X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Flibrados%2Fsnapshots.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Flibrados%2Fsnapshots.cc;h=60e6663503ed9c6ffe1e144626baa377a2616821;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/test/librados/snapshots.cc b/src/ceph/src/test/librados/snapshots.cc
new file mode 100644
index 0000000..60e6663
--- /dev/null
+++ b/src/ceph/src/test/librados/snapshots.cc
@@ -0,0 +1,920 @@
+#include "include/rados/librados.hpp"
+#include "test/librados/test.h"
+#include "test/librados/TestCase.h"
+
+#include <algorithm>
+#include <errno.h>
+#include "gtest/gtest.h"
+#include <string>
+
+using namespace librados;
+using std::string;
+
+typedef RadosTest LibRadosSnapshots;
+typedef RadosTest LibRadosSnapshotsSelfManaged;
+typedef RadosTestPP LibRadosSnapshotsPP;
+typedef RadosTestPP LibRadosSnapshotsSelfManagedPP;
+typedef RadosTestEC LibRadosSnapshotsEC;
+typedef RadosTestEC LibRadosSnapshotsSelfManagedEC;
+typedef RadosTestECPP LibRadosSnapshotsECPP;
+typedef RadosTestECPP LibRadosSnapshotsSelfManagedECPP;
+
+const int bufsize = 128;
+
+TEST_F(LibRadosSnapshots, SnapList) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+  rados_snap_t snaps[10];
+  EXPECT_EQ(1, rados_ioctx_snap_list(ioctx, snaps,
+				     sizeof(snaps) / sizeof(snaps[0])));
+  rados_snap_t rid;
+  EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+  EXPECT_EQ(rid, snaps[0]);
+  EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshotsPP, SnapListPP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_FALSE(cluster.get_pool_is_selfmanaged_snaps_mode(pool_name));
+  ASSERT_EQ(0, ioctx.snap_create("snap1"));
+  ASSERT_FALSE(cluster.get_pool_is_selfmanaged_snaps_mode(pool_name));
+  std::vector<snap_t> snaps;
+  EXPECT_EQ(0, ioctx.snap_list(&snaps));
+  EXPECT_EQ(1U, snaps.size());
+  snap_t rid;
+  EXPECT_EQ(0, ioctx.snap_lookup("snap1", &rid));
+  EXPECT_EQ(rid, snaps[0]);
+  EXPECT_EQ(0, ioctx.snap_remove("snap1"));
+  ASSERT_FALSE(cluster.get_pool_is_selfmanaged_snaps_mode(pool_name));
+}
+
+TEST_F(LibRadosSnapshots, SnapRemove) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+  rados_snap_t rid;
+  ASSERT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+  ASSERT_EQ(-EEXIST, rados_ioctx_snap_create(ioctx, "snap1"));
+  ASSERT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+  ASSERT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+}
+
+TEST_F(LibRadosSnapshotsPP, SnapRemovePP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snap1"));
+  rados_snap_t rid;
+  ASSERT_EQ(0, ioctx.snap_lookup("snap1", &rid));
+  ASSERT_EQ(0, ioctx.snap_remove("snap1"));
+  ASSERT_EQ(-ENOENT, ioctx.snap_lookup("snap1", &rid));
+}
+
+TEST_F(LibRadosSnapshots, Rollback) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  EXPECT_EQ(0, rados_write_full(ioctx, "foo", buf2, sizeof(buf2)));
+  EXPECT_EQ(0, rados_ioctx_snap_rollback(ioctx, "foo", "snap1"));
+  char buf3[sizeof(buf)];
+  EXPECT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  EXPECT_EQ(0, memcmp(buf, buf3, sizeof(buf)));
+  EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshotsPP, RollbackPP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snap1"));
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  EXPECT_EQ(0, ioctx.write_full("foo", bl2));
+  EXPECT_EQ(0, ioctx.snap_rollback("foo", "snap1"));
+  bufferlist bl3;
+  EXPECT_EQ((int)sizeof(buf), ioctx.read("foo", bl3, sizeof(buf), 0));
+  EXPECT_EQ(0, memcmp(buf, bl3.c_str(), sizeof(buf)));
+  EXPECT_EQ(0, ioctx.snap_remove("snap1"));
+}
+
+TEST_F(LibRadosSnapshots, SnapGetName) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snapfoo"));
+  rados_snap_t rid;
+  EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snapfoo", &rid));
+  EXPECT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snapbar", &rid));
+  char name[128];
+  memset(name, 0, sizeof(name));
