Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2467 insertions, 0 deletions

diff --git a/src/test/librados/aio_cxx.cc b/src/test/librados/aio_cxx.cc
new file mode 100644
index 000000000..5647bd9c0
--- /dev/null
+++ b/src/test/librados/aio_cxx.cc
@@ -0,0 +1,2467 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <sstream>
+#include <string>
+#include <utility>
+#include <boost/scoped_ptr.hpp>
+#include <fmt/format.h>
+
+#include "gtest/gtest.h"
+
+#include "common/errno.h"
+#include "include/err.h"
+#include "include/rados/librados.hpp"
+#include "include/types.h"
+#include "include/stringify.h"
+#include "include/scope_guard.h"
+#include "common/ceph_mutex.h"
+#include <fmt/format.h>
+
+#include "test_cxx.h"
+#include "crimson_utils.h"
+
+using namespace std;
+using namespace librados;
+
+class AioTestDataPP
+{
+public:
+  AioTestDataPP()
+    : m_init(false),    
+      m_oid("foo")
+  {
+  }
+
+  ~AioTestDataPP()
+  {
+    if (m_init) {
+      m_ioctx.close();
+      destroy_one_pool_pp(m_pool_name, m_cluster);
+    }
+  }
+
+  std::string init()
+  {
+      return init({});
+  }
+
+  std::string init(const std::map<std::string, std::string> &config)
+  {
+    int ret;
+    auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+    m_pool_name = get_temp_pool_name(pool_prefix);
+    std::string err = create_one_pool_pp(m_pool_name, m_cluster, config);
+    if (!err.empty()) {
+      ostringstream oss;
+      oss << "create_one_pool(" << m_pool_name << ") failed: error " << err;
+      return oss.str();
+    }
+    ret = m_cluster.ioctx_create(m_pool_name.c_str(), m_ioctx);
+    if (ret) {
+      destroy_one_pool_pp(m_pool_name, m_cluster);
+      ostringstream oss;
+      oss << "rados_ioctx_create failed: error " << ret;
+      return oss.str();
+    }
+    m_oid = fmt::format("oid_{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+    m_init = true;
+    return "";
+  }
+
+  Rados m_cluster;
+  IoCtx m_ioctx;
+  std::string m_pool_name;
+  bool m_init;
+  std::string m_oid;
+};
+
+TEST(LibRadosAio, TooBigPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+
+  bufferlist bl;
+  auto aio_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(-E2BIG, test_data.m_ioctx.aio_write(test_data.m_oid, aio_completion.get(), bl, UINT_MAX, 0));
+  ASSERT_EQ(-E2BIG, test_data.m_ioctx.aio_append(test_data.m_oid, aio_completion.get(), bl, UINT_MAX));
+  // ioctx.aio_write_full no way to overflow bl.length()
+}
+
+TEST(LibRadosAio, PoolQuotaPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  string p = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ(0, test_data.m_cluster.pool_create(p.c_str()));
+  IoCtx ioctx;
+  ASSERT_EQ(0, test_data.m_cluster.ioctx_create(p.c_str(), ioctx));
+  ioctx.application_enable("rados", true);
+
+  bufferlist inbl;
+  ASSERT_EQ(0, test_data.m_cluster.mon_command(
+      "{\"prefix\": \"osd pool set-quota\", \"pool\": \"" + p +
+      "\", \"field\": \"max_bytes\", \"val\": \"4096\"}",
+      inbl, NULL, NULL));
+
+  bufferlist bl;
+  bufferptr z(4096);
+  bl.append(z);
+  int n;
+  for (n = 0; n < 1024; ++n) {
+    ObjectWriteOperation op;
+    op.write_full(bl);
+    auto completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+    ASSERT_EQ(0, ioctx.aio_operate(test_data.m_oid + stringify(n),
+                                   completion.get(), &op,
+                                   librados::OPERATION_FULL_TRY));
+    completion->wait_for_complete();
+    int r = completion->get_return_value();
+    if (r == -EDQUOT)
+      break;
+    ASSERT_EQ(0, r);
+    sleep(1);
+  }
+  ASSERT_LT(n, 1024);
+
+  // make sure we have latest map that marked the pool full
+  test_data.m_cluster.wait_for_latest_osdmap();
+
+  // make sure we block without FULL_TRY
+  {
+    ObjectWriteOperation op;
+    op.write_full(bl);
+    auto completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+    ASSERT_EQ(0, ioctx.aio_operate("bar", completion.get(), &op, 0));
+    sleep(5);
+    ASSERT_FALSE(completion->is_complete());
+  }
+
+  ioctx.close();
+  ASSERT_EQ(0, test_data.m_cluster.pool_delete(p.c_str()));
+}
+
+TEST(LibRadosAio, SimpleWritePP) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  }
+
+  {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  test_data.m_ioctx.set_namespace("nspace");
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  }
+}
+
+TEST(LibRadosAio, WaitForSafePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  TestAlarm alarm;
+  ASSERT_EQ(0, my_completion->wait_for_complete());
+  ASSERT_EQ(0, my_completion->get_return_value());
+}
+
+TEST(LibRadosAio, RoundTripPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+                                          &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAio, RoundTripPP2) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+   }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+                                          &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+//using ObjectWriteOperation/ObjectReadOperation with iohint
+TEST(LibRadosAio, RoundTripPP3)
+{
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  auto my_completion1 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ObjectWriteOperation op;
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+
+  op.write(0, bl);
+  op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", my_completion1.get(), &op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion1->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion1->get_return_value());
+
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  bl.clear();
+  ObjectReadOperation op1;
+  op1.read(0, sizeof(buf), &bl, NULL);
+  op1.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  bufferlist init_value_bl;
+  encode(static_cast<int32_t>(-1), init_value_bl);
+  bufferlist csum_bl;
+  op1.checksum(LIBRADOS_CHECKSUM_TYPE_CRC32C, init_value_bl,
+	       0, 0, 0, &csum_bl, nullptr);
+  ioctx.aio_operate("test_obj", my_completion2.get(), &op1, 0);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(0, memcmp(buf, bl.c_str(), sizeof(buf)));
+
+  ASSERT_EQ(8U, csum_bl.length());
+  auto csum_bl_it = csum_bl.cbegin();
+  uint32_t csum_count;
+  uint32_t csum;
