From ad5328c453e7fb662f2f17e54cb30c5bb348f817 Mon Sep 17 00:00:00 2001
From: Kegan Dougal <kegan@matrix.org>
Date: Fri, 7 Apr 2017 17:08:59 +0100
Subject: [PATCH] Add notes

---
 .../matrix-org/dendrite/clientapi/sync/requestpool.go         | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/github.com/matrix-org/dendrite/clientapi/sync/requestpool.go b/src/github.com/matrix-org/dendrite/clientapi/sync/requestpool.go
index 3f18596cb..8fd610cf0 100644
--- a/src/github.com/matrix-org/dendrite/clientapi/sync/requestpool.go
+++ b/src/github.com/matrix-org/dendrite/clientapi/sync/requestpool.go
@@ -74,7 +74,6 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request) util.JSONRespons
 		"userID":  userID,
 		"since":   since,
 		"timeout": timeout,
-		"current": rp.currPos,
 	}).Info("Incoming /sync request")
 
 	// Set up a timer based on the provided timeout value.
@@ -94,6 +93,9 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request) util.JSONRespons
 		}
 	}()
 
+	// TODO: Spawn off a 3rd goroutine to do this work so we can simply race
+	// with the timeout to determine what to return to the client.
+
 	res, err := rp.currentSyncForUser(syncReq)
 	close(done) // signal that the work is complete
 	if err != nil {