+  EXPECT_EQ(0, rados_ioctx_snap_get_name(ioctx, rid, name, sizeof(name)));
+  time_t snaptime;
+  EXPECT_EQ(0, rados_ioctx_snap_get_stamp(ioctx, rid, &snaptime));
+  EXPECT_EQ(0, strcmp(name, "snapfoo"));
+  EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snapfoo"));
+}
+
+TEST_F(LibRadosSnapshotsPP, SnapGetNamePP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snapfoo"));
+  rados_snap_t rid;
+  EXPECT_EQ(0, ioctx.snap_lookup("snapfoo", &rid));
+  EXPECT_EQ(-ENOENT, ioctx.snap_lookup("snapbar", &rid));
+  std::string name;
+  EXPECT_EQ(0, ioctx.snap_get_name(rid, &name));
+  time_t snaptime;
+  EXPECT_EQ(0, ioctx.snap_get_stamp(rid, &snaptime));
+  EXPECT_EQ(0, strcmp(name.c_str(), "snapfoo"));
+  EXPECT_EQ(0, ioctx.snap_remove("snapfoo"));
+}
+
+TEST_F(LibRadosSnapshotsPP, SnapCreateRemovePP) {
+  // reproduces http://tracker.ceph.com/issues/10262
+  bufferlist bl;
+  bl.append("foo");
+  ASSERT_EQ(0, ioctx.write("foo", bl, bl.length(), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snapfoo"));
+  ASSERT_EQ(0, ioctx.remove("foo"));
+  ASSERT_EQ(0, ioctx.snap_create("snapbar"));
+
+  std::unique_ptr<librados::ObjectWriteOperation> op(new librados::ObjectWriteOperation());
+  op->create(false);
+  op->remove();
+  ASSERT_EQ(0, ioctx.operate("foo", op.get()));
+
+  EXPECT_EQ(0, ioctx.snap_remove("snapfoo"));
+  EXPECT_EQ(0, ioctx.snap_remove("snapbar"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManaged, Snap) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+
+  my_snaps.push_back(-2);
+  rados_completion_t completion;
+  ASSERT_EQ(0, rados_aio_create_completion(nullptr, nullptr, nullptr,
+                                           &completion));
+  rados_aio_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back(), completion);
+  ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+  rados_aio_release(completion);
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, sizeof(buf2), 0));
+  rados_ioctx_snap_set_read(ioctx, my_snaps[1]-1);
+  char buf3[sizeof(buf)];
+  ASSERT_EQ(-ENOENT, rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+
+  rados_ioctx_snap_set_read(ioctx, my_snaps[1]);
+  ASSERT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  ASSERT_EQ(0, memcmp(buf3, buf, sizeof(buf)));
+
+  ASSERT_EQ(0, rados_aio_create_completion(nullptr, nullptr, nullptr,
+                                           &completion));
+  rados_aio_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back(), completion);
+  ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+  rados_aio_release(completion);
+  my_snaps.pop_back();
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+  my_snaps.pop_back();
+  rados_ioctx_snap_set_read(ioctx, LIBRADOS_SNAP_HEAD);
+  ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManaged, Rollback) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, sizeof(buf2), 0));
+  rados_ioctx_selfmanaged_snap_rollback(ioctx, "foo", my_snaps[1]);
+  char buf3[sizeof(buf)];
+  ASSERT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  ASSERT_EQ(0, memcmp(buf3, buf, sizeof(buf)));
+
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedPP, SnapPP) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_FALSE(cluster.get_pool_is_selfmanaged_snaps_mode(pool_name));
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ASSERT_TRUE(cluster.get_pool_is_selfmanaged_snaps_mode(pool_name));
+  ::std::reverse(my_snaps.begin(), my_snaps.end()); 
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+
+  my_snaps.push_back(-2);
+  librados::AioCompletion *completion = cluster.aio_create_completion();
+  ioctx.aio_selfmanaged_snap_create(&my_snaps.back(), completion);
+  ASSERT_EQ(0, completion->wait_for_complete());
+  completion->release();
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), 0));
+
+  ioctx.snap_set_read(my_snaps[1]);
+  bufferlist bl3;