+  decode(csum_count, csum_bl_it);
+  ASSERT_EQ(1U, csum_count);
+  decode(csum, csum_bl_it);
+  ASSERT_EQ(bl.crc32c(-1), csum);
+  ioctx.remove("test_obj");
+  destroy_one_pool_pp(pool_name, cluster);
+}
+
+TEST(LibRadosAio, RoundTripSparseReadPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+   }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  std::map<uint64_t, uint64_t> extents;
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_sparse_read(test_data.m_oid, my_completion2.get(),
+                                                 &extents, &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  assert_eq_sparse(bl1, extents, bl2);
+}
+
+TEST(LibRadosAioPP, ReadIntoBufferlist) {
+
+  // here we test reading into a non-empty bufferlist referencing existing
+  // buffers
+
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+   }
+  ASSERT_EQ(0, my_completion->get_return_value());
+
+  bufferlist bl2;
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xbb, sizeof(buf2));
+  bl2.append(buffer::create_static(sizeof(buf2), buf2));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+                                          &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(0, memcmp(buf, buf2, sizeof(buf)));
+}
+
+TEST(LibRadosAioPP, XattrsRoundTripPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  ASSERT_EQ(0, test_data.m_ioctx.append(test_data.m_oid, bl1, sizeof(buf)));
+  bufferlist bl2;
+  // async getxattr
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_getxattr(test_data.m_oid, my_completion.get(), attr1, bl2));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(-ENODATA, my_completion->get_return_value());
+  // append
+  bufferlist bl3;
+  bl3.append(attr1_buf, sizeof(attr1_buf));
+  // async setxattr
+  AioTestDataPP test_data2;
+  ASSERT_EQ("", test_data2.init());
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_setxattr(test_data.m_oid, my_completion2.get(), attr1, bl3));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  // async getxattr
+  bufferlist bl4;
+  AioTestDataPP test_data3;
+  ASSERT_EQ("", test_data3.init());
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_getxattr(test_data.m_oid, my_completion3.get(), attr1, bl4));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(attr1_buf), my_completion3->get_return_value());
+  // check content of attribute
+  ASSERT_EQ(0, memcmp(bl4.c_str(), attr1_buf, sizeof(attr1_buf)));
+}
+
+TEST(LibRadosAioPP, RmXattrPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  ASSERT_EQ(0, test_data.m_ioctx.append(test_data.m_oid, bl1, sizeof(buf)));
+  // async setxattr
+  bufferlist bl2;
+  bl2.append(attr1_buf, sizeof(attr1_buf));
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_setxattr(test_data.m_oid, my_completion.get(), attr1, bl2));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  // async rmxattr
+  AioTestDataPP test_data2;
+  ASSERT_EQ("", test_data2.init());
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_rmxattr(test_data.m_oid, my_completion2.get(), attr1));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  // async getxattr
+  AioTestDataPP test_data3;
+  ASSERT_EQ("", test_data3.init());
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  bufferlist bl3;
+  ASSERT_EQ(0, test_data.m_ioctx.aio_getxattr(test_data.m_oid, my_completion3.get(), attr1, bl3));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ(-ENODATA, my_completion3->get_return_value());
+  // Test rmxattr on a removed object
+  char buf2[128];
+  char attr2[] = "attr2";
+  char attr2_buf[] = "foo bar baz";
+  memset(buf2, 0xbb, sizeof(buf2));
+  bufferlist bl21;
+  bl21.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.write("foo_rmxattr", bl21, sizeof(buf2), 0));
+  bufferlist bl22;
+  bl22.append(attr2_buf, sizeof(attr2_buf));
+  // async setxattr
+  AioTestDataPP test_data4;
+  ASSERT_EQ("", test_data4.init());
+  auto my_completion4 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_setxattr("foo_rmxattr", my_completion4.get(), attr2, bl22));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion4->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion4->get_return_value());
+  // remove object
+  ASSERT_EQ(0, test_data.m_ioctx.remove("foo_rmxattr"));
+  // async rmxattr on non existing object
+  AioTestDataPP test_data5;
+  ASSERT_EQ("", test_data5.init());
+  auto my_completion5 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_rmxattr("foo_rmxattr", my_completion5.get(), attr2));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion5->wait_for_complete());
+  }
+  ASSERT_EQ(-ENOENT, my_completion5->get_return_value());
+}
+
+TEST(LibRadosIoPP, XattrListPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  // create an object with 2 attributes
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  char attr2[] = "attr2";
+  char attr2_buf[256];
+  for (size_t j = 0; j < sizeof(attr2_buf); ++j) {
+    attr2_buf[j] = j % 0xff;
+  }
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.append(test_data.m_oid, bl1, sizeof(buf)));
+  bufferlist bl2;
+  bl2.append(attr1_buf, sizeof(attr1_buf));
+  ASSERT_EQ(0, test_data.m_ioctx.setxattr(test_data.m_oid, attr1, bl2));
+  bufferlist bl3;
+  bl3.append(attr2_buf, sizeof(attr2_buf));
+  ASSERT_EQ(0, test_data.m_ioctx.setxattr(test_data.m_oid, attr2, bl3));
+  // call async version of getxattrs
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  std::map<std::string, bufferlist> attrset;
+  ASSERT_EQ(0, test_data.m_ioctx.aio_getxattrs(test_data.m_oid, my_completion.get(), attrset));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  for (std::map<std::string, bufferlist>::iterator i = attrset.begin();
+       i != attrset.end(); ++i) {
+    if (i->first == string(attr1)) {
+      ASSERT_EQ(0, memcmp(i->second.c_str(), attr1_buf, sizeof(attr1_buf)));
+    }
+    else if (i->first == string(attr2)) {
+      ASSERT_EQ(0, memcmp(i->second.c_str(), attr2_buf, sizeof(attr2_buf)));
+    }
+    else {
+      ASSERT_EQ(0, 1);
+    }
+  }
+}
+
+TEST(LibRadosAio, IsCompletePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+                                          &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+
+    // Busy-wait until the AIO completes.
