From e2fc575c6122b40f5d660ae04f269e118354c101 Mon Sep 17 00:00:00 2001
From: Jude Taylor <jude.taylor@dfinity.org>
Date: Mon, 4 May 2020 14:42:06 -0700
Subject: [PATCH] nix auto-gc: use fragment size

---
 src/libstore/gc.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index 6bab1e37c..d210defe5 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -889,7 +889,7 @@ void LocalStore::autoGC(bool sync)
         if (statvfs(realStoreDir.c_str(), &st))
             throw SysError("getting filesystem info about '%s'", realStoreDir);
 
-        return (uint64_t) st.f_bavail * st.f_bsize;
+        return (uint64_t) st.f_bavail * st.f_frsize;
     };
 
     std::shared_future<void> future;