Merge pull request #1754 from ipfs-cluster/struct-align-comment

Add comments to struct fields that must be aligned.

ipfsconn/ipfshttp/ipfshttp.go

@@ -48,9 +48,9 @@ var logger = logging.Logger("ipfshttp")
 // on-demand requests against the configured IPFS daemom
 // (such as a pin request).
 type Connector struct {
+	// struct alignment! These fields must be up-front.
 	updateMetricCount uint64
-
-	ipfsPinCount int64
+	ipfsPinCount      int64
 
 	ctx    context.Context
 	cancel func()

pintracker/optracker/operationtracker.go

@@ -27,6 +27,7 @@ var logger = logging.Logger("optracker")
 
 // OperationTracker tracks and manages all inflight Operations.
 type OperationTracker struct {
+	// struct alignment. This fields must be upfront!
 	pinningCount   int64
 	pinErrorCount  int64
 	pinQueuedCount int64