From 5799adfab91e363008f4cc6819f2de295a6f9d3c Mon Sep 17 00:00:00 2001
From: Xiang Zhu <xzhu70@gmail.com>
Date: Wed, 15 Feb 2023 07:47:51 -0800
Subject: [PATCH] log last_snapshot_storages at the end of the loop

---
 runtime/src/accounts_background_service.rs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/runtime/src/accounts_background_service.rs b/runtime/src/accounts_background_service.rs
index ee8e31118e8e5a..7b4c101312d2de 100644
--- a/runtime/src/accounts_background_service.rs
+++ b/runtime/src/accounts_background_service.rs
@@ -548,7 +548,7 @@ impl AccountsBackgroundService {
                 // To support fastboot, we must ensure the storages used in the latest bank snapshot are
                 // not recycled nor removed early.  Hold an Arc of their AppendVecs to prevent them from
                 // expiring.
-                let mut last_snapshot_storages: Option<Vec<Arc<AccountStorageEntry>>>;
+                let mut last_snapshot_storages: Option<Vec<Arc<AccountStorageEntry>>> = None;
                 loop {
                     if exit.load(Ordering::Relaxed) {
                         break;
@@ -630,7 +630,8 @@ impl AccountsBackgroundService {
                             last_snapshot_storages = Some(snapshot_storages);
                             debug!(
                                 "Number of snapshot storages kept alive for fastboot: {}",
-                                &last_snapshot_storages
+                                last_snapshot_storages
+                                    .as_ref()
                                     .map(|storages| storages.len())
                                     .unwrap_or(0)
                             );
@@ -655,14 +656,12 @@ impl AccountsBackgroundService {
                     stats.record_and_maybe_submit(start_time.elapsed());
                     sleep(Duration::from_millis(INTERVAL_MS));
                 }
-                /*
                 info!(
                     "ABS loop done.  Number of snapshot storages kept alive for fastboot: {}",
                     last_snapshot_storages
                         .map(|storages| storages.len())
                         .unwrap_or(0)
                 );
-                */
             })
             .unwrap();