max payload. Add a max payload value to svc_xprt_class
so it can be returned directly.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Acked-by: Neil Brown <neilb@suse.de>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Greg Banks <gnb@sgi.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Tom Tucker
2007-12-30 21:07:21 -06:00
committed by J. Bruce Fields
parent 9f29868b49
commit 490231558e
3 changed files with 4 additions and 3 deletions
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1
include/linux/sunrpc/svc_xprt.h
View File

@@ -17,6 +17,7 @@ struct svc_xprt_class {
struct module *xcl_owner; struct module *xcl_owner;
struct svc_xprt_ops *xcl_ops; struct svc_xprt_ops *xcl_ops;
struct list_head xcl_list; struct list_head xcl_list;
u32 xcl_max_payload;
}; };
struct svc_xprt { struct svc_xprt {

4
net/sunrpc/svc.c
View File

@@ -1055,10 +1055,8 @@ err_bad:
*/ */
u32 svc_max_payload(const struct svc_rqst *rqstp) u32 svc_max_payload(const struct svc_rqst *rqstp)
{ {
int max = RPCSVC_MAXPAYLOAD_TCP; u32 max = rqstp->rq_xprt->xpt_class->xcl_max_payload;
if (rqstp->rq_sock->sk_sock->type == SOCK_DGRAM)
max = RPCSVC_MAXPAYLOAD_UDP;
if (rqstp->rq_server->sv_max_payload < max) if (rqstp->rq_server->sv_max_payload < max)
max = rqstp->rq_server->sv_max_payload; max = rqstp->rq_server->sv_max_payload;
return max; return max;

2
net/sunrpc/svcsock.c
View File

@@ -906,6 +906,7 @@ static struct svc_xprt_ops svc_udp_ops = {
static struct svc_xprt_class svc_udp_class = { static struct svc_xprt_class svc_udp_class = {
.xcl_name = "udp", .xcl_name = "udp",
.xcl_ops = &svc_udp_ops, .xcl_ops = &svc_udp_ops,
.xcl_max_payload = RPCSVC_MAXPAYLOAD_UDP,
}; };
static void static void
@@ -1359,6 +1360,7 @@ static struct svc_xprt_ops svc_tcp_ops = {
static struct svc_xprt_class svc_tcp_class = { static struct svc_xprt_class svc_tcp_class = {
.xcl_name = "tcp", .xcl_name = "tcp",
.xcl_ops = &svc_tcp_ops, .xcl_ops = &svc_tcp_ops,
.xcl_max_payload = RPCSVC_MAXPAYLOAD_TCP,
}; };
void svc_init_xprt_sock(void) void svc_init_xprt_sock(void)