From 279c21af30e403a463af56f168ab76c86110a291 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sat, 13 Sep 2025 07:40:14 +0000
Subject: [PATCH] searchidxshard: drop unused `echo' sub

We no longer need a separate `echo' command to check the
doneness of a previous ->ipc_do command since we've made
->ipc_do async and introduced ->ipc_wait_all in commit
f0b9f90a (*index: propagate exceptions from shard processes, 2025-09-04)
---
 lib/PublicInbox/SearchIdxShard.pm | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/lib/PublicInbox/SearchIdxShard.pm b/lib/PublicInbox/SearchIdxShard.pm
index 8de79b782..3b8402b7e 100644
--- a/lib/PublicInbox/SearchIdxShard.pm
+++ b/lib/PublicInbox/SearchIdxShard.pm
@@ -58,12 +58,6 @@ sub add_eidx_info {
 	$self->ipc_do('add_eidx_info_raw', $docid, $eidx_key, @list_ids);
 }
 
-# wait for return to determine when ipc_do('commit_txn_lazy') is done
-sub echo {
-	shift;
-	"@_";
-}
-
 sub idx_close {
 	my ($self) = @_;
 	die "BUG: $$ $0 txn active" if $self->{txn};
-- 
2.47.3