86   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()  argument
87     return file_->InvalidateCache(offset + prefixLength_, length);  in InvalidateCache()
92   Status PositionedRead(uint64_t offset, size_t n, Slice* result,  in PositionedRead()  argument
95     offset += prefixLength_; // Skip prefix  in PositionedRead()
96     auto status = file_->PositionedRead(offset, n, result, scratch);  in PositionedRead()
100     offset_ = offset + result->size();  in PositionedRead()
101     status = stream_->Decrypt(offset, (char*)result->data(), result->size());  in PositionedRead()
127   Status Read(uint64_t offset, size_t n, Slice* result,  in Read()  argument
130     offset += prefixLength_;  in Read()
131     auto status = file_->Read(offset, n, result, scratch);  in Read()
135     status = stream_->Decrypt(offset, (char*)result->data(), result->size());  in Read()
140   Status Prefetch(uint64_t offset, size_t n) override {  in Prefetch()  argument
142     return file_->Prefetch(offset + prefixLength_, n);  in Prefetch()
179   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()  argument
180     return file_->InvalidateCache(offset + prefixLength_, length);  in InvalidateCache()
203       auto offset = file_->GetFileSize(); // size including prefix  in Append()  local
211       status = stream_->Encrypt(offset, buf.BufferStart(), buf.CurrentSize());  in Append()
224   Status PositionedAppend(const Slice& data, uint64_t offset) override {  in PositionedAppend()  argument
228     offset += prefixLength_;  in PositionedAppend()
235       status = stream_->Encrypt(offset, buf.BufferStart(), buf.CurrentSize());  in PositionedAppend()
241     status = file_->PositionedAppend(dataToAppend, offset);  in PositionedAppend()
277   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()  argument
278     return file_->InvalidateCache(offset + prefixLength_, length);  in InvalidateCache()
287   Status RangeSync(uint64_t offset, uint64_t nbytes) override {  in RangeSync()  argument
288     return file_->RangeSync(offset + prefixLength_, nbytes);  in RangeSync()
296   void PrepareWrite(size_t offset, size_t len) override {  in PrepareWrite()  argument
297     file_->PrepareWrite(offset + prefixLength_, len);  in PrepareWrite()
301   Status Allocate(uint64_t offset, uint64_t len) override {  in Allocate()  argument
302     return file_->Allocate(offset + prefixLength_, len);  in Allocate()
329   Status Write(uint64_t offset, const Slice& data) override {  in Write()  argument
333     offset += prefixLength_;  in Write()
340       status = stream_->Encrypt(offset, buf.BufferStart(), buf.CurrentSize());  in Write()
346     status = file_->Write(offset, dataToWrite);  in Write()
353   Status Read(uint64_t offset, size_t n, Slice* result,  in Read()  argument
356     offset += prefixLength_;  in Read()
357     auto status = file_->Read(offset, n, result, scratch);  in Read()
361     status = stream_->Decrypt(offset, (char*)result->data(), result->size());  in Read()