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sunrpc: remove unused xpo_prep_reply_hdr callback 

xpo_prep_reply_hdr are not used now.

It was defined for tcp transport only, however it cannot be
called indirectly, so let's move it to its caller and
remove unused callback.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Vasily Averin 2018-12-24 14:46:00 +03:00 committed by J. Bruce Fields
parent 7ef88ff85f
commit 64e20ba204
6 changed files with 11 additions and 24 deletions
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1
include/linux/sunrpc/svc_rdma.h
View File

@ -193,7 +193,6 @@ extern int svc_rdma_sendto(struct svc_rqst *);
extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *);
extern void svc_sq_reap(struct svcxprt_rdma *);
extern void svc_rq_reap(struct svcxprt_rdma *);
extern void svc_rdma_prep_reply_hdr(struct svc_rqst *);
extern struct svc_xprt_class svc_rdma_class;
#ifdef CONFIG_SUNRPC_BACKCHANNEL

1
include/linux/sunrpc/svc_xprt.h
View File

@ -20,7 +20,6 @@ struct svc_xprt_ops {
struct svc_xprt *(*xpo_accept)(struct svc_xprt *);
int (*xpo_has_wspace)(struct svc_xprt *);
int (*xpo_recvfrom)(struct svc_rqst *);
void (*xpo_prep_reply_hdr)(struct svc_rqst *);
int (*xpo_sendto)(struct svc_rqst *);
void (*xpo_release_rqst)(struct svc_rqst *);
void (*xpo_detach)(struct svc_xprt *);

11
net/sunrpc/svc.c
View File

@ -1144,6 +1144,17 @@ void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...)
static __printf(2,3) void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...) {}
#endif
/*
* Setup response header for TCP, it has a 4B record length field.
*/
static void svc_tcp_prep_reply_hdr(struct svc_rqst *rqstp)
{
struct kvec *resv = &rqstp->rq_res.head[0];
/* tcp needs a space for the record length... */
svc_putnl(resv, 0);
}
/*
* Common routine for processing the RPC request.
*/

17
net/sunrpc/svcsock.c
View File

@ -610,10 +610,6 @@ svc_udp_sendto(struct svc_rqst *rqstp)
return error;
}
static void svc_udp_prep_reply_hdr(struct svc_rqst *rqstp)
{
}
static int svc_udp_has_wspace(struct svc_xprt *xprt)
{
struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
@ -657,7 +653,6 @@ static const struct svc_xprt_ops svc_udp_ops = {
.xpo_release_rqst = svc_release_udp_skb,
.xpo_detach = svc_sock_detach,
.xpo_free = svc_sock_free,
.xpo_prep_reply_hdr = svc_udp_prep_reply_hdr,
.xpo_has_wspace = svc_udp_has_wspace,
.xpo_accept = svc_udp_accept,
.xpo_secure_port = svc_sock_secure_port,
@ -1163,17 +1158,6 @@ static int svc_tcp_sendto(struct svc_rqst *rqstp)
return sent;
}
/*
* Setup response header. TCP has a 4B record length field.
*/
void svc_tcp_prep_reply_hdr(struct svc_rqst *rqstp)
{
struct kvec *resv = &rqstp->rq_res.head[0];
/* tcp needs a space for the record length... */
svc_putnl(resv, 0);
}
static struct svc_xprt *svc_tcp_create(struct svc_serv *serv,
struct net *net,
struct sockaddr *sa, int salen,
@ -1189,7 +1173,6 @@ static const struct svc_xprt_ops svc_tcp_ops = {
.xpo_release_rqst = svc_release_skb,
.xpo_detach = svc_tcp_sock_detach,
.xpo_free = svc_sock_free,
.xpo_prep_reply_hdr = svc_tcp_prep_reply_hdr,
.xpo_has_wspace = svc_tcp_has_wspace,
.xpo_accept = svc_tcp_accept,
.xpo_secure_port = svc_sock_secure_port,

4
net/sunrpc/xprtrdma/svc_rdma_sendto.c
View File

@ -714,10 +714,6 @@ static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
return 0;
}
void svc_rdma_prep_reply_hdr(struct svc_rqst *rqstp)
{
}
/**
* svc_rdma_sendto - Transmit an RPC reply
* @rqstp: processed RPC request, reply XDR already in ::rq_res

1
net/sunrpc/xprtrdma/svc_rdma_transport.c
View File

@ -85,7 +85,6 @@ static const struct svc_xprt_ops svc_rdma_ops = {
.xpo_release_rqst = svc_rdma_release_rqst,
.xpo_detach = svc_rdma_detach,
.xpo_free = svc_rdma_free,
.xpo_prep_reply_hdr = svc_rdma_prep_reply_hdr,
.xpo_has_wspace = svc_rdma_has_wspace,
.xpo_accept = svc_rdma_accept,
.xpo_secure_port = svc_rdma_secure_port,