24 Status RandomAccessFileReader::Read(uint64_t offset, size_t n, Slice* result,  in Read()
38       size_t alignment = file_->GetRequiredBufferAlignment();  in Read()
39       size_t aligned_offset =  in Read()
40           TruncateToPageBoundary(alignment, static_cast<size_t>(offset));  in Read()
41       size_t offset_advance = static_cast<size_t>(offset) - aligned_offset;  in Read()
42       size_t read_size =  in Read()
43           Roundup(static_cast<size_t>(offset + n), alignment) - aligned_offset;  in Read()
48         size_t allowed;  in Read()
81       size_t res_len = 0;  in Read()
94       size_t pos = 0;  in Read()
97         size_t allowed;  in Read()
157 size_t End(const FSReadRequest& r) {  in End()
158   return static_cast<size_t>(r.offset) + r.len;  in End()
161 FSReadRequest Align(const FSReadRequest& r, size_t alignment) {  in Align()
164     TruncateToPageBoundary(alignment, static_cast<size_t>(r.offset)));  in Align()
177   size_t dest_offset = static_cast<size_t>(dest->offset);  in TryMerge()
178   size_t src_offset = static_cast<size_t>(src.offset);  in TryMerge()
179   size_t dest_end = End(*dest);  in TryMerge()
180   size_t src_end = End(src);  in TryMerge()
190                                          size_t num_reqs,  in MultiRead()
204     size_t num_fs_reqs = num_reqs;  in MultiRead()
212       size_t alignment = file_->GetRequiredBufferAlignment();  in MultiRead()
214       for (size_t i = 1; i < num_reqs; i++) {  in MultiRead()
222       size_t total_len = 0;  in MultiRead()
255       size_t aligned_i = 0;  in MultiRead()
256       for (size_t i = 0; i < num_reqs; i++) {  in MultiRead()
258         if (static_cast<size_t>(r.offset) > End(aligned_reqs[aligned_i])) {  in MultiRead()
265           size_t len = std::min(r.len, static_cast<size_t>(fs_r.len - offset));  in MultiRead()
274     for (size_t i = 0; i < num_reqs; ++i) {  in MultiRead()