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-rw-r--r--src/rabbit_mirror_queue_sync.erl5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/rabbit_mirror_queue_sync.erl b/src/rabbit_mirror_queue_sync.erl
index 7cfd0ab4b6..af4cb0cad5 100644
--- a/src/rabbit_mirror_queue_sync.erl
+++ b/src/rabbit_mirror_queue_sync.erl
@@ -350,8 +350,9 @@ slave_sync_loop(Args = {Ref, MRef, Syncer, BQ, UpdateRamDuration, Parent},
%% be batch_publish/2 and the ones that need to be
%% batch_publish_delivered/2.
%%
- %% We don't need to reverse BatchP1 and BatchPD1 since the
- %% foldl takes care of that.
+ %% The Batch has the messages in reverse order, but We
+ %% don't need to reverse them since BatchP1 and BatchPD1
+ %% will have the right order after the fold1.
{BatchP1, BatchPD1} =
lists:foldl(
fun ({Msg, Props, false}, {BatchP, BatchPD}) ->