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| author | Tom Tucker <tom@opengridcomputing.com> | 2007-12-30 21:07:25 -0600 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2008-02-01 16:42:08 -0500 |
| commit | 5148bf4ebc1f59dc6a0ec43a220c55ff0771246e (patch) | |
| tree | d7ba46947483308dc77736335b05d1124befa7c4 /net | |
| parent | 5d137990f5860451a6e0428e0903f62933d05287 (diff) | |
| download | linux-5148bf4ebc1f59dc6a0ec43a220c55ff0771246e.tar.gz linux-5148bf4ebc1f59dc6a0ec43a220c55ff0771246e.tar.bz2 linux-5148bf4ebc1f59dc6a0ec43a220c55ff0771246e.zip | |
svc: Add transport specific xpo_release function
The svc_sock_release function releases pages allocated to a thread. For
UDP this frees the receive skb. For RDMA it will post a receive WR
and bump the client credit count.
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/svcsock.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 7817c7eea753..d46abc89b99a 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -185,14 +185,13 @@ svc_thread_dequeue(struct svc_pool *pool, struct svc_rqst *rqstp) /* * Release an skbuff after use */ -static inline void -svc_release_skb(struct svc_rqst *rqstp) +static void svc_release_skb(struct svc_rqst *rqstp) { - struct sk_buff *skb = rqstp->rq_skbuff; + struct sk_buff *skb = rqstp->rq_xprt_ctxt; struct svc_deferred_req *dr = rqstp->rq_deferred; if (skb) { - rqstp->rq_skbuff = NULL; + rqstp->rq_xprt_ctxt = NULL; dprintk("svc: service %p, releasing skb %p\n", rqstp, skb); skb_free_datagram(rqstp->rq_sock->sk_sk, skb); @@ -395,7 +394,7 @@ svc_sock_release(struct svc_rqst *rqstp) { struct svc_sock *svsk = rqstp->rq_sock; - svc_release_skb(rqstp); + rqstp->rq_xprt->xpt_ops->xpo_release_rqst(rqstp); svc_free_res_pages(rqstp); rqstp->rq_res.page_len = 0; @@ -867,7 +866,7 @@ svc_udp_recvfrom(struct svc_rqst *rqstp) skb_free_datagram(svsk->sk_sk, skb); return 0; } - rqstp->rq_skbuff = skb; + rqstp->rq_xprt_ctxt = skb; } rqstp->rq_arg.page_base = 0; @@ -903,6 +902,7 @@ svc_udp_sendto(struct svc_rqst *rqstp) static struct svc_xprt_ops svc_udp_ops = { .xpo_recvfrom = svc_udp_recvfrom, .xpo_sendto = svc_udp_sendto, + .xpo_release_rqst = svc_release_skb, }; static struct svc_xprt_class svc_udp_class = { @@ -1291,7 +1291,7 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp) rqstp->rq_arg.page_len = len - rqstp->rq_arg.head[0].iov_len; } - rqstp->rq_skbuff = NULL; + rqstp->rq_xprt_ctxt = NULL; rqstp->rq_prot = IPPROTO_TCP; /* Reset TCP read info */ @@ -1357,6 +1357,7 @@ svc_tcp_sendto(struct svc_rqst *rqstp) static struct svc_xprt_ops svc_tcp_ops = { .xpo_recvfrom = svc_tcp_recvfrom, .xpo_sendto = svc_tcp_sendto, + .xpo_release_rqst = svc_release_skb, }; static struct svc_xprt_class svc_tcp_class = { @@ -1578,7 +1579,7 @@ svc_send(struct svc_rqst *rqstp) } /* release the receive skb before sending the reply */ - svc_release_skb(rqstp); + rqstp->rq_xprt->xpt_ops->xpo_release_rqst(rqstp); /* calculate over-all length */ xb = & rqstp->rq_res; |