64     bool ReadExt4BlockBitmap(uint32_t group, uint8_t* buf);
65     uint64_t FirstBlockInGroup(uint32_t group);
66     uint32_t NumBlocksInGroup(uint32_t group);
67     uint32_t NumBaseMetaBlocksInGroup(uint64_t group);
171 bool InPlaceEncrypter::ReadExt4BlockBitmap(uint32_t group, uint8_t* buf) {  in ReadExt4BlockBitmap()  argument
172     uint64_t offset = (uint64_t)aux_info.bg_desc[group].bg_block_bitmap * info.block_size;  in ReadExt4BlockBitmap()
174         PLOG(ERROR) << "Failed to read block bitmap for block group " << group;  in ReadExt4BlockBitmap()
180 uint64_t InPlaceEncrypter::FirstBlockInGroup(uint32_t group) {  in FirstBlockInGroup()  argument
181     return aux_info.first_data_block + (group * (uint64_t)info.blocks_per_group);  in FirstBlockInGroup()
184 uint32_t InPlaceEncrypter::NumBlocksInGroup(uint32_t group) {  in NumBlocksInGroup()  argument
185     uint64_t remaining = aux_info.len_blocks - FirstBlockInGroup(group);  in NumBlocksInGroup()
191 uint32_t InPlaceEncrypter::NumBaseMetaBlocksInGroup(uint64_t group) {  in NumBaseMetaBlocksInGroup()  argument
192     if (!ext4_bg_has_super_block(group)) return 0;  in NumBaseMetaBlocksInGroup()
205     for (uint32_t group = 0; group < aux_info.groups; group++) {  in EncryptInPlaceExt4()  local
206         if (aux_info.bg_desc[group].bg_flags & EXT4_BG_BLOCK_UNINIT)  in EncryptInPlaceExt4()
207             blocks_to_encrypt += NumBaseMetaBlocksInGroup(group);  in EncryptInPlaceExt4()
210                     (NumBlocksInGroup(group) - aux_info.bg_desc[group].bg_free_blocks_count);  in EncryptInPlaceExt4()
217     for (uint32_t group = 0; group < aux_info.groups; group++) {  in EncryptInPlaceExt4()  local
218         if (!ReadExt4BlockBitmap(group, &block_bitmap[0])) return kFailed;  in EncryptInPlaceExt4()
220         uint64_t first_block_num = FirstBlockInGroup(group);  in EncryptInPlaceExt4()
221         bool uninit = (aux_info.bg_desc[group].bg_flags & EXT4_BG_BLOCK_UNINIT);  in EncryptInPlaceExt4()
222         uint32_t block_count = uninit ? NumBaseMetaBlocksInGroup(group) : NumBlocksInGroup(group);  in EncryptInPlaceExt4()