tequilaOS/platform_system_vold
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge "vold: Idle-maint calls device GC" into pi-dev

Browse source
This commit is contained in:
TreeHugger Robot 2018-04-20 23:42:04 +00:00 committed by Android (Google) Code Review
commit 4a04cad4ec
1 changed files with 61 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

62
IdleMaint.cpp
View file

@ -59,7 +59,14 @@ enum class IdleMaintStats {
static const char* kWakeLock = "IdleMaint";
static const int DIRTY_SEGMENTS_THRESHOLD = 100;
static const int GC_TIMEOUT_SEC = 480;
/*
* Timing policy:
* 1. F2FS_GC = 7 mins
* 2. Trim = 1 min
* 3. Dev GC = 2 mins
*/
static const int GC_TIMEOUT_SEC = 420;
static const int DEVGC_TIMEOUT_SEC = 120;
static IdleMaintStats idle_maint_stat(IdleMaintStats::kStopped);
static std::condition_variable cv_abort, cv_stop;
@ -248,6 +255,58 @@ static int stopGc(const std::list<std::string>& paths) {
return android::OK;
}
static void runDevGc(void) {
std::unique_ptr<fstab, decltype(&fs_mgr_free_fstab)> fstab(fs_mgr_read_fstab_default(),
fs_mgr_free_fstab);
struct fstab_rec *rec = NULL;
for (int i = 0; i < fstab->num_entries; i++) {
if (fs_mgr_has_sysfs_path(&fstab->recs[i])) {
rec = &fstab->recs[i];
break;
}
}
if (!rec) {
return;
}
std::string path;
path.append(rec->sysfs_path);
path = path + "/manual_gc";
Timer timer;
LOG(DEBUG) << "Start Dev GC on " << path;
while (1) {
std::string require;
if (!ReadFileToString(path, &require)) {
PLOG(WARNING) << "Reading manual_gc failed in " << path;
break;
}
if (require == "" || require == "off" || require == "disabled") {
LOG(DEBUG) << "No more to do Dev GC";
break;
}
LOG(DEBUG) << "Trigger Dev GC on " << path;
if (!WriteStringToFile("1", path)) {
PLOG(WARNING) << "Start Dev GC failed on " << path;
break;
}
if (timer.duration() >= std::chrono::seconds(DEVGC_TIMEOUT_SEC)) {
LOG(WARNING) << "Dev GC timeout";
break;
}
sleep(2);
}
LOG(DEBUG) << "Stop Dev GC on " << path;
if (!WriteStringToFile("0", path)) {
PLOG(WARNING) << "Stop Dev GC failed on " << path;
}
return;
}
int RunIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener) {
std::unique_lock<std::mutex> lk(cv_m);
if (idle_maint_stat != IdleMaintStats::kStopped) {
@ -283,6 +342,7 @@ int RunIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener) {
if (!gc_aborted) {
Trim(nullptr);
runDevGc();
}
if (listener) {