From aca2d9586c0d91d81ff1714f0b4d9fe71c12f759 Mon Sep 17 00:00:00 2001
From: ieQu1 <99872536+ieQu1@users.noreply.github.com>
Date: Sat, 18 May 2024 15:53:53 +0200
Subject: [PATCH] fix(ds): Fix return type of drop_generation

---
 apps/emqx_durable_storage/src/emqx_ds_storage_layer.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/emqx_durable_storage/src/emqx_ds_storage_layer.erl b/apps/emqx_durable_storage/src/emqx_ds_storage_layer.erl
index fdba6335f..438955367 100644
--- a/apps/emqx_durable_storage/src/emqx_ds_storage_layer.erl
+++ b/apps/emqx_durable_storage/src/emqx_ds_storage_layer.erl
@@ -513,7 +513,7 @@ add_generation(ShardId, Since) ->
 list_generations_with_lifetimes(ShardId) ->
     gen_server:call(?REF(ShardId), #call_list_generations_with_lifetimes{}, infinity).
 
--spec drop_generation(shard_id(), gen_id()) -> ok.
+-spec drop_generation(shard_id(), gen_id()) -> ok | {error, _}.
 drop_generation(ShardId, GenId) ->
     gen_server:call(?REF(ShardId), #call_drop_generation{gen_id = GenId}, infinity).