274 bool MappedFile::SyncFileSize(off_t newSize)  in SyncFileSize()  argument
276     if (newSize > size_) {  in SyncFileSize()
281         } else if (offset_ + newSize <= stb.st_size) {  in SyncFileSize()
284             if (ftruncate(fd_, offset_ + newSize) == -1) {  in SyncFileSize()
294 ErrCode MappedFile::Resize(off_t newSize, bool sync)  in Resize()  argument
296     if (newSize == DEFAULT_LENGTH) {  in Resize()
300             newSize = PageSize();  in Resize()
303         if (newSize == DEFAULT_LENGTH) {  in Resize()
304             newSize = stb.st_size;  in Resize()
308     if (newSize == 0 || newSize < DEFAULT_LENGTH || newSize == size_) {  in Resize()
320         if (!SyncFileSize(newSize)) {  in Resize()
331         if (!ValidMappedSize(newSize, stb)) {  in Resize()
337 …void* newData = mremap(rStart_, static_cast<size_t>(size_), static_cast<size_t>(newSize), MREMAP_M…  in Resize()
344     size_ = newSize;  in Resize()