diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-19 13:21:38 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-20 17:35:58 -0500 |
| commit | 6f903b111e33c4f0c349402efbd5319f52362f8e (patch) | |
| tree | 331bb0fa9eec94001c7593113962738e8117fa70 /net/sunrpc/xprtsock.c | |
| parent | c87dc4c73bb04cb3f86c7d60f9f576eb08514ad8 (diff) | |
| download | linux-6f903b111e33c4f0c349402efbd5319f52362f8e.tar.bz2 | |
SUNRPC: Remove the redundant 'zerocopy' argument to xs_sendpages()
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc/xprtsock.c')
| -rw-r--r-- | net/sunrpc/xprtsock.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 9c6eb76b3f46..8fa74c8a4fd8 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -776,11 +776,10 @@ static int xs_send_pagedata(struct socket *sock, struct msghdr *msg, struct xdr_ * @addrlen: UDP only -- length of destination address * @xdr: buffer containing this request * @base: starting position in the buffer - * @zerocopy: true if it is safe to use sendpage() * @sent_p: return the total number of bytes successfully queued for sending * */ -static int xs_sendpages(struct socket *sock, struct sockaddr *addr, int addrlen, struct xdr_buf *xdr, unsigned int base, bool zerocopy, int *sent_p) +static int xs_sendpages(struct socket *sock, struct sockaddr *addr, int addrlen, struct xdr_buf *xdr, unsigned int base, int *sent_p) { struct msghdr msg = { .msg_name = addr, @@ -935,7 +934,7 @@ static int xs_local_send_request(struct rpc_rqst *req) req->rq_xtime = ktime_get(); status = xs_sendpages(transport->sock, NULL, 0, xdr, transport->xmit.offset, - true, &sent); + &sent); dprintk("RPC: %s(%u) = %d\n", __func__, xdr->len - transport->xmit.offset, status); @@ -1002,7 +1001,7 @@ static int xs_udp_send_request(struct rpc_rqst *req) req->rq_xtime = ktime_get(); status = xs_sendpages(transport->sock, xs_addr(xprt), xprt->addrlen, - xdr, 0, true, &sent); + xdr, 0, &sent); dprintk("RPC: xs_udp_send_request(%u) = %d\n", xdr->len, status); @@ -1066,7 +1065,6 @@ static int xs_tcp_send_request(struct rpc_rqst *req) struct rpc_xprt *xprt = req->rq_xprt; struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); struct xdr_buf *xdr = &req->rq_snd_buf; - bool zerocopy = true; bool vm_wait = false; int status; int sent; @@ -1083,12 +1081,6 @@ static int xs_tcp_send_request(struct rpc_rqst *req) xs_pktdump("packet data:", req->rq_svec->iov_base, req->rq_svec->iov_len); - /* Don't use zero copy if this is a resend. If the RPC call - * completes while the socket holds a reference to the pages, - * then we may end up resending corrupted data. - */ - if (req->rq_task->tk_flags & RPC_TASK_SENT) - zerocopy = false; if (test_bit(XPRT_SOCK_UPD_TIMEOUT, &transport->sock_state)) xs_tcp_set_socket_timeouts(xprt, transport->sock); @@ -1101,7 +1093,7 @@ static int xs_tcp_send_request(struct rpc_rqst *req) sent = 0; status = xs_sendpages(transport->sock, NULL, 0, xdr, transport->xmit.offset, - zerocopy, &sent); + &sent); dprintk("RPC: xs_tcp_send_request(%u) = %d\n", xdr->len - transport->xmit.offset, status); |