30     size_t alignment = file_->GetRequiredBufferAlignment();  in Read()
39     s = file_->PositionedRead(aligned_offset, size, IOOptions(), &tmp,  in Read()
49     s = file_->Read(n, IOOptions(), result, scratch, nullptr);  in Read()
62   return file_->Skip(n);  in Skip()
74       : file_(std::move(file)),  in ReadaheadSequentialFile()
75         alignment_(file_->GetRequiredBufferAlignment()),  in ReadaheadSequentialFile()
108       s = file_->Read(n, opts, result, scratch + cached_len, dbg);  in Read()
145       s = file_->Skip(n);  in Skip()
157     return file_->PositionedRead(offset, n, opts, result, scratch, dbg);  in PositionedRead()
163     return file_->InvalidateCache(offset, length);  in InvalidateCache()
166   bool use_direct_io() const override { return file_->use_direct_io(); }  in use_direct_io()
197     IOStatus s = file_->Read(n, opts, &result, buffer_.BufferStart(), dbg);  in ReadIntoBuffer()
206   const std::unique_ptr<FSSequentialFile> file_;  member in ROCKSDB_NAMESPACE::__anon88823ea90111::ReadaheadSequentialFile