39   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
42   Status PositionedRead(uint64_t offset, size_t n, Slice* result,  in PositionedRead()
59   Status Read(uint64_t offset, size_t n, Slice* result,  in Read()
85   Status Prefetch(uint64_t offset, size_t n) override {  in Prefetch()
100   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
118   Status PositionedAppend(const Slice& data, uint64_t offset) override {  in PositionedAppend()
183   Status InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
187   Status RangeSync(uint64_t offset, uint64_t nbytes) override {  in RangeSync()
193   void PrepareWrite(size_t offset, size_t len) override {  in PrepareWrite()
199   Status Allocate(uint64_t offset, uint64_t len) override {  in Allocate()
220   Status Write(uint64_t offset, const Slice& data) override {  in Write()
225   Status Read(uint64_t offset, size_t n, Slice* result,  in Read()
631   IOStatus InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
634   IOStatus PositionedRead(uint64_t offset, size_t n,  in PositionedRead()
652   IOStatus Read(uint64_t offset, size_t n, const IOOptions& /*options*/,  in Read()
682   IOStatus Prefetch(uint64_t offset, size_t n, const IOOptions& /*options*/,  in Prefetch()
696   IOStatus InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
713   IOStatus PositionedAppend(const Slice& data, uint64_t offset,  in PositionedAppend()
772   IOStatus InvalidateCache(size_t offset, size_t length) override {  in InvalidateCache()
776   IOStatus RangeSync(uint64_t offset, uint64_t nbytes,  in RangeSync()
782   void PrepareWrite(size_t offset, size_t len, const IOOptions& /*options*/,  in PrepareWrite()
787   IOStatus Allocate(uint64_t offset, uint64_t len, const IOOptions& /*options*/,  in Allocate()
807   IOStatus Write(uint64_t offset, const Slice& data,  in Write()
812   IOStatus Read(uint64_t offset, size_t n, const IOOptions& /*options*/,  in Read()