+    // Normally we wouldn't do this, but we want to test is_complete.
+    while (true) {
+      int is_complete = my_completion2->is_complete();
+      if (is_complete)
+	break;
+    }
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAio, IsSafePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+
+    // Busy-wait until the AIO completes.
+    // Normally we wouldn't do this, but we want to test rados_aio_is_safe.
+    while (true) {
+      int is_complete = my_completion->is_complete();
+      if (is_complete)
+	break;
+    }
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  bufferlist bl2;
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+					  &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAio, ReturnValuePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  bufferlist bl1;
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read("nonexistent", my_completion.get(),
+                                          &bl1, 128, 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(-ENOENT, my_completion->get_return_value());
+}
+
+TEST(LibRadosAio, FlushPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xee, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_flush());
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+					  &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAio, FlushAsyncPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  auto flush_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xee, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_flush_async(flush_completion.get()));
+  {
+      TestAlarm alarm;
+      ASSERT_EQ(0, flush_completion->wait_for_complete());
+  }
+  ASSERT_EQ(1, my_completion->is_complete());
+  ASSERT_EQ(1, flush_completion->is_complete());
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+					  &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAio, RoundTripWriteFullPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  char buf2[64];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write_full(test_data.m_oid, my_completion2.get(), bl2));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  bufferlist bl3;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion3.get(),
+					  &bl3, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf2), my_completion3->get_return_value());
+  ASSERT_EQ(sizeof(buf2), bl3.length());
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf2, sizeof(buf2)));
+}
+
+//using ObjectWriteOperation/ObjectReadOperation with iohint
+TEST(LibRadosAio, RoundTripWriteFullPP2)
+{
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  auto my_completion1 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ObjectWriteOperation op;
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf);
+
+  op.write_full(bl);
+  op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", my_completion1.get(), &op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion1->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion1->get_return_value());
+
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  bl.clear();
+  ObjectReadOperation op1;
+  op1.read(0, sizeof(buf), &bl, NULL);
+  op1.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  ioctx.aio_operate("test_obj", my_completion2.get(), &op1, 0);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(0, memcmp(buf, bl.c_str(), sizeof(buf)));
+
+  ioctx.remove("test_obj");
+  destroy_one_pool_pp(pool_name, cluster);
+}
+
+TEST(LibRadosAio, RoundTripWriteSamePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char full[128];
+  memset(full, 0xcc, sizeof(full));
+  bufferlist bl1;
+  bl1.append(full, sizeof(full));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(full), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  /* write the same buf four times */
+  char buf[32];
+  size_t ws_write_len = sizeof(full);
+  memset(buf, 0xdd, sizeof(buf));
+  bufferlist bl2;
+  bl2.append(buf, sizeof(buf));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_writesame(test_data.m_oid, my_completion2.get(), bl2,
+					       ws_write_len, 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  bufferlist bl3;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion3.get(),
+					  &bl3, sizeof(full), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(full), my_completion3->get_return_value());
+  ASSERT_EQ(sizeof(full), bl3.length());
+  for (char *cmp = bl3.c_str(); cmp < bl3.c_str() + bl3.length();
+							cmp += sizeof(buf)) {
+    ASSERT_EQ(0, memcmp(cmp, buf, sizeof(buf)));
+  }
+}
+
+TEST(LibRadosAio, RoundTripWriteSamePP2)
+{
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  auto wr_cmpl = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ObjectWriteOperation op;
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+
+  op.writesame(0, sizeof(buf) * 4, bl);
+  op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", wr_cmpl.get(), &op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, wr_cmpl->wait_for_complete());
+  }
+  EXPECT_EQ(0, wr_cmpl->get_return_value());
+
+  boost::scoped_ptr<AioCompletion>
+			rd_cmpl(cluster.aio_create_completion(0, 0));
+  char *cmp;
+  char full[sizeof(buf) * 4];
+  memset(full, 0, sizeof(full));
+  bufferlist fl;
+  fl.append(full, sizeof(full));
+  ObjectReadOperation op1;
+  op1.read(0, sizeof(full), &fl, NULL);
+  op1.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", rd_cmpl.get(), &op1, 0);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, rd_cmpl->wait_for_complete());
+  }
+  EXPECT_EQ(0, rd_cmpl->get_return_value());
+  for (cmp = fl.c_str(); cmp < fl.c_str() + fl.length(); cmp += sizeof(buf)) {
+    ASSERT_EQ(0, memcmp(cmp, buf, sizeof(buf)));
+  }
+
+  ioctx.remove("test_obj");
+  destroy_one_pool_pp(pool_name, cluster);
+}
+
+TEST(LibRadosAio, SimpleStatPPNS) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  uint64_t psize;
+  time_t pmtime;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion2.get(),
+			  		&psize, &pmtime));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), psize);
+}
+
+TEST(LibRadosAio, SimpleStatPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  uint64_t psize;
+  time_t pmtime;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion2.get(),
+			  		&psize, &pmtime));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), psize);
