/*
* pmem_drain -- wait for any PM stores to drain from HW buffers
*/
void
pmem_drain(void)
{
LOG(10, NULL);
Func_drain();
}
void BackendManager::Sync(BackendType type, void *address, size_t length) {
switch (type) {
case BackendType::MM: {
// Nothing to do here
} break;
case BackendType::NVM: {
// flush writes to NVM
Func_flush(address, length);
Func_drain();
clflush_count++;
} break;
case BackendType::SSD:
case BackendType::HDD: {
// sync the mmap'ed file to SSD or HDD
int status = msync(data_file_address, data_file_len, MS_SYNC);
if (status != 0) {
perror("msync");
exit(EXIT_FAILURE);
}
msync_count++;
} break;
case BackendType::INVALID:
default: {
// Nothing to do here
} break;
}
}
