AU: Increase full update chunk size to 1MiB

delta_diff_generator.cc

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "update_engine/delta_diff_generator.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
 #include <sys/stat.h>
@@ skipping 32 matching lines @@
 using std::set;
 using std::string;
 using std::vector;
 
 namespace chromeos_update_engine {
 
 typedef DeltaDiffGenerator::Block Block;
 
 namespace {
 const size_t kBlockSize = 4096;  // bytes
-const size_t kRootFSPartitionSize = 1 * 1024 * 1024 * 1024;  // 1 GiB
+const size_t kRootFSPartitionSize = 1 * 1024 * 1024 * 1024;  // bytes
 const uint64_t kVersionNumber = 1;
-const uint64_t kFullUpdateChunkSize = 128 * 1024;  // bytes
+const uint64_t kFullUpdateChunkSize = 1024 * 1024;  // bytes
 
 static const char* kInstallOperationTypes[] = {
   "REPLACE",
   "REPLACE_BZ",
   "MOVE",
   "BSDIFF"
 };
 
 // Stores all Extents for a file into 'out'. Returns true on success.
 bool GatherExtents(const string& path,
@@ skipping 1452 matching lines @@
 
   LOG(INFO) << "All done. Successfully created delta file.";
   return true;
 }
 
 const char* const kBsdiffPath = "/usr/bin/bsdiff";
 const char* const kBspatchPath = "/usr/bin/bspatch";
 const char* const kDeltaMagic = "CrAU";
 
 };  // namespace chromeos_update_engine