[root@storageqe-62 blktests]# make
make -C src all
make[1]: Entering directory `/mnt/tests/kernel/storage/SSD/nvme_blktest/blktests/src'
g++  -O2 -Wall -Wextra -Wno-sign-compare  -o discontiguous-io discontiguous-io.cpp
discontiguous-io.cpp: In member function ‘void iovec_t::append(void*, size_t)’:
discontiguous-io.cpp:60:3: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
   auto p = m_v.end() - 1;
   ^
discontiguous-io.cpp:60:8: error: ‘p’ does not name a type
   auto p = m_v.end() - 1;
        ^
discontiguous-io.cpp:61:3: error: ‘p’ was not declared in this scope
   p->iov_base = addr;
   ^
discontiguous-io.cpp: In member function ‘size_t iovec_t::data_len() const’:
discontiguous-io.cpp:69:8: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
   for (auto p = m_v.begin(); p != m_v.end(); ++p)
        ^
discontiguous-io.cpp:69:13: error: ‘p’ does not name a type
   for (auto p = m_v.begin(); p != m_v.end(); ++p)
             ^
discontiguous-io.cpp:69:30: error: expected ‘;’ before ‘p’
   for (auto p = m_v.begin(); p != m_v.end(); ++p)
                              ^
discontiguous-io.cpp:69:30: error: ‘p’ was not declared in this scope
discontiguous-io.cpp: In member function ‘void iovec_t::trunc(size_t)’:
discontiguous-io.cpp:75:8: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
   for (auto p = m_v.begin(); p != m_v.end(); ++p) {
        ^
discontiguous-io.cpp:75:13: error: ‘p’ does not name a type
   for (auto p = m_v.begin(); p != m_v.end(); ++p) {
             ^
discontiguous-io.cpp:75:30: error: expected ‘;’ before ‘p’
   for (auto p = m_v.begin(); p != m_v.end(); ++p) {
                              ^
discontiguous-io.cpp:75:30: error: ‘p’ was not declared in this scope
discontiguous-io.cpp: In member function ‘std::ostream& iovec_t::write(std::ostream&) const’:
discontiguous-io.cpp:87:8: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
   for (auto p = m_v.begin(); p != m_v.end(); ++p)
        ^
discontiguous-io.cpp:87:13: error: ‘p’ does not name a type
   for (auto p = m_v.begin(); p != m_v.end(); ++p)
             ^
discontiguous-io.cpp:87:30: error: expected ‘;’ before ‘p’
   for (auto p = m_v.begin(); p != m_v.end(); ++p)
                              ^
discontiguous-io.cpp:87:30: error: ‘p’ was not declared in this scope
discontiguous-io.cpp: In function ‘void dumphex(std::ostream&, const void*, size_t)’:
discontiguous-io.cpp:105:10: error: ‘uintptr_t’ was not declared in this scope
      << (uintptr_t)a + i << ':';
          ^
discontiguous-io.cpp:105:20: error: expected ‘;’ before ‘a’
      << (uintptr_t)a + i << ':';
                    ^
discontiguous-io.cpp:110:22: error: ‘uint8_t’ was not declared in this scope
       << (unsigned)((uint8_t*)a)[j];
                      ^
discontiguous-io.cpp:110:30: error: expected primary-expression before ‘)’ token
       << (unsigned)((uint8_t*)a)[j];
                              ^
discontiguous-io.cpp:110:31: error: expected ‘)’ before ‘a’
       << (unsigned)((uint8_t*)a)[j];
                               ^
discontiguous-io.cpp:114:24: error: ‘uint8_t’ was not declared in this scope
    unsigned char c = ((uint8_t*)a)[j];
                        ^
discontiguous-io.cpp:114:32: error: expected primary-expression before ‘)’ token
    unsigned char c = ((uint8_t*)a)[j];
                                ^
discontiguous-io.cpp:114:33: error: expected ‘)’ before ‘a’
    unsigned char c = ((uint8_t*)a)[j];
                                 ^
discontiguous-io.cpp: At global scope:
discontiguous-io.cpp:101:13: warning: unused parameter ‘a’ [-Wunused-parameter]
 static void dumphex(std::ostream &os, const void *a, size_t len)
             ^
discontiguous-io.cpp:126:51: error: ‘uint32_t’ has not been declared
 static ssize_t sg_read(const file_descriptor &fd, uint32_t lba,
                                                   ^
discontiguous-io.cpp: In function ‘ssize_t sg_read(const file_descriptor&, int, const iovec_t&)’:
discontiguous-io.cpp:143:2: error: ‘uint8_t’ was not declared in this scope
  uint8_t read6[6] = {
  ^
discontiguous-io.cpp:143:10: error: expected ‘;’ before ‘read6’
  uint8_t read6[6] = {
          ^
discontiguous-io.cpp:153:11: error: ‘read6’ was not declared in this scope
  h.cmdp = read6;
           ^
discontiguous-io.cpp:163:54: error: ‘errno’ was not declared in this scope
   std::cerr << "READ(6) ioctl failed with errno " << errno
                                                      ^