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", bl3, sizeof(buf), 0));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, sizeof(buf)));
+
+  completion = cluster.aio_create_completion();
+  ioctx.aio_selfmanaged_snap_remove(my_snaps.back(), completion);
+  ASSERT_EQ(0, completion->wait_for_complete());
+  completion->release();
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ioctx.snap_set_read(LIBRADOS_SNAP_HEAD);
+  ASSERT_TRUE(cluster.get_pool_is_selfmanaged_snaps_mode(pool_name));
+  ASSERT_EQ(0, ioctx.remove("foo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedPP, RollbackPP) {
+  std::vector<uint64_t> my_snaps;
+  IoCtx readioctx;
+  ASSERT_EQ(0, cluster.ioctx_create(pool_name.c_str(), readioctx));
+  readioctx.set_namespace(nspace);
+  readioctx.snap_set_read(LIBRADOS_SNAP_DIR);
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  //Write 3 consecutive buffers
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), bufsize));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), bufsize*2));
+
+  snap_set_t ss;
+
+  snap_t head = SNAP_HEAD;
+  ASSERT_EQ(0, readioctx.list_snaps("foo", &ss));
+  ASSERT_EQ(1u, ss.clones.size());
+  ASSERT_EQ(head, ss.clones[0].cloneid);
+  ASSERT_EQ(0u, ss.clones[0].snaps.size());
+  ASSERT_EQ(0u, ss.clones[0].overlap.size());
+  ASSERT_EQ(384u, ss.clones[0].size);
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  //Change the middle buffer
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize));
+  //Add another after
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize*3));
+
+  ASSERT_EQ(-EINVAL, ioctx.list_snaps("foo", &ss));
+  ObjectReadOperation o;
+  o.list_snaps(&ss, NULL);
+  ASSERT_EQ(-EINVAL, ioctx.operate("foo", &o, NULL));
+
+  ASSERT_EQ(0, readioctx.list_snaps("foo", &ss));
+  ASSERT_EQ(2u, ss.clones.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].cloneid);
+  ASSERT_EQ(1u, ss.clones[0].snaps.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].snaps[0]);
+  ASSERT_EQ(2u, ss.clones[0].overlap.size());
+  ASSERT_EQ(0u, ss.clones[0].overlap[0].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[0].second);
+  ASSERT_EQ(256u, ss.clones[0].overlap[1].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[1].second);
+  ASSERT_EQ(384u, ss.clones[0].size);
+  ASSERT_EQ(head, ss.clones[1].cloneid);
+  ASSERT_EQ(0u, ss.clones[1].snaps.size());
+  ASSERT_EQ(0u, ss.clones[1].overlap.size());
+  ASSERT_EQ(512u, ss.clones[1].size);
+
+  ioctx.selfmanaged_snap_rollback("foo", my_snaps[1]);
+
+  bufferlist bl3;
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", bl3, sizeof(buf), 0));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, sizeof(buf)));
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", bl3, sizeof(buf), bufsize));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, sizeof(buf)));
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", bl3, sizeof(buf), bufsize*2));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, sizeof(buf)));
+  ASSERT_EQ((int)0, ioctx.read("foo", bl3, sizeof(buf), bufsize*3));
+
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  readioctx.close();
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedPP, SnapOverlapPP) {
+  std::vector<uint64_t> my_snaps;
+  IoCtx readioctx;
+  ASSERT_EQ(0, cluster.ioctx_create(pool_name.c_str(), readioctx));
+  readioctx.set_namespace(nspace);
+  readioctx.snap_set_read(LIBRADOS_SNAP_DIR);
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), bufsize*2));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), bufsize*4));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), bufsize*6));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), bufsize*8));
+
+  snap_set_t ss;
+  snap_t head = SNAP_HEAD;
+  ASSERT_EQ(0, readioctx.list_snaps("foo", &ss));
+  ASSERT_EQ(1u, ss.clones.size());
+  ASSERT_EQ(head, ss.clones[0].cloneid);
