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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-02-19 19:21:38 +0100
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-02-20 23:35:58 +0100
commit6f903b111e33c4f0c349402efbd5319f52362f8e (patch)
tree331bb0fa9eec94001c7593113962738e8117fa70 /net/sunrpc/xprtsock.c
parentSUNRPC: Further cleanups of xs_sendpages() (diff)
downloadlinux-6f903b111e33c4f0c349402efbd5319f52362f8e.tar.xz
linux-6f903b111e33c4f0c349402efbd5319f52362f8e.zip
SUNRPC: Remove the redundant 'zerocopy' argument to xs_sendpages()
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to '')
-rw-r--r--net/sunrpc/xprtsock.c16
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);