SUNRPC: Use MSG_SENDPAGE_NOTLAST in xs_send_pagedata()

If we're sending more than one page via kernel_sendpage(), then set
MSG_SENDPAGE_NOTLAST between the pages so that we don't send suboptimal
frames (see commit 2f533844 and commit 35f9c09f).

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent a2648094

net/sunrpc/xprtsock.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -360,8 +360,10 @@ static int xs_send_pagedata(struct socket sock, struct xdr_buf xdr, unsigned i
		int flags = XS_SENDMSG_FLAGS;

		remainder -= len;
		if (remainder != 0 \|\| more)
		if (more)
		flags \|= MSG_MORE;
		if (remainder != 0)
		flags \|= MSG_SENDPAGE_NOTLAST \| MSG_MORE;
		err = do_sendpage(sock, *ppage, base, len, flags);
		if (remainder == 0 \|\| err != len)
		break;