From 1cf5178ac5ab92d2e6100b12a874356be94e35ba Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Thu, 2 Jan 2020 11:00:33 +0100
Subject: [PATCH] src/backup/datastore.rs: new helper
 try_shared_chunk_store_lock()

---
 src/backup/datastore.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/backup/datastore.rs b/src/backup/datastore.rs
index 7aef844c..7e1861ce 100644
--- a/src/backup/datastore.rs
+++ b/src/backup/datastore.rs
@@ -291,6 +291,10 @@ impl DataStore {
         Ok(())
     }
 
+    pub fn try_shared_chunk_store_lock(&self) -> Result<tools::ProcessLockSharedGuard, Error> {
+        self.chunk_store.try_shared_lock()
+    }
+
     pub fn chunk_path(&self, digest:&[u8; 32]) -> (PathBuf, String) {
         self.chunk_store.chunk_path(digest)
     }