+  ASSERT_EQ(0u, ss.clones[0].snaps.size());
+  ASSERT_EQ(0u, ss.clones[0].overlap.size());
+  ASSERT_EQ(1152u, ss.clones[0].size);
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize*1));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize*3));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize*5));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize*7));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize*9));
+
+  ASSERT_EQ(0, readioctx.list_snaps("foo", &ss));
+  ASSERT_EQ(2u, ss.clones.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].cloneid);
+  ASSERT_EQ(1u, ss.clones[0].snaps.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].snaps[0]);
+  ASSERT_EQ(5u, ss.clones[0].overlap.size());
+  ASSERT_EQ(0u, ss.clones[0].overlap[0].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[0].second);
+  ASSERT_EQ(256u, ss.clones[0].overlap[1].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[1].second);
+  ASSERT_EQ(512u, ss.clones[0].overlap[2].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[2].second);
+  ASSERT_EQ(768u, ss.clones[0].overlap[3].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[3].second);
+  ASSERT_EQ(1024u, ss.clones[0].overlap[4].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[4].second);
+  ASSERT_EQ(1152u, ss.clones[0].size);
+  ASSERT_EQ(head, ss.clones[1].cloneid);
+  ASSERT_EQ(0u, ss.clones[1].snaps.size());
+  ASSERT_EQ(0u, ss.clones[1].overlap.size());
+  ASSERT_EQ(1280u, ss.clones[1].size);
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+
+  char buf3[sizeof(buf)];
+  memset(buf3, 0xee, sizeof(buf3));
+  bufferlist bl4;
+  bl4.append(buf3, sizeof(buf3));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf3), bufsize*1));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf3), bufsize*4));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf3), bufsize*5));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf3), bufsize*8));
+
+  ASSERT_EQ(0, readioctx.list_snaps("foo", &ss));
+  ASSERT_EQ(3u, ss.clones.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].cloneid);
+  ASSERT_EQ(1u, ss.clones[0].snaps.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].snaps[0]);
+  ASSERT_EQ(5u, ss.clones[0].overlap.size());
+  ASSERT_EQ(0u, ss.clones[0].overlap[0].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[0].second);
+  ASSERT_EQ(256u, ss.clones[0].overlap[1].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[1].second);
+  ASSERT_EQ(512u, ss.clones[0].overlap[2].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[2].second);
+  ASSERT_EQ(768u, ss.clones[0].overlap[3].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[3].second);
+  ASSERT_EQ(1024u, ss.clones[0].overlap[4].first);
+  ASSERT_EQ(128u, ss.clones[0].overlap[4].second);
+  ASSERT_EQ(1152u, ss.clones[0].size);
+
+  ASSERT_EQ(my_snaps[2], ss.clones[1].cloneid);
+  ASSERT_EQ(1u, ss.clones[1].snaps.size());
+  ASSERT_EQ(my_snaps[2], ss.clones[1].snaps[0]);
+  ASSERT_EQ(4u, ss.clones[1].overlap.size());
+  ASSERT_EQ(0u, ss.clones[1].overlap[0].first);
+  ASSERT_EQ(128u, ss.clones[1].overlap[0].second);
+  ASSERT_EQ(256u, ss.clones[1].overlap[1].first);
+  ASSERT_EQ(256u, ss.clones[1].overlap[1].second);
+  ASSERT_EQ(768u, ss.clones[1].overlap[2].first);
+  ASSERT_EQ(256u, ss.clones[1].overlap[2].second);
+  ASSERT_EQ(1152u, ss.clones[1].overlap[3].first);
+  ASSERT_EQ(128u, ss.clones[1].overlap[3].second);
+  ASSERT_EQ(1280u, ss.clones[1].size);
+
+  ASSERT_EQ(head, ss.clones[2].cloneid);
+  ASSERT_EQ(0u, ss.clones[2].snaps.size());
+  ASSERT_EQ(0u, ss.clones[2].overlap.size());
+  ASSERT_EQ(1280u, ss.clones[2].size);
+
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  readioctx.close();
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedPP, Bug11677) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+
+  int bsize = 1<<20;
