patches/0004-f2fs-Configure-deivce-size-as-minimum-size-for-f2fs.patch

From 28cf7fcb735698ef8d96d73ef35e1a19c050add6 Mon Sep 17 00:00:00 2001
From: Dongjin Kim <dongjin_.kim@samsung.com>
Date: Sat, 24 Jul 2021 01:38:18 +0900
Subject: [PATCH 4/5] [f2fs] Configure deivce size as minimum size for f2fs

Change-Id: I0e15a43953c03ff4dc94e75898942c0c62d8fe4d
---
 src/storage/fs_test/directory_large.cc | 6 ++++++
 src/storage/fs_test/rw.cc              | 4 ++++
 src/storage/fs_test/truncate_large.cc  | 7 ++++++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/storage/fs_test/directory_large.cc b/src/storage/fs_test/directory_large.cc
index 9d0d1710356..e9b85e424ac 100644
--- a/src/storage/fs_test/directory_large.cc
+++ b/src/storage/fs_test/directory_large.cc
@@ -59,6 +59,12 @@ INSTANTIATE_TEST_SUITE_P(
           // memory is the limiting factor).
           if (options.filesystem->GetTraits().in_memory)
             return std::nullopt;
+
+          if (options.filesystem->GetTraits().name == "f2fs") {
+            options.device_block_count = 204800;
+            return options;
+          }
+
           if (!options.filesystem->GetTraits().has_directory_size_limit) {
             // Fatfs is slow and, other than the root directory on FAT12/16, is limited by the size
             // of the ram-disk rather than a directory size limit, so use a small ram-disk to keep
diff --git a/src/storage/fs_test/rw.cc b/src/storage/fs_test/rw.cc
index be5727fc470..19a703f862e 100644
--- a/src/storage/fs_test/rw.cc
+++ b/src/storage/fs_test/rw.cc
@@ -209,6 +209,10 @@ INSTANTIATE_TEST_SUITE_P(
             return std::nullopt;
           }
           // Run on a smaller ram-disk to keep run-time reasonable.
+          if (options.filesystem->GetTraits().name == "f2fs") {
+            options.device_block_count = 204800;
+            return options;
+          }
           options.device_block_count = 8192;
           options.fvm_slice_size = 32768;
           return options;
diff --git a/src/storage/fs_test/truncate_large.cc b/src/storage/fs_test/truncate_large.cc
index 9f6f785d0f9..4e373193632 100644
--- a/src/storage/fs_test/truncate_large.cc
+++ b/src/storage/fs_test/truncate_large.cc
@@ -24,7 +24,12 @@ std::vector<LargeTruncateTestParamType> GetTestCombinations(
         // Skip larger buffer sizes on slow filesystems.
         continue;
       }
-      options.device_block_count = 3 * (1LLU << 16);
+
+      if (options.filesystem->GetTraits().name == "f2fs") {
+        options.device_block_count = 204800;
+      } else {
+        options.device_block_count = 3 * (1LLU << 16);
+      }
       options.device_block_size = 1LLU << 9;
       options.fvm_slice_size = 1LLU << 23;
       test_combinations.push_back(std::make_tuple(options, variation));
-- 
2.25.1