discontiguous-io.cpp:167:2: error: ‘uint32_t’ was not declared in this scope
  uint32_t result = h.status | (h.msg_status << 8) |
  ^
discontiguous-io.cpp:167:11: error: expected ‘;’ before ‘result’
  uint32_t result = h.status | (h.msg_status << 8) |
           ^
discontiguous-io.cpp:169:6: error: ‘result’ was not declared in this scope
  if (result) {
      ^
discontiguous-io.cpp: At global scope:
discontiguous-io.cpp:181:52: error: ‘uint32_t’ has not been declared
 static ssize_t sg_write(const file_descriptor &fd, uint32_t lba,
                                                    ^
discontiguous-io.cpp: In function ‘ssize_t sg_write(const file_descriptor&, int, const iovec_t&)’:
discontiguous-io.cpp:208:9: error: ‘errno’ was not declared in this scope
      << errno << '\n';
         ^
discontiguous-io.cpp:217:2: error: ‘uint8_t’ was not declared in this scope
  uint8_t write6[6] = {
  ^
discontiguous-io.cpp:217:10: error: expected ‘;’ before ‘write6’
  uint8_t write6[6] = {
          ^
discontiguous-io.cpp:227:11: error: ‘write6’ was not declared in this scope
  h.cmdp = write6;
           ^
discontiguous-io.cpp:237:55: error: ‘errno’ was not declared in this scope
   std::cerr << "WRITE(6) ioctl failed with errno " << errno
                                                       ^
discontiguous-io.cpp:241:2: error: ‘uint32_t’ was not declared in this scope
  uint32_t result = h.status | (h.msg_status << 8) |
  ^
discontiguous-io.cpp:241:11: error: expected ‘;’ before ‘result’
  uint32_t result = h.status | (h.msg_status << 8) |
           ^
discontiguous-io.cpp:243:6: error: ‘result’ was not declared in this scope
  if (result) {
      ^
discontiguous-io.cpp: In function ‘int main(int, char**)’:
discontiguous-io.cpp:263:2: error: ‘uint32_t’ was not declared in this scope
  uint32_t offs = 0;
  ^
discontiguous-io.cpp:263:11: error: expected ‘;’ before ‘offs’
  uint32_t offs = 0;
           ^
discontiguous-io.cpp:266:14: error: ‘uint8_t’ was not declared in this scope
  std::vector<uint8_t> buf;
              ^
discontiguous-io.cpp:266:21: error: template argument 1 is invalid
  std::vector<uint8_t> buf;
                     ^
discontiguous-io.cpp:266:21: error: template argument 2 is invalid
discontiguous-io.cpp:266:26: error: invalid type in declaration before ‘;’ token
  std::vector<uint8_t> buf;
                          ^
discontiguous-io.cpp:269:48: error: ‘EOF’ was not declared in this scope
  while ((c = getopt(argc, argv, "hl:o:sw")) != EOF) {
                                                ^
discontiguous-io.cpp:271:42: error: ‘strtoul’ was not declared in this scope
   case 'l': len = strtoul(optarg, NULL, 0); break;
                                          ^
discontiguous-io.cpp:272:13: error: ‘offs’ was not declared in this scope
   case 'o': offs = strtoul(optarg, NULL, 0); break;
             ^
discontiguous-io.cpp:285:6: error: request for member ‘resize’ in ‘buf’, which is of non-class type ‘int’
  buf.resize(len);
      ^
discontiguous-io.cpp:297:7: error: ‘offs’ was not declared in this scope
   if (offs % block_size) {
       ^
discontiguous-io.cpp:303:8: error: request for member ‘resize’ in ‘buf’, which is of non-class type ‘int’
    buf.resize(buf.size() * 2);
        ^
discontiguous-io.cpp:303:19: error: request for member ‘size’ in ‘buf’, which is of non-class type ‘int’
    buf.resize(buf.size() * 2);
                   ^
discontiguous-io.cpp:304:29: error: request for member ‘begin’ in ‘buf’, which is of non-class type ‘int’
    unsigned char *p = &*buf.begin();
                             ^
discontiguous-io.cpp:309:21: error: request for member ‘begin’ in ‘buf’, which is of non-class type ‘int’
    iov.append(&*buf.begin(), buf.size());
                     ^
discontiguous-io.cpp:309:34: error: request for member ‘size’ in ‘buf’, which is of non-class type ‘int’
    iov.append(&*buf.begin(), buf.size());
                                  ^
discontiguous-io.cpp:322:31: error: ‘offs’ was not declared in this scope
    ssize_t len = sg_write(fd, offs / block_size, iov);
                               ^
discontiguous-io.cpp:328:30: error: ‘offs’ was not declared in this scope
    ssize_t len = sg_read(fd, offs / block_size, iov);
                              ^
make[1]: *** [discontiguous-io] Error 1
make[1]: Leaving directory `/mnt/tests/kernel/storage/SSD/nvme_blktest/blktests/src'
make: *** [all] Error 2