+  char *buf = (char *)new char[bsize];
+  memset(buf, 0xcc, bsize);
+  bufferlist bl1;
+  bl1.append(buf, bsize);
+  ASSERT_EQ(0, ioctx.write("foo", bl1, bsize, 0));
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+
+  std::unique_ptr<librados::ObjectWriteOperation> op(new librados::ObjectWriteOperation());
+  op->assert_exists();
+  op->remove();
+  ASSERT_EQ(0, ioctx.operate("foo", op.get()));
+
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ioctx.snap_set_read(LIBRADOS_SNAP_HEAD);
+  delete[] buf;
+}
+
+// EC testing
+TEST_F(LibRadosSnapshotsEC, SnapList) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+  rados_snap_t snaps[10];
+  EXPECT_EQ(1, rados_ioctx_snap_list(ioctx, snaps,
+				     sizeof(snaps) / sizeof(snaps[0])));
+  rados_snap_t rid;
+  EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+  EXPECT_EQ(rid, snaps[0]);
+  EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshotsECPP, SnapListPP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snap1"));
+  std::vector<snap_t> snaps;
+  EXPECT_EQ(0, ioctx.snap_list(&snaps));
+  EXPECT_EQ(1U, snaps.size());
+  snap_t rid;
+  EXPECT_EQ(0, ioctx.snap_lookup("snap1", &rid));
+  EXPECT_EQ(rid, snaps[0]);
+  EXPECT_EQ(0, ioctx.snap_remove("snap1"));
+}
+
+TEST_F(LibRadosSnapshotsEC, SnapRemove) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+  rados_snap_t rid;
+  ASSERT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+  ASSERT_EQ(-EEXIST, rados_ioctx_snap_create(ioctx, "snap1"));
+  ASSERT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+  ASSERT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snap1", &rid));
+}
+
+TEST_F(LibRadosSnapshotsECPP, SnapRemovePP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snap1"));
+  rados_snap_t rid;
+  ASSERT_EQ(0, ioctx.snap_lookup("snap1", &rid));
+  ASSERT_EQ(0, ioctx.snap_remove("snap1"));
+  ASSERT_EQ(-ENOENT, ioctx.snap_lookup("snap1", &rid));
+}
+
+TEST_F(LibRadosSnapshotsEC, Rollback) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snap1"));
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  EXPECT_EQ(0, rados_write_full(ioctx, "foo", buf2, sizeof(buf2)));
+  EXPECT_EQ(0, rados_ioctx_snap_rollback(ioctx, "foo", "snap1"));
+  char buf3[sizeof(buf)];
+  EXPECT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  EXPECT_EQ(0, memcmp(buf, buf3, sizeof(buf)));
+  EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snap1"));
+}
+
+TEST_F(LibRadosSnapshotsECPP, RollbackPP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snap1"));
+  char buf2[sizeof(buf)];
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  EXPECT_EQ(0, ioctx.write_full("foo", bl2));
+  EXPECT_EQ(0, ioctx.snap_rollback("foo", "snap1"));
+  bufferlist bl3;
+  EXPECT_EQ((int)sizeof(buf), ioctx.read("foo", bl3, sizeof(buf), 0));
+  EXPECT_EQ(0, memcmp(buf, bl3.c_str(), sizeof(buf)));
+  EXPECT_EQ(0, ioctx.snap_remove("snap1"));
+}
+
+TEST_F(LibRadosSnapshotsEC, SnapGetName) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  ASSERT_EQ(0, rados_ioctx_snap_create(ioctx, "snapfoo"));
+  rados_snap_t rid;
+  EXPECT_EQ(0, rados_ioctx_snap_lookup(ioctx, "snapfoo", &rid));
+  EXPECT_EQ(-ENOENT, rados_ioctx_snap_lookup(ioctx, "snapbar", &rid));
+  char name[128];
+  memset(name, 0, sizeof(name));
+  EXPECT_EQ(0, rados_ioctx_snap_get_name(ioctx, rid, name, sizeof(name)));
+  time_t snaptime;
+  EXPECT_EQ(0, rados_ioctx_snap_get_stamp(ioctx, rid, &snaptime));
+  EXPECT_EQ(0, strcmp(name, "snapfoo"));
+  EXPECT_EQ(0, rados_ioctx_snap_remove(ioctx, "snapfoo"));
+}
+
+TEST_F(LibRadosSnapshotsECPP, SnapGetNamePP) {
+  char buf[bufsize];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+  ASSERT_EQ(0, ioctx.snap_create("snapfoo"));
+  rados_snap_t rid;
+  EXPECT_EQ(0, ioctx.snap_lookup("snapfoo", &rid));
+  EXPECT_EQ(-ENOENT, ioctx.snap_lookup("snapbar", &rid));
+  std::string name;
+  EXPECT_EQ(0, