619   uint64_t offset;  member
866   virtual void PrepareWrite(size_t offset, size_t len) {  in PrepareWrite()
1417   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
1420   Status PositionedRead(uint64_t offset, size_t n, Slice* result,  in PositionedRead()
1434   Status Read(uint64_t offset, size_t n, Slice* result,  in Read()
1441   Status Prefetch(uint64_t offset, size_t n) override {  in Prefetch()
1452   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
1465   Status PositionedAppend(const Slice& data, uint64_t offset) override {  in PositionedAppend()
1510   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
1514   Status RangeSync(uint64_t offset, uint64_t nbytes) override {  in RangeSync()
1518   void PrepareWrite(size_t offset, size_t len) override {  in PrepareWrite()
1522   Status Allocate(uint64_t offset, uint64_t len) override {  in Allocate()
1538   Status Write(uint64_t offset, const Slice& data) override {  in Write()
1541   Status Read(uint64_t offset, size_t n, Slice* result,  in Read()