+}
+
+TEST(LibRadosAio, OperateMtime)
+{
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+
+  time_t set_mtime = 1457129052;
+  {
+    auto c = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+    librados::ObjectWriteOperation op;
+    op.mtime(&set_mtime);
+    op.create(false);
+    ASSERT_EQ(0, test_data.m_ioctx.aio_operate(test_data.m_oid, c.get(), &op));
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, c->wait_for_complete());
+    }
+    ASSERT_EQ(0, c->get_return_value());
+  }
+  {
+    uint64_t size;
+    timespec mtime;
+    ASSERT_EQ(0, test_data.m_ioctx.stat2(test_data.m_oid, &size, &mtime));
+    EXPECT_EQ(0, size);
+    EXPECT_EQ(set_mtime, mtime.tv_sec);
+    EXPECT_EQ(0, mtime.tv_nsec);
+  }
+}
+
+TEST(LibRadosAio, OperateMtime2)
+{
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+
+  timespec set_mtime{1457129052, 123456789};
+  {
+    auto c = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+    librados::ObjectWriteOperation op;
+    op.mtime2(&set_mtime);
+    op.create(false);
+    ASSERT_EQ(0, test_data.m_ioctx.aio_operate(test_data.m_oid, c.get(), &op));
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, c->wait_for_complete());
+    }
+    ASSERT_EQ(0, c->get_return_value());
+  }
+  {
+    uint64_t size;
+    timespec mtime;
+    ASSERT_EQ(0, test_data.m_ioctx.stat2(test_data.m_oid, &size, &mtime));
+    EXPECT_EQ(0, size);
+    EXPECT_EQ(set_mtime.tv_sec, mtime.tv_sec);
+    EXPECT_EQ(set_mtime.tv_nsec, mtime.tv_nsec);
+  }
+}
+
+TEST(LibRadosAio, StatRemovePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  uint64_t psize;
+  time_t pmtime;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion2.get(),
+			  		&psize, &pmtime));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), psize);
+  uint64_t psize2;
+  time_t pmtime2;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_remove(test_data.m_oid, my_completion3.get()));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion3->get_return_value());
+
+  auto my_completion4 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion4);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion4.get(),
+			  		&psize2, &pmtime2));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion4->wait_for_complete());
+  }
+  ASSERT_EQ(-ENOENT, my_completion4->get_return_value());
+}
+
+TEST(LibRadosAio, ExecuteClassPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  bufferlist in, out;
+  ASSERT_EQ(0, test_data.m_ioctx.aio_exec(test_data.m_oid, my_completion2.get(),
+					  "hello", "say_hello", in, &out));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(std::string("Hello, world!"), std::string(out.c_str(), out.length()));
+}
+
+using std::string;
+using std::map;
+using std::set;
+
+TEST(LibRadosAio, OmapPP) {
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  string header_str = "baz";
+  bufferptr bp(header_str.c_str(), header_str.size() + 1);
+  bufferlist header_to_set;
+  header_to_set.push_back(bp);
+  map<string, bufferlist> to_set;
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectWriteOperation op;
+    to_set["foo"] = header_to_set;
+    to_set["foo2"] = header_to_set;
+    to_set["qfoo3"] = header_to_set;
+    op.omap_set(to_set);
+
+    op.omap_set_header(header_to_set);
+
+    ioctx.aio_operate("test_obj", my_completion.get(), &op);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+  }
+
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectReadOperation op;
+    map<string, pair<bufferlist, int> > assertions;
+    bufferlist val;
+    val.append(string("bar"));
+    assertions["foo"] = pair<bufferlist, int>(val, CEPH_OSD_CMPXATTR_OP_EQ);
+
+    int r;
+    op.omap_cmp(assertions, &r);
+
+    ioctx.aio_operate("test_obj", my_completion.get(), &op, 0);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(-ECANCELED, my_completion->get_return_value());
+    ASSERT_EQ(-ECANCELED, r);
+  }
+
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectReadOperation op;
+
+    set<string> set_got;
+    map<string, bufferlist> map_got;
+
+    set<string> to_get;
+    map<string, bufferlist> got3;
+
+    map<string, bufferlist> got4;
+
+    bufferlist header;
+
+    op.omap_get_keys2("", 1, &set_got, nullptr, 0);
+    op.omap_get_vals2("foo", 1, &map_got, nullptr, 0);
+
+    to_get.insert("foo");
+    to_get.insert("qfoo3");
+    op.omap_get_vals_by_keys(to_get, &got3, 0);
+
+    op.omap_get_header(&header, 0);
+
+    op.omap_get_vals2("foo2", "q", 1, &got4, nullptr, 0);
+
+    ioctx.aio_operate("test_obj", my_completion.get(), &op, 0);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+
+    ASSERT_EQ(header.length(), header_to_set.length());
+    ASSERT_EQ(set_got.size(), (unsigned)1);
+    ASSERT_EQ(*set_got.begin(), "foo");
+    ASSERT_EQ(map_got.size(), (unsigned)1);
+    ASSERT_EQ(map_got.begin()->first, "foo2");
+    ASSERT_EQ(got3.size(), (unsigned)2);
+    ASSERT_EQ(got3.begin()->first, "foo");
+    ASSERT_EQ(got3.rbegin()->first, "qfoo3");
+    ASSERT_EQ(got4.size(), (unsigned)1);
+    ASSERT_EQ(got4.begin()->first, "qfoo3");
+  }
+
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectWriteOperation op;
+    set<string> to_remove;
+    to_remove.insert("foo2");
+    op.omap_rm_keys(to_remove);
+    ioctx.aio_operate("test_obj", my_completion.get(), &op);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+  }
+
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectReadOperation op;
+
+    set<string> set_got;
+    op.omap_get_keys2("", -1, &set_got, nullptr, 0);
+    ioctx.aio_operate("test_obj", my_completion.get(), &op, 0);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+    ASSERT_EQ(set_got.size(), (unsigned)2);
+  }
+
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectWriteOperation op;
+    op.omap_clear();
+    ioctx.aio_operate("test_obj", my_completion.get(), &op);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+  }
+
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectReadOperation op;
+
+    set<string> set_got;
+    op.omap_get_keys2("", -1, &set_got, nullptr, 0);
+    ioctx.aio_operate("test_obj", my_completion.get(), &op, 0);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+    ASSERT_EQ(set_got.size(), (unsigned)0);
+  }
+
+  // omap_clear clears header *and* keys
