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

From f748670fa7d6a1c8af5f53f33a5e4ab091b94bbe Mon Sep 17 00:00:00 2001
From: Dongjin Kim <dongjin_.kim@samsung.com>
Date: Mon, 7 Jun 2021 15:38:25 +0900
Subject: [PATCH] [f2fs] Configure deivce size as minimum size for f2fs

Since f2fs needs device size more than 100MiB,
  configure device_block_count in rw-tests to provide the minimum size.

Change-Id: Ia4a949fa9c505fa7142eaa8170b7e7487c592e1e
---
 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 c397bbdcfc2..80689686d4a 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 c5fa0256b8b..380b50f1f10 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 3d88727cf82..e07f2eb17d7 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(
         // Fatfs is slow, so skip larger buffer sizes.
         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