57 IOStatus IOError(const std::string& context, const std::string& file_name,  in IOError()
61       IOStatus s = IOStatus::NoSpace(IOErrorMsg(context, file_name),  in IOError()
67       return IOStatus::IOError(IOStatus::kStaleFile);  in IOError()
69       return IOStatus::PathNotFound(IOErrorMsg(context, file_name),  in IOError()
72       return IOStatus::IOError(IOErrorMsg(context, file_name),  in IOError()
230 IOStatus PosixSequentialFile::Read(size_t n, const IOOptions& /*opts*/,  in Read()
234   IOStatus s;  in Read()
255 IOStatus PosixSequentialFile::PositionedRead(uint64_t offset, size_t n,  in PositionedRead()
264   IOStatus s;  in PositionedRead()
295 IOStatus PosixSequentialFile::Skip(uint64_t n) {  in Skip()
300   return IOStatus::OK();  in Skip()
303 IOStatus PosixSequentialFile::InvalidateCache(size_t offset, size_t length) {  in InvalidateCache()
307   return IOStatus::OK();  in InvalidateCache()
318   return IOStatus::OK();  in InvalidateCache()
566 IOStatus PosixRandomAccessFile::Read(uint64_t offset, size_t n,  in Read()
575   IOStatus s;  in Read()
607 IOStatus PosixRandomAccessFile::MultiRead(FSReadRequest* reqs,  in MultiRead()
700           req->status = IOStatus::OK();  in MultiRead()
727   return IOStatus::OK();  in MultiRead()
733 IOStatus PosixRandomAccessFile::Prefetch(uint64_t offset, size_t n,  in Prefetch()
736   IOStatus s;  in Prefetch()
789 IOStatus PosixRandomAccessFile::InvalidateCache(size_t offset, size_t length) {  in InvalidateCache()
791     return IOStatus::OK();  in InvalidateCache()
796   return IOStatus::OK();  in InvalidateCache()
801     return IOStatus::OK();  in InvalidateCache()
837 IOStatus PosixMmapReadableFile::Read(uint64_t offset, size_t n,  in Read()
841   IOStatus s;  in Read()
854 IOStatus PosixMmapReadableFile::InvalidateCache(size_t offset, size_t length) {  in InvalidateCache()
858   return IOStatus::OK();  in InvalidateCache()
863     return IOStatus::OK();  in InvalidateCache()
879 IOStatus PosixMmapFile::UnmapCurrentRegion() {  in UnmapCurrentRegion()
897   return IOStatus::OK();  in UnmapCurrentRegion()
900 IOStatus PosixMmapFile::MapNewRegion() {  in MapNewRegion()
913       return IOStatus::IOError("Error allocating space to file : " + filename_ +  in MapNewRegion()
922     return IOStatus::IOError("MMap failed on " + filename_);  in MapNewRegion()
930   return IOStatus::OK();  in MapNewRegion()
932   return IOStatus::NotSupported("This platform doesn't support fallocate()");  in MapNewRegion()
936 IOStatus PosixMmapFile::Msync() {  in Msync()
938     return IOStatus::OK();  in Msync()
949   return IOStatus::OK();  in Msync()
980 IOStatus PosixMmapFile::Append(const Slice& data, const IOOptions& /*opts*/,  in Append()
989       IOStatus s = UnmapCurrentRegion();  in Append()
1007   return IOStatus::OK();  in Append()
1010 IOStatus PosixMmapFile::Close(const IOOptions& /*opts*/,  in Close()
1012   IOStatus s;  in Close()
1037 IOStatus PosixMmapFile::Flush(const IOOptions& /*opts*/,  in Flush()
1039   return IOStatus::OK();  in Flush()
1042 IOStatus PosixMmapFile::Sync(const IOOptions& /*opts*/,  in Sync()
1054 IOStatus PosixMmapFile::Fsync(const IOOptions& /*opts*/,  in Fsync()
1074 IOStatus PosixMmapFile::InvalidateCache(size_t offset, size_t length) {  in InvalidateCache()
1078   return IOStatus::OK();  in InvalidateCache()
1083     return IOStatus::OK();  in InvalidateCache()
1090 IOStatus PosixMmapFile::Allocate(uint64_t offset, uint64_t len,  in Allocate()
1103     return IOStatus::OK();  in Allocate()
1142 IOStatus PosixWritableFile::Append(const Slice& data, const IOOptions& /*opts*/,  in Append()
1156   return IOStatus::OK();  in Append()
1159 IOStatus PosixWritableFile::PositionedAppend(const Slice& data, uint64_t offset,  in PositionedAppend()
1175   return IOStatus::OK();  in PositionedAppend()
1178 IOStatus PosixWritableFile::Truncate(uint64_t size, const IOOptions& /*opts*/,  in Truncate()
1180   IOStatus s;  in Truncate()
1191 IOStatus PosixWritableFile::Close(const IOOptions& /*opts*/,  in Close()
1193   IOStatus s;  in Close()
1247 IOStatus PosixWritableFile::Flush(const IOOptions& /*opts*/,  in Flush()
1249   return IOStatus::OK();  in Flush()
1252 IOStatus PosixWritableFile::Sync(const IOOptions& /*opts*/,  in Sync()
1257   return IOStatus::OK();  in Sync()
1260 IOStatus PosixWritableFile::Fsync(const IOOptions& /*opts*/,  in Fsync()
1265   return IOStatus::OK();  in Fsync()
1293 IOStatus PosixWritableFile::InvalidateCache(size_t offset, size_t length) {  in InvalidateCache()
1295     return IOStatus::OK();  in InvalidateCache()
1300   return IOStatus::OK();  in InvalidateCache()
1305     return IOStatus::OK();  in InvalidateCache()
1312 IOStatus PosixWritableFile::Allocate(uint64_t offset, uint64_t len,  in Allocate()
1326     return IOStatus::OK();  in Allocate()
1335 IOStatus PosixWritableFile::RangeSync(uint64_t offset, uint64_t nbytes,  in RangeSync()
1358     return IOStatus::OK();  in RangeSync()
1384 IOStatus PosixRandomRWFile::Write(uint64_t offset, const Slice& data,  in Write()
1395   return IOStatus::OK();  in Write()
1398 IOStatus PosixRandomRWFile::Read(uint64_t offset, size_t n,  in Read()
1426   return IOStatus::OK();  in Read()
1429 IOStatus PosixRandomRWFile::Flush(const IOOptions& /*opts*/,  in Flush()
1431   return IOStatus::OK();  in Flush()
1434 IOStatus PosixRandomRWFile::Sync(const IOOptions& /*opts*/,  in Sync()
1439   return IOStatus::OK();  in Sync()
1442 IOStatus PosixRandomRWFile::Fsync(const IOOptions& /*opts*/,  in Fsync()
1447   return IOStatus::OK();  in Fsync()
1450 IOStatus PosixRandomRWFile::Close(const IOOptions& /*opts*/,  in Close()
1456   return IOStatus::OK();  in Close()
1470 IOStatus PosixDirectory::Fsync(const IOOptions& /*opts*/,  in Fsync()
1477   return IOStatus::OK();  in Fsync()