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectWriteOperation op;
+    bufferlist bl;
+    bl.append("some data");
+    map<string,bufferlist> to_set;
+    to_set["foo"] = bl;
+    to_set["foo2"] = bl;
+    to_set["qfoo3"] = bl;
+    op.omap_set(to_set);
+    op.omap_set_header(bl);
+    ioctx.aio_operate("foo3", my_completion.get(), &op);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+  }
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectWriteOperation op;
+    op.omap_clear();
+    ioctx.aio_operate("foo3", my_completion.get(), &op);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+  }
+  {
+    boost::scoped_ptr<AioCompletion> my_completion(cluster.aio_create_completion(0, 0));
+    ObjectReadOperation op;
+    set<string> set_got;
+    bufferlist hdr;
+    op.omap_get_keys2("", -1, &set_got, nullptr, 0);
+    op.omap_get_header(&hdr, NULL);
+    ioctx.aio_operate("foo3", my_completion.get(), &op, 0);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(0, my_completion->get_return_value());
+    ASSERT_EQ(set_got.size(), (unsigned)0);
+    ASSERT_EQ(hdr.length(), 0u);
+  }
+
+  ioctx.remove("test_obj");
+  destroy_one_pool_pp(pool_name, cluster);
+}
+
+TEST(LibRadosAio, MultiWritePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+
+  char buf2[64];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion2.get(),
+					   bl2, sizeof(buf2), sizeof(buf)));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+
+  bufferlist bl3;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion3.get(),
+					  &bl3, (sizeof(buf) + sizeof(buf2) * 3), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ((int)(sizeof(buf) + sizeof(buf2)), my_completion3->get_return_value());
+  ASSERT_EQ(sizeof(buf) + sizeof(buf2), bl3.length());
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, sizeof(buf)));
+  ASSERT_EQ(0, memcmp(bl3.c_str() + sizeof(buf), buf2, sizeof(buf2)));
+}
+
+TEST(LibRadosAio, AioUnlockPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  ASSERT_EQ(0, test_data.m_ioctx.lock_exclusive(test_data.m_oid, "TestLock", "Cookie", "", NULL, 0));
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_unlock(test_data.m_oid, "TestLock", "Cookie", my_completion.get()));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  ASSERT_EQ(0, test_data.m_ioctx.lock_exclusive(test_data.m_oid, "TestLock", "Cookie", "", NULL, 0));
+}
+
+class AioTestDataECPP
+{
+public:
+  AioTestDataECPP()
+    : m_init(false),
+      m_oid("foo")
+  {}
+
+  ~AioTestDataECPP()
+  {
+    if (m_init) {
+      m_ioctx.close();
+      destroy_one_ec_pool_pp(m_pool_name, m_cluster);
+    }
+  }
+
+  std::string init()
+  {
+    int ret;
+    auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+    m_pool_name = get_temp_pool_name(pool_prefix);
+    std::string err = create_one_ec_pool_pp(m_pool_name, m_cluster);
+    if (!err.empty()) {
+      ostringstream oss;
+      oss << "create_one_ec_pool(" << m_pool_name << ") failed: error " << err;
+      return oss.str();
+    }
+    ret = m_cluster.ioctx_create(m_pool_name.c_str(), m_ioctx);
+    if (ret) {
+      destroy_one_ec_pool_pp(m_pool_name, m_cluster);
+      ostringstream oss;
+      oss << "rados_ioctx_create failed: error " << ret;
+      return oss.str();
+    }
+    m_oid = fmt::format("oid_{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+    m_init = true;
+    return "";
+  }
+
+  Rados m_cluster;
+  IoCtx m_ioctx;
+  std::string m_pool_name;
+  bool m_init;
+  std::string m_oid;
+};
+
+// EC test cases
+TEST(LibRadosAioEC, SimpleWritePP) {
+  SKIP_IF_CRIMSON();
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  {
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  }
+
+  {
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  test_data.m_ioctx.set_namespace("nspace");
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  }
+}
+
+TEST(LibRadosAioEC, WaitForSafePP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  TestAlarm alarm;
+  ASSERT_EQ(0, my_completion->wait_for_complete());
+  ASSERT_EQ(0, my_completion->get_return_value());
+}
+
+TEST(LibRadosAioEC, RoundTripPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+                                          &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAioEC, RoundTripPP2) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+                                          &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+//using ObjectWriteOperation/ObjectReadOperation with iohint
+TEST(LibRadosAioEC, RoundTripPP3)
+{
+  SKIP_IF_CRIMSON();
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  auto my_completion1 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};;
+  ObjectWriteOperation op;
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf);
+
+  op.write(0, bl);
+  op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", my_completion1.get(), &op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion1->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion1->get_return_value());
+
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  bl.clear();
+  ObjectReadOperation op1;
+  op1.read(0, sizeof(buf), &bl, NULL);
+  op1.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  ioctx.aio_operate("test_obj", my_completion2.get(), &op1, 0);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(0, memcmp(buf, bl.c_str(), sizeof(buf)));
+
+  ioctx.remove("test_obj");
+  destroy_one_pool_pp(pool_name, cluster);
+}
+
+TEST(LibRadosAio, RoundTripAppendPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_append(test_data.m_oid, my_completion.get(),
+					    bl1, sizeof(buf)));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  char buf2[128];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_append(test_data.m_oid, my_completion2.get(),
+					    bl2, sizeof(buf2)));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  bufferlist bl3;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion3.get(),
+                                          &bl3, 2 * sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ((int)(sizeof(buf) * 2), my_completion3->get_return_value());
+  ASSERT_EQ(sizeof(buf) * 2, bl3.length());
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, sizeof(buf)));
+  ASSERT_EQ(0, memcmp(bl3.c_str() + sizeof(buf), buf2, sizeof(buf2)));
+}
+
