90   android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(last_command_file.c_str(), O_RDONLY)));  in ParseLastCommandFile()  local
91   if (fd == -1) {  in ParseLastCommandFile()
103   if (!android::base::ReadFdToString(fd.get(), &content)) {  in ParseLastCommandFile()
190 static bool discard_blocks(int fd, off64_t offset, uint64_t size, bool force = false) {  in discard_blocks()  argument
197   if (ioctl(fd, BLKDISCARD, &args) == -1) {  in discard_blocks()
208 static bool check_lseek(int fd, off64_t offset, int whence) {  in check_lseek()  argument
209     off64_t rc = TEMP_FAILURE_RETRY(lseek64(fd, offset, whence));  in check_lseek()
230   RangeSinkWriter(int fd, const RangeSet& tgt)  in RangeSinkWriter()  argument
231       : fd_(fd),  in RangeSinkWriter()
477 static int ReadBlocks(const RangeSet& src, std::vector<uint8_t>* buffer, int fd) {  in ReadBlocks()  argument
480     if (!check_lseek(fd, static_cast<off64_t>(begin) * BLOCKSIZE, SEEK_SET)) {  in ReadBlocks()
485     if (!android::base::ReadFully(fd, buffer->data() + p, size)) {  in ReadBlocks()
497 static int WriteBlocks(const RangeSet& tgt, const std::vector<uint8_t>& buffer, int fd) {  in WriteBlocks()  argument
502     if (!discard_blocks(fd, offset, size)) {  in WriteBlocks()
506     if (!check_lseek(fd, offset, SEEK_SET)) {  in WriteBlocks()
510     if (!android::base::WriteFully(fd, buffer.data() + written, size)) {  in WriteBlocks()
532     android::base::unique_fd fd;  member
632 static void PrintHashForMissingStashedBlocks(const std::string& id, int fd) {  in PrintHashForMissingStashedBlocks()  argument
641   if (ReadBlocks(src, &buffer, fd) == -1) {  in PrintHashForMissingStashedBlocks()
739       if (ReadBlocks(src, buffer, params.fd) == -1) {  in LoadStash()
760       PrintHashForMissingStashedBlocks(id, params.fd);  in LoadStash()
772   android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(fn.c_str(), O_RDONLY)));  in LoadStash()  local
773   if (fd == -1) {  in LoadStash()
781   if (!android::base::ReadFully(fd, buffer->data(), sb.st_size)) {  in LoadStash()
836   android::base::unique_fd fd(  in WriteStash()  local
838   if (fd == -1) {  in WriteStash()
844   if (fchown(fd, AID_SYSTEM, AID_SYSTEM) != 0) {  // system user  in WriteStash()
849   if (!android::base::WriteFully(fd, buffer.data(), blocks * BLOCKSIZE)) {  in WriteStash()
855   if (fsync(fd) == -1) {  in WriteStash()
1011     if (ReadBlocks(src, &params.buffer, params.fd) == -1) {  in LoadSourceBlocks()
1111   if (ReadBlocks(*tgt, &tgtbuffer, params.fd) == -1) {  in LoadSrcTgtVersion3()
1190       if (WriteBlocks(tgt, params.buffer, params.fd) == -1) {  in PerformCommandMove()
1227   if (ReadBlocks(src, &params.buffer, params.fd) == -1) {  in PerformCommandStash()
1288       if (!discard_blocks(params.fd, offset, size)) {  in PerformCommandZero()
1292       if (!check_lseek(params.fd, offset, SEEK_SET)) {  in PerformCommandZero()
1297         if (!android::base::WriteFully(params.fd, params.buffer.data(), BLOCKSIZE)) {  in PerformCommandZero()
1328     params.nti.writer = std::make_unique<RangeSinkWriter>(params.fd, tgt);  in PerformCommandNew()
1393       RangeSinkWriter writer(params.fd, tgt);  in PerformCommandDiff()
1442   if (fstat(params.fd, &sb) == -1) {  in PerformCommandErase()
1466       if (!discard_blocks(params.fd, offset, size, true /* force */)) {  in PerformCommandErase()
1538     if (!check_lseek(params.fd, static_cast<off64_t>(begin) * BLOCKSIZE, SEEK_SET)) {  in PerformCommandComputeHashTree()
1544       if (!android::base::ReadFully(params.fd, buffer, BLOCKSIZE)) {  in PerformCommandComputeHashTree()
1570   if (params.canwrite && !builder.WriteHashTreeToFd(params.fd, write_offset)) {  in PerformCommandComputeHashTree()
1698   params.fd.reset(TEMP_FAILURE_RETRY(open(blockdev_filename->data.c_str(), O_RDWR)));  in PerformBlockImageUpdate()
1699   if (params.fd == -1) {  in PerformBlockImageUpdate()
1880       if (fsync(params.fd) == -1) {  in PerformBlockImageUpdate()
1943   if (fsync(params.fd) == -1) {  in PerformBlockImageUpdate()
2082   android::base::unique_fd fd(open(blockdev_filename->data.c_str(), O_RDWR));  in RangeSha1Fn()  local
2083   if (fd == -1) {  in RangeSha1Fn()
2098     if (!check_lseek(fd, static_cast<off64_t>(begin) * BLOCKSIZE, SEEK_SET)) {  in RangeSha1Fn()
2105       if (!android::base::ReadFully(fd, buffer.data(), BLOCKSIZE)) {  in RangeSha1Fn()
2146   android::base::unique_fd fd(open(arg_filename->data.c_str(), O_RDONLY));  in CheckFirstBlockFn()  local
2147   if (fd == -1) {  in CheckFirstBlockFn()
2157   if (ReadBlocks(blk0, &block0_buffer, fd) == -1) {  in CheckFirstBlockFn()