76 static constexpr bool IsBlockCompressed(const struct erofs_map_blocks& block) {  in IsBlockCompressed()  argument
80   return block.m_flags & EROFS_MAP_ENCODED &&  in IsBlockCompressed()
81          block.m_algorithmformat != Z_EROFS_COMPRESSION_SHIFTED;  in IsBlockCompressed()
90   struct erofs_map_blocks block {};  in FillExtentInfo()  struct
91   block.m_la = 0;  in FillExtentInfo()
92   block.index = UINT_MAX;  in FillExtentInfo()
95   auto last_pa = block.m_pa;  in FillExtentInfo()
97   while (block.m_la < inode->i_size) {  in FillExtentInfo()
98     auto error = ErofsMapBlocks(inode, &block, EROFS_GET_BLOCKS_FIEMAP);  in FillExtentInfo()
100       block.m_la += block.m_llen;  in FillExtentInfo()
106     if (block.m_pa % kBlockSize != 0) {  in FillExtentInfo()
110       if (block.m_llen >= kBlockSize ||  in FillExtentInfo()
111           block.m_la + block.m_llen != inode->i_size) {  in FillExtentInfo()
114                    << block.m_pa << ", "  in FillExtentInfo()
115                    << " length: " << block.m_plen  in FillExtentInfo()
116                    << ", logical offset: " << block.m_la << ", remaining data: "  in FillExtentInfo()
117                    << inode->i_size - (block.m_la + block.m_llen);  in FillExtentInfo()
119       (*unaligned_bytes) += block.m_plen;  in FillExtentInfo()
124     if (!IsBlockCompressed(block)) {  in FillExtentInfo()
125       CHECK_LE(block.m_llen, block.m_plen);  in FillExtentInfo()
126       block.m_llen = block.m_plen;  in FillExtentInfo()
129     if (last_pa + last_plen != block.m_pa) {  in FillExtentInfo()
134       last_pa = block.m_pa;  in FillExtentInfo()
135       last_plen = block.m_plen;  in FillExtentInfo()
137       last_plen += block.m_plen;  in FillExtentInfo()
143       if (block.m_llen == block.m_plen && !compressed_blocks.empty() &&  in FillExtentInfo()
145         compressed_blocks.back().compressed_length += block.m_llen;  in FillExtentInfo()
146         compressed_blocks.back().uncompressed_length += block.m_llen;  in FillExtentInfo()
149             CompressedBlock(block.m_la, block.m_plen, block.m_llen));  in FillExtentInfo()