From 15433b93ff9d46c1951839e7b246b8c2785b0561 Mon Sep 17 00:00:00 2001
From: David Anderson <dvander@google.com>
Date: Thu, 17 Mar 2022 20:35:52 -0700
Subject: [PATCH] vts_libsnapshot_test: Fix free space calculation.

This should be using unreserved free space, not total free space.

Bug: 223701928
Test: vts_libsnapshot_test
Change-Id: Ic0a657fe094b57734c93958d7e5da56fbfbada7f
---
 fs_mgr/libsnapshot/test_helpers.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs_mgr/libsnapshot/test_helpers.cpp b/fs_mgr/libsnapshot/test_helpers.cpp
index e3e3af853..71fe12435 100644
--- a/fs_mgr/libsnapshot/test_helpers.cpp
+++ b/fs_mgr/libsnapshot/test_helpers.cpp
@@ -267,8 +267,8 @@ AssertionResult LowSpaceUserdata::Init(uint64_t max_free_space) {
         return AssertionFailure() << "Temp file allocated to " << big_file_->path << ", not in "
                                   << kUserDataDevice;
     }
-    uint64_t next_consume =
-            std::min(free_space_ - max_free_space, (uint64_t)std::numeric_limits<off_t>::max());
+    uint64_t next_consume = std::min(available_space_ - max_free_space,
+                                     (uint64_t)std::numeric_limits<off_t>::max());
     off_t allocated = 0;
     while (next_consume > 0 && free_space_ > max_free_space) {
         int status = fallocate(big_file_->fd, 0, allocated, next_consume);