+TEST(LibRadosAioPP, RemoveTestPP) {
+  char buf[128];
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  ASSERT_EQ(0, test_data.m_ioctx.append(test_data.m_oid, bl1, sizeof(buf)));
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_remove(test_data.m_oid, my_completion.get()));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  ASSERT_EQ(-ENOENT, test_data.m_ioctx.read(test_data.m_oid, bl2, sizeof(buf), 0));
+}
+
+TEST(LibRadosAioEC, RoundTripSparseReadPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+
+  map<uint64_t, uint64_t> extents;
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_sparse_read(test_data.m_oid, my_completion2.get(),
+                                                 &extents, &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  assert_eq_sparse(bl1, extents, bl2);
+}
+
+TEST(LibRadosAioEC, RoundTripAppendPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  bool req;
+  ASSERT_EQ(0, test_data.m_ioctx.pool_requires_alignment2(&req));
+  ASSERT_TRUE(req);
+  uint64_t alignment;
+  ASSERT_EQ(0, test_data.m_ioctx.pool_required_alignment2(&alignment));
+  ASSERT_NE((unsigned)0, alignment);
+  int bsize = alignment;
+  char *buf = (char *)new char[bsize];
+  memset(buf, 0xcc, bsize);
+  bufferlist bl1;
+  bl1.append(buf, bsize);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_append(test_data.m_oid, my_completion.get(),
+					    bl1, bsize));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+
+  int hbsize = bsize / 2;
+  char *buf2 = (char *)new char[hbsize];
+  memset(buf2, 0xdd, hbsize);
+  bufferlist bl2;
+  bl2.append(buf2, hbsize);
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_append(test_data.m_oid, my_completion2.get(),
+					    bl2, hbsize));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_append(test_data.m_oid, my_completion3.get(),
+					    bl2, hbsize));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  EXPECT_EQ(-EOPNOTSUPP, my_completion3->get_return_value());
+
+  bufferlist bl3;
+  auto my_completion4 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion4);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion4.get(),
+                                          &bl3, bsize * 3, 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion4->wait_for_complete());
+  }
+  int tbsize = bsize + hbsize;
+  ASSERT_EQ(tbsize, my_completion4->get_return_value());
+  ASSERT_EQ((unsigned)tbsize, bl3.length());
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, bsize));
+  ASSERT_EQ(0, memcmp(bl3.c_str() + bsize, buf2, hbsize));
+  delete[] buf;
+  delete[] buf2;
+}
+
+TEST(LibRadosAioEC, IsCompletePP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+					  &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+
+    // Busy-wait until the AIO completes.
+    // Normally we wouldn't do this, but we want to test is_complete.
+    while (true) {
+      int is_complete = my_completion2->is_complete();
+      if (is_complete)
+	break;
+    }
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+TEST(LibRadosAioEC, IsSafePP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+
+    // Busy-wait until the AIO completes.
+    // Normally we wouldn't do this, but we want to test rados_aio_is_safe.
+    while (true) {
+      int is_complete = my_completion->is_complete();
+      if (is_complete)
+	break;
+    }
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  bufferlist bl2;
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+					  &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAioEC, ReturnValuePP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  bufferlist bl1;
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read("nonexistent", my_completion.get(),
+                                          &bl1, 128, 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(-ENOENT, my_completion->get_return_value());
+}
+
+TEST(LibRadosAioEC, FlushPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xee, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_flush());
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+					  &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAioEC, FlushAsyncPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  auto flush_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xee, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_flush_async(flush_completion.get()));
+  {
+      TestAlarm alarm;
+      ASSERT_EQ(0, flush_completion->wait_for_complete());
+  }
+  ASSERT_EQ(1, my_completion->is_complete());
+  ASSERT_EQ(1, flush_completion->is_complete());
+  ASSERT_EQ(0, my_completion->get_return_value());
+  bufferlist bl2;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion2.get(),
+					  &bl2, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl2.length());
+  ASSERT_EQ(0, memcmp(buf, bl2.c_str(), sizeof(buf)));
+}
+
+TEST(LibRadosAioEC, RoundTripWriteFullPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  char buf2[64];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write_full(test_data.m_oid, my_completion2.get(), bl2));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  bufferlist bl3;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion3.get(),
+					  &bl3, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf2), my_completion3->get_return_value());
+  ASSERT_EQ(sizeof(buf2), bl3.length());
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf2, sizeof(buf2)));
+}
+
+//using ObjectWriteOperation/ObjectReadOperation with iohint
+TEST(LibRadosAioEC, RoundTripWriteFullPP2)
+{
+  SKIP_IF_CRIMSON();
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  auto my_completion1 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ObjectWriteOperation op;
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf);
+
+  op.write_full(bl);
+  op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_NOCACHE);
+  ioctx.aio_operate("test_obj", my_completion1.get(), &op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion1->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion1->get_return_value());
+
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  bl.clear();
+  ObjectReadOperation op1;
+  op1.read(0, sizeof(buf), &bl, NULL);
