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Merge "libsnapshot: Set default cluster size to 200"

This commit is contained in:
Daniel Rosenberg 2021-01-14 01:12:25 +00:00 committed by Gerrit Code Review
parent 1ee38ede4c db03c5a18e
commit bdd1244d54
2 changed files with 10 additions and 1 deletions
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9
fs_mgr/libsnapshot/cow_api_test.cpp
View File

@ -60,6 +60,7 @@ class StringSink : public IByteSink {
TEST_F(CowTest, ReadWrite) {
CowOptions options;
options.cluster_ops = 0;
CowWriter writer(options);
ASSERT_TRUE(writer.Initialize(cow_->fd));
@ -137,6 +138,7 @@ TEST_F(CowTest, ReadWrite) {
TEST_F(CowTest, CompressGz) {
CowOptions options;
options.cluster_ops = 0;
options.compression = "gz";
CowWriter writer(options);
@ -238,6 +240,7 @@ TEST_F(CowTest, ClusterCompressGz) {
TEST_F(CowTest, CompressTwoBlocks) {
CowOptions options;
options.compression = "gz";
options.cluster_ops = 0;
CowWriter writer(options);
ASSERT_TRUE(writer.Initialize(cow_->fd));
@ -280,6 +283,7 @@ class CompressionTest : public CowTest, public testing::WithParamInterface<const
TEST_P(CompressionTest, HorribleSink) {
CowOptions options;
options.compression = GetParam();
options.cluster_ops = 0;
CowWriter writer(options);
ASSERT_TRUE(writer.Initialize(cow_->fd));
@ -309,6 +313,7 @@ INSTANTIATE_TEST_SUITE_P(CowApi, CompressionTest, testing::Values("none", "gz",
TEST_F(CowTest, GetSize) {
CowOptions options;
options.cluster_ops = 0;
CowWriter writer(options);
if (ftruncate(cow_->fd, 0) < 0) {
perror("Fails to set temp file size");
@ -334,6 +339,7 @@ TEST_F(CowTest, GetSize) {
TEST_F(CowTest, AppendLabelSmall) {
CowOptions options;
options.cluster_ops = 0;
auto writer = std::make_unique<CowWriter>(options);
ASSERT_TRUE(writer->Initialize(cow_->fd));
@ -399,6 +405,7 @@ TEST_F(CowTest, AppendLabelSmall) {
TEST_F(CowTest, AppendLabelMissing) {
CowOptions options;
options.cluster_ops = 0;
auto writer = std::make_unique<CowWriter>(options);
ASSERT_TRUE(writer->Initialize(cow_->fd));
@ -452,6 +459,7 @@ TEST_F(CowTest, AppendLabelMissing) {
TEST_F(CowTest, AppendExtendedCorrupted) {
CowOptions options;
options.cluster_ops = 0;
auto writer = std::make_unique<CowWriter>(options);
ASSERT_TRUE(writer->Initialize(cow_->fd));
@ -504,6 +512,7 @@ TEST_F(CowTest, AppendExtendedCorrupted) {
TEST_F(CowTest, AppendbyLabel) {
CowOptions options;
options.cluster_ops = 0;
auto writer = std::make_unique<CowWriter>(options);
ASSERT_TRUE(writer->Initialize(cow_->fd));

2
fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
View File

@ -35,7 +35,7 @@ struct CowOptions {
std::optional<uint64_t> max_blocks;
// Number of CowOperations in a cluster. 0 for no clustering. Cannot be 1.
uint32_t cluster_ops = 0;
uint32_t cluster_ops = 200;
};
// Interface for writing to a snapuserd COW. All operations are ordered; merges