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 2f5338442425 and commit 35f9c09fe9c7). Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> --- net/sunrpc/xprtsock.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 1471ecceabf9..e71aff251ac1 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -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; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