+  op1.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_NOCACHE|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  ioctx.aio_operate("test_obj", my_completion2.get(), &op1, 0);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  EXPECT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(0, memcmp(buf, bl.c_str(), sizeof(buf)));
+
+  ioctx.remove("test_obj");
+  destroy_one_pool_pp(pool_name, cluster);
+}
+
+TEST(LibRadosAioEC, SimpleStatPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  uint64_t psize;
+  time_t pmtime;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion2.get(),
+			  		&psize, &pmtime));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), psize);
+}
+
+TEST(LibRadosAioEC, SimpleStatPPNS) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  uint64_t psize;
+  time_t pmtime;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion2.get(),
+			  		&psize, &pmtime));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), psize);
+}
+
+TEST(LibRadosAioEC, StatRemovePP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  uint64_t psize;
+  time_t pmtime;
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion2.get(),
+			  		&psize, &pmtime));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(sizeof(buf), psize);
+  uint64_t psize2;
+  time_t pmtime2;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_remove(test_data.m_oid, my_completion3.get()));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion3->get_return_value());
+
+  auto my_completion4 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion4);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_stat(test_data.m_oid, my_completion4.get(),
+			  		&psize2, &pmtime2));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion4->wait_for_complete());
+  }
+  ASSERT_EQ(-ENOENT, my_completion4->get_return_value());
+}
+
+TEST(LibRadosAioEC, ExecuteClassPP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  bufferlist in, out;
+  ASSERT_EQ(0, test_data.m_ioctx.aio_exec(test_data.m_oid, my_completion2.get(),
+					  "hello", "say_hello", in, &out));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+  ASSERT_EQ(std::string("Hello, world!"), std::string(out.c_str(), out.length()));
+}
+
+TEST(LibRadosAioEC, OmapPP) {
+  SKIP_IF_CRIMSON();
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_ec_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  string header_str = "baz";
+  bufferptr bp(header_str.c_str(), header_str.size() + 1);
+  bufferlist header_to_set;
+  header_to_set.push_back(bp);
+  map<string, bufferlist> to_set;
+  {
+    auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+    ObjectWriteOperation op;
+    to_set["foo"] = header_to_set;
+    to_set["foo2"] = header_to_set;
+    to_set["qfoo3"] = header_to_set;
+    op.omap_set(to_set);
+
+    op.omap_set_header(header_to_set);
+
+    ioctx.aio_operate("test_obj", my_completion.get(), &op);
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, my_completion->wait_for_complete());
+    }
+    EXPECT_EQ(-EOPNOTSUPP, my_completion->get_return_value());
+  }
+  ioctx.remove("test_obj");
+  destroy_one_ec_pool_pp(pool_name, cluster);
+}
+
+TEST(LibRadosAioEC, MultiWritePP) {
+  SKIP_IF_CRIMSON();
+  AioTestDataECPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+
+  char buf2[64];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion2.get(),
+					   bl2, sizeof(buf2), sizeof(buf)));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(-EOPNOTSUPP, my_completion2->get_return_value());
+
+  bufferlist bl3;
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion3);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_read(test_data.m_oid, my_completion3.get(),
+					  &bl3, (sizeof(buf) + sizeof(buf2) * 3), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ((int)sizeof(buf), my_completion3->get_return_value());
+  ASSERT_EQ(sizeof(buf), bl3.length());
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, sizeof(buf)));
+
+}
+
+TEST(LibRadosAio, RacingRemovePP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init({{"objecter_retry_writes_after_first_reply", "true"}}));
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion2);
+  ASSERT_EQ(0, test_data.m_ioctx.aio_remove(test_data.m_oid, my_completion2.get()));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+                                         bl, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    my_completion2->wait_for_complete();
+    my_completion->wait_for_complete();
+  }
+  ASSERT_EQ(-ENOENT, my_completion2->get_return_value());
+  ASSERT_EQ(0, my_completion->get_return_value());
+  ASSERT_EQ(0, test_data.m_ioctx.stat(test_data.m_oid, nullptr, nullptr));
+}
+
+TEST(LibRadosAio, RoundTripCmpExtPP) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char full[128];
+  memset(full, 0xcc, sizeof(full));
+  bufferlist bl1;
+  bl1.append(full, sizeof(full));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write(test_data.m_oid, my_completion.get(),
+					   bl1, sizeof(full), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+
+  /* compare with match */
+  bufferlist cbl;
+  cbl.append(full, sizeof(full));
+  auto my_completion2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_cmpext(test_data.m_oid, my_completion2.get(), 0, cbl));
+
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion2->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion2->get_return_value());
+
+  /* compare with mismatch */
+  memset(full, 0xdd, sizeof(full));
+  cbl.clear();
+  cbl.append(full, sizeof(full));
+  auto my_completion3 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_EQ(0, test_data.m_ioctx.aio_cmpext(test_data.m_oid, my_completion3.get(), 0, cbl));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion3->wait_for_complete());
+  }
+  ASSERT_EQ(-MAX_ERRNO, my_completion3->get_return_value());
+}
+
+TEST(LibRadosAio, RoundTripCmpExtPP2)
+{
+  int ret;
+  char buf[128];
+  char miscmp_buf[128];
+  bufferlist cbl;
+  Rados cluster;
+  auto pool_prefix = fmt::format("{}_", ::testing::UnitTest::GetInstance()->current_test_info()->name());
+  std::string pool_name = get_temp_pool_name(pool_prefix);
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  auto wr_cmpl = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ObjectWriteOperation wr_op;
+  memset(buf, 0xcc, sizeof(buf));
+  memset(miscmp_buf, 0xdd, sizeof(miscmp_buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+
