libsnapshot: Support cluster_ops in make_cow_from_ab_ota
Allows make_cow_from_ab_ota to specify cluster sizes with the
-cluster_ops flag.
Bug: 172026020
Test: make_cow_from_ab_ota -cluster_ops [n] [source] [dest folder]
Change-Id: Ia3aa8b3bb602944a9d4e9954be37afb262caf060
diff --git a/fs_mgr/libsnapshot/make_cow_from_ab_ota.cpp b/fs_mgr/libsnapshot/make_cow_from_ab_ota.cpp
index d0b8f52..6a5754d 100644
--- a/fs_mgr/libsnapshot/make_cow_from_ab_ota.cpp
+++ b/fs_mgr/libsnapshot/make_cow_from_ab_ota.cpp
@@ -53,6 +53,7 @@
DEFINE_string(source_tf, "", "Source target files (dir or zip file) for incremental payloads");
DEFINE_string(compression, "gz", "Compression type to use (none or gz)");
+DEFINE_uint32(cluster_ops, 0, "Number of Cow Ops per cluster (0 or >1)");
void MyLogger(android::base::LogId, android::base::LogSeverity severity, const char*, const char*,
unsigned int, const char* message) {
@@ -189,6 +190,7 @@
CowOptions options;
options.block_size = kBlockSize;
options.compression = FLAGS_compression;
+ options.cluster_ops = FLAGS_cluster_ops;
writer_ = std::make_unique<CowWriter>(options);
if (!writer_->Initialize(std::move(fd))) {