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authorTao Bao <tbao@google.com>2017-10-28 08:39:45 +0200
committerTao Bao <tbao@google.com>2017-10-29 22:51:25 +0100
commit6ec94c023e2752c5c5f16f03c7832bdeaa4a2d91 (patch)
tree264af0688224c2550eace76df2f98f413d3e4b16
parentMerge "tests: Take the ownership of the FD when calling fdopen." (diff)
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-rw-r--r--update_verifier/update_verifier.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/update_verifier/update_verifier.cpp b/update_verifier/update_verifier.cpp
index faebbede0..ba7b7aec4 100644
--- a/update_verifier/update_verifier.cpp
+++ b/update_verifier/update_verifier.cpp
@@ -137,11 +137,12 @@ static bool read_blocks(const std::string& partition, const std::string& range_s
LOG(ERROR) << "Error in parsing range string.";
return false;
}
+ range_count /= 2;
std::vector<std::future<bool>> threads;
size_t thread_num = std::thread::hardware_concurrency() ?: 4;
- thread_num = std::min(thread_num, range_count / 2);
- size_t group_range_count = range_count / thread_num;
+ thread_num = std::min(thread_num, range_count);
+ size_t group_range_count = (range_count + thread_num - 1) / thread_num;
for (size_t t = 0; t < thread_num; t++) {
auto thread_func = [t, group_range_count, &dm_block_device, &ranges, &partition]() {
@@ -154,7 +155,8 @@ static bool read_blocks(const std::string& partition, const std::string& range_s
return false;
}
- for (size_t i = 1 + group_range_count * t; i < group_range_count * (t + 1) + 1; i += 2) {
+ for (size_t i = group_range_count * 2 * t + 1;
+ i < std::min(group_range_count * 2 * (t + 1) + 1, ranges.size()); i += 2) {
unsigned int range_start, range_end;
bool parse_status = android::base::ParseUint(ranges[i], &range_start);
parse_status = parse_status && android::base::ParseUint(ranges[i + 1], &range_end);