+  wr_op.write_full(bl);
+  wr_op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", wr_cmpl.get(), &wr_op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, wr_cmpl->wait_for_complete());
+  }
+  EXPECT_EQ(0, wr_cmpl->get_return_value());
+
+  /* cmpext as write op. first match then mismatch */
+  auto wr_cmpext_cmpl = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  cbl.append(buf, sizeof(buf));
+  ret = 0;
+
+  wr_op.cmpext(0, cbl, &ret);
+  wr_op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", wr_cmpext_cmpl.get(), &wr_op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, wr_cmpext_cmpl->wait_for_complete());
+  }
+  EXPECT_EQ(0, wr_cmpext_cmpl->get_return_value());
+  EXPECT_EQ(0, ret);
+
+  auto wr_cmpext_cmpl2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  cbl.clear();
+  cbl.append(miscmp_buf, sizeof(miscmp_buf));
+  ret = 0;
+
+  wr_op.cmpext(0, cbl, &ret);
+  wr_op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", wr_cmpext_cmpl2.get(), &wr_op);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, wr_cmpext_cmpl2->wait_for_complete());
+  }
+  EXPECT_EQ(-MAX_ERRNO, wr_cmpext_cmpl2->get_return_value());
+  EXPECT_EQ(-MAX_ERRNO, ret);
+
+  /* cmpext as read op */
+  auto rd_cmpext_cmpl = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ObjectReadOperation rd_op;
+  cbl.clear();
+  cbl.append(buf, sizeof(buf));
+  ret = 0;
+  rd_op.cmpext(0, cbl, &ret);
+  rd_op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", rd_cmpext_cmpl.get(), &rd_op, 0);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, rd_cmpext_cmpl->wait_for_complete());
+  }
+  EXPECT_EQ(0, rd_cmpext_cmpl->get_return_value());
+  EXPECT_EQ(0, ret);
+
+  auto rd_cmpext_cmpl2 = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  cbl.clear();
+  cbl.append(miscmp_buf, sizeof(miscmp_buf));
+  ret = 0;
+
+  rd_op.cmpext(0, cbl, &ret);
+  rd_op.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ioctx.aio_operate("test_obj", rd_cmpext_cmpl2.get(), &rd_op, 0);
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, rd_cmpext_cmpl2->wait_for_complete());
+  }
+  EXPECT_EQ(-MAX_ERRNO, rd_cmpext_cmpl2->get_return_value());
+  EXPECT_EQ(-MAX_ERRNO, ret);
+
+  ioctx.remove("test_obj");
+  destroy_one_pool_pp(pool_name, cluster);
+}
+
+ceph::mutex my_lock = ceph::make_mutex("my_lock");
+set<unsigned> inflight;
+unsigned max_success = 0;
+unsigned min_failed = 0;
+
+struct io_info {
+  unsigned i;
+  AioCompletion *c;
+};
+
+void pool_io_callback(completion_t cb, void *arg /* Actually AioCompletion* */)
+{
+  io_info *info = (io_info *)arg;
+  unsigned long i = info->i;
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, info->c->wait_for_complete());
+  }
+  int r = info->c->get_return_value();
+  //cout << "finish " << i << " r = " << r << std::endl;
+
+  std::scoped_lock l(my_lock);
+  inflight.erase(i);
+  if (r == 0) {
+    if (i > max_success) {
+      max_success = i;
+    }
+  } else {
+    if (!min_failed || i < min_failed) {
+      min_failed = i;
+    }
+  }
+}
+
+TEST(LibRadosAio, PoolEIOFlag) {
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+
+  bufferlist bl;
+  bl.append("some data");
+  std::thread *t = nullptr;
+  
+  unsigned max = 100;
+  unsigned timeout = max * 10;
+  unsigned long i = 1;
+  my_lock.lock();
+  for (; min_failed == 0 && i <= timeout; ++i) {
+    io_info *info = new io_info;
+    info->i = i;
+    info->c = Rados::aio_create_completion();
+    info->c->set_complete_callback((void*)info, pool_io_callback);
+    inflight.insert(i);
+    my_lock.unlock();
+    int r = test_data.m_ioctx.aio_write(test_data.m_oid, info->c, bl, bl.length(), 0);
+    //cout << "start " << i << " r = " << r << std::endl;
+
+    if (i == max / 2) {
+      cout << "setting pool EIO" << std::endl;
+      t = new std::thread(
+	[&] {
+	  bufferlist empty;
+	  ASSERT_EQ(0, test_data.m_cluster.mon_command(
+	    fmt::format(R"({{
+	                "prefix": "osd pool set",
+	                "pool": "{}",
+	                "var": "eio",
+	                "val": "true"
+	                }})", test_data.m_pool_name),
+	    empty, nullptr, nullptr));
+	});
+    }
+
+    std::this_thread::sleep_for(10ms);
+    my_lock.lock();
+    if (r < 0) {
+      inflight.erase(i);
+      break;
+    }
+  }
+  t->join();
+  delete t;
+
+  // wait for ios to finish
+  for (; !inflight.empty(); ++i) {
+    cout << "waiting for " << inflight.size() << std::endl;
+    my_lock.unlock();
+    sleep(1);
+    my_lock.lock();
+  }
+
+  cout << "max_success " << max_success << ", min_failed " << min_failed << std::endl;
+  ASSERT_TRUE(max_success + 1 == min_failed);
+  my_lock.unlock();
+}
+
+// This test case reproduces https://tracker.ceph.com/issues/57152
+TEST(LibRadosAio, MultiReads) {
+
+  // here we test multithreaded aio reads
+
+  AioTestDataPP test_data;
+  ASSERT_EQ("", test_data.init());
+  auto my_completion = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+  ASSERT_TRUE(my_completion);
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, test_data.m_ioctx.aio_write("foo", my_completion.get(),
+                                           bl1, sizeof(buf), 0));
+  {
+    TestAlarm alarm;
+    ASSERT_EQ(0, my_completion->wait_for_complete());
+  }
+  ASSERT_EQ(0, my_completion->get_return_value());
+
+  // Don't use std::vector to store bufferlists (e.g for parallelizing aio_reads),
+  // as they are being moved whenever the vector resizes
+  // and will cause invalidated references.
+  std::deque<std::pair<bufferlist, std::unique_ptr<AioCompletion>>> reads;
+  for (int i = 0; i < 100; i++) {
+    // std::deque is appropriate here as emplace_back() is obliged to
+    // preserve the referenced inserted element. (Unlike insert() or erase())
+    auto& [bl, aiocp] = reads.emplace_back();
+    aiocp = std::unique_ptr<AioCompletion>{Rados::aio_create_completion()};
+    ASSERT_TRUE(aiocp);
+    ASSERT_EQ(0, test_data.m_ioctx.aio_read("foo", aiocp.get(),
+                                            &bl, sizeof(buf), 0));
+  }
+  for (auto& [bl, aiocp] : reads) {
+    {
+      TestAlarm alarm;
+      ASSERT_EQ(0, aiocp->wait_for_complete());
+    }
+    ASSERT_EQ((int)sizeof(buf), aiocp->get_return_value());
+    ASSERT_EQ(0, memcmp(buf, bl.c_str(), sizeof(buf)));
+  }
+}