MINOR: stconn/channel: Move CF_EXPECT_MORE into the SC and rename it

The channel flag CF_EXPECT_MORE is renamed to SC_FL_SND_EXP_MORE and moved
into the stream-connector.
diff --git a/include/haproxy/channel-t.h b/include/haproxy/channel-t.h
index 69db465..a69ce46 100644
--- a/include/haproxy/channel-t.h
+++ b/include/haproxy/channel-t.h
@@ -110,8 +110,7 @@
 #define CF_AUTO_CONNECT   0x00800000  /* consumer may attempt to establish a new connection */
 
 #define CF_DONT_READ      0x01000000  /* disable reading for now */
-#define CF_EXPECT_MORE    0x02000000  /* more data expected to be sent very soon (one-shoot) */
-/* unused 0x04000000 - 0x08000000 */
+/* unused 0x02000000 - 0x08000000 */
 
 #define CF_WAKE_ONCE      0x10000000  /* pretend there is activity on this channel (one-shoot) */
 #define CF_FLT_ANALYZE    0x20000000  /* at least one filter is still analyzing this channel */
@@ -140,9 +139,9 @@
 	_(CF_WAKE_WRITE, _(CF_SHUTW, _(CF_SHUTW_NOW, _(CF_AUTO_CLOSE,
 	_(CF_STREAMER, _(CF_STREAMER_FAST, _(CF_WROTE_DATA,
 	_(CF_KERN_SPLICING,
-	_(CF_AUTO_CONNECT, _(CF_DONT_READ, _(CF_EXPECT_MORE,
+	_(CF_AUTO_CONNECT, _(CF_DONT_READ,
 	_(CF_WAKE_ONCE, _(CF_FLT_ANALYZE,
-	_(CF_EOI, _(CF_ISRESP)))))))))))))))))))));
+	_(CF_EOI, _(CF_ISRESP))))))))))))))))))));
 	/* epilogue */
 	_(~0U);
 	return buf;
diff --git a/include/haproxy/stconn-t.h b/include/haproxy/stconn-t.h
index 4ac2237..285b35c 100644
--- a/include/haproxy/stconn-t.h
+++ b/include/haproxy/stconn-t.h
@@ -129,6 +129,7 @@
 	SC_FL_RCV_ONCE      = 0x00000400,  /* Don't loop to receive data. cleared after a sucessful receive */
 	SC_FL_SND_ASAP      = 0x00000800,  /* Don't wait for sending. cleared when all data were sent */
 	SC_FL_SND_NEVERWAIT = 0x00001000,  /* Never wait for sending (permanent) */
+	SC_FL_SND_EXP_MORE  = 0x00001000,  /* More data expected to be sent very soon. cleared when all data were sent */
 };
 
 /* This function is used to report flags in debugging tools. Please reflect
@@ -144,7 +145,7 @@
 	_(SC_FL_ISBACK, _(SC_FL_NOLINGER, _(SC_FL_NOHALF,
 	_(SC_FL_DONT_WAKE, _(SC_FL_INDEP_STR, _(SC_FL_WONT_READ,
 	_(SC_FL_NEED_BUFF, _(SC_FL_NEED_ROOM,
-	_(SC_FL_RCV_ONCE, _(SC_FL_SND_ASAP, _(SC_FL_SND_NEVERWAIT)))))))))));
+	_(SC_FL_RCV_ONCE, _(SC_FL_SND_ASAP, _(SC_FL_SND_NEVERWAIT, _(SC_FL_SND_EXP_MORE))))))))))));
 	/* epilogue */
 	_(~0U);
 	return buf;
diff --git a/src/http_ana.c b/src/http_ana.c
index ff3f3a3..ae97b33 100644
--- a/src/http_ana.c
+++ b/src/http_ana.c
@@ -958,7 +958,7 @@
 	msg->msg_state = HTTP_MSG_ENDING;
 
   ending:
-	req->flags &= ~CF_EXPECT_MORE; /* no more data are expected */
+	s->scb->flags &= ~SC_FL_SND_EXP_MORE; /* no more data are expected to be send */
 
 	/* other states, ENDING...TUNNEL */
 	if (msg->msg_state >= HTTP_MSG_DONE)
@@ -1040,7 +1040,7 @@
 		channel_dont_close(req);
 
 	/* We know that more data are expected, but we couldn't send more that
-	 * what we did. So we always set the CF_EXPECT_MORE flag so that the
+	 * what we did. So we always set the SC_FL_SND_EXP_MORE flag so that the
 	 * system knows it must not set a PUSH on this first part. Interactive
 	 * modes are already handled by the stream sock layer. We must not do
 	 * this in content-length mode because it could present the MSG_MORE
@@ -1048,7 +1048,7 @@
 	 * additional delay to be observed by the receiver.
 	 */
 	if (HAS_REQ_DATA_FILTERS(s))
-		req->flags |= CF_EXPECT_MORE;
+		s->scb->flags |= SC_FL_SND_EXP_MORE;
 
 	DBG_TRACE_DEVEL("waiting for more data to forward",
 			STRM_EV_STRM_ANA|STRM_EV_HTTP_ANA, s, txn);
@@ -1638,7 +1638,7 @@
 	txn->status = 0;
 	s->logs.logwait = 0;
 	s->logs.level = 0;
-	s->res.flags &= ~CF_EXPECT_MORE; /* speed up sending a previous response */
+	s->scf->flags &= ~SC_FL_SND_EXP_MORE; /* speed up sending a previous response */
 	http_reply_and_close(s, txn->status, NULL);
 	DBG_TRACE_DEVEL("leaving by closing K/A connection",
 			STRM_EV_STRM_ANA|STRM_EV_HTTP_ANA, s, txn);
@@ -2072,7 +2072,7 @@
 	msg->msg_state = HTTP_MSG_ENDING;
 
   ending:
-	res->flags &= ~CF_EXPECT_MORE; /* no more data are expected */
+	s->scf->flags &= ~SC_FL_SND_EXP_MORE; /* no more data are expected to be sent */
 
 	/* other states, ENDING...TUNNEL */
 	if (msg->msg_state >= HTTP_MSG_DONE)
@@ -2143,7 +2143,7 @@
 		channel_dont_close(res);
 
 	/* We know that more data are expected, but we couldn't send more that
-	 * what we did. So we always set the CF_EXPECT_MORE flag so that the
+	 * what we did. So we always set the SC_FL_SND_EXP_MORE flag so that the
 	 * system knows it must not set a PUSH on this first part. Interactive
 	 * modes are already handled by the stream sock layer. We must not do
 	 * this in content-length mode because it could present the MSG_MORE
@@ -2151,7 +2151,7 @@
 	 * additional delay to be observed by the receiver.
 	 */
 	if (HAS_RSP_DATA_FILTERS(s))
-		res->flags |= CF_EXPECT_MORE;
+		s->scf->flags |= SC_FL_SND_EXP_MORE;
 
 	/* the stream handler will take care of timeouts and errors */
 	DBG_TRACE_DEVEL("waiting for more data to forward",
diff --git a/src/stconn.c b/src/stconn.c
index 3f607d3..134af8f 100644
--- a/src/stconn.c
+++ b/src/stconn.c
@@ -1066,7 +1066,7 @@
 	 */
 	if (!channel_is_empty(ic) &&
 	    sc_ep_test(sco, SE_FL_WAIT_DATA) &&
-	    (!(ic->flags & CF_EXPECT_MORE) || c_full(ic) || ci_data(ic) == 0 || ic->pipe)) {
+	    (!(sc->flags & SC_FL_SND_EXP_MORE) || c_full(ic) || ci_data(ic) == 0 || ic->pipe)) {
 		int new_len, last_len;
 
 		last_len = co_data(ic);
@@ -1593,7 +1593,7 @@
 
 		if ((!(sc->flags & (SC_FL_SND_ASAP|SC_FL_SND_NEVERWAIT)) &&
 		     ((oc->to_forward && oc->to_forward != CHN_INFINITE_FORWARD) ||
-		      (oc->flags & CF_EXPECT_MORE) ||
+		      (sc->flags & SC_FL_SND_EXP_MORE) ||
 		      (IS_HTX_STRM(s) &&
 		       (!(oc->flags & (CF_EOI|CF_SHUTR)) && htx_expect_more(htxbuf(&oc->buf)))))) ||
 		    ((oc->flags & CF_ISRESP) &&
@@ -1637,8 +1637,7 @@
 
 			if (!co_data(oc)) {
 				/* Always clear both flags once everything has been sent, they're one-shot */
-				oc->flags &= ~CF_EXPECT_MORE;
-				sc->flags &= ~SC_FL_SND_ASAP;
+				sc->flags &= ~(SC_FL_SND_ASAP|SC_FL_SND_EXP_MORE);
 			}
 			/* if some data remain in the buffer, it's only because the
 			 * system buffers are full, we will try next time.