In ledger-tool delete the account files in the async way (solana-labs…

…#27622)

* In ledger-tool delete the account files in the async way

* format changes by ./cargo nightly fmt --all

core/src/validator.rs

@@ -2049,7 +2049,7 @@ fn get_stake_percent_in_gossip(bank: &Bank, cluster_info: &ClusterInfo, log: boo
 /// If the process is killed and the deleting process is not done,
 /// the leftover path will be deleted in the next process life, so
 /// there is no file space leaking.
-fn move_and_async_delete_path(path: impl AsRef<Path> + Copy) {
+pub fn move_and_async_delete_path(path: impl AsRef<Path> + Copy) {
     let mut path_delete = PathBuf::new();
     path_delete.push(path);
     path_delete.set_file_name(format!(

ledger-tool/src/main.rs

@@ -19,7 +19,9 @@ use {
             is_parsable, is_pow2, is_pubkey, is_pubkey_or_keypair, is_slot, is_valid_percentage,
         },
     },
-    solana_core::system_monitor_service::SystemMonitorService,
+    solana_core::{
+        system_monitor_service::SystemMonitorService, validator::move_and_async_delete_path,
+    },
     solana_entry::entry::Entry,
     solana_geyser_plugin_manager::geyser_plugin_service::GeyserPluginService,
     solana_ledger::{
@@ -1053,13 +1055,10 @@ fn load_bank_forks(
 
         if non_primary_accounts_path.exists() {
             info!("Clearing {:?}", non_primary_accounts_path);
-            if let Err(err) = std::fs::remove_dir_all(&non_primary_accounts_path) {
-                eprintln!(
-                    "error deleting accounts path {:?}: {}",
-                    non_primary_accounts_path, err
-                );
-                exit(1);
-            }
+            let mut measure_time = Measure::start("clean_non_primary_accounts_paths");
+            move_and_async_delete_path(&non_primary_accounts_path);
+            measure_time.stop();
+            info!("done. {}", measure_time);
         }
 
         vec![non_primary_accounts_path]