94   bool Deserialize(const Slice& buf);
144     CacheWriteBuffer* buf = (*bufs)[*woff];  in Append()  local
145     const size_t free = buf->Free();  in Append()
147       buf->Append(p, size);  in Append()
150       buf->Append(p, free);  in Append()
153       assert(!buf->Free());  in Append()
154       assert(buf->Used() == buf->Capacity());  in Append()
157     if (!buf->Free()) {  in Append()
373     CacheWriteBuffer* const buf = alloc_->Allocate();  in ExpandBuffer()  local
374     if (!buf) {  in ExpandBuffer()
379     size_ += static_cast<uint32_t>(buf->Free());  in ExpandBuffer()
380     free += buf->Free();  in ExpandBuffer()
381     bufs_.push_back(buf);  in ExpandBuffer()
409   auto* buf = bufs_[buf_doff_];  in DispatchBuffer()  local
412   assert(!buf->Free() ||  in DispatchBuffer()
416   buf->FillTrailingZeros();  in DispatchBuffer()
418   assert(buf->Used() % kFileAlignmentSize == 0);  in DispatchBuffer()
420   writer_->Write(file_.get(), buf, file_off,  in DispatchBuffer()
483     auto* buf = bufs_[i];  in ReadBuffer()  local
484     assert(i == buf_woff_ || !buf->Free());  in ReadBuffer()
486     size_t nbytes = pending_nbytes > (buf->Used() - start_off)  in ReadBuffer()
487                         ? (buf->Used() - start_off)  in ReadBuffer()
489     memcpy(tmp, buf->Data() + start_off, nbytes);  in ReadBuffer()
561 void ThreadedWriter::Write(WritableFile* const file, CacheWriteBuffer* buf,  in Write()  argument
564   q_.Push(IO(file, buf, file_off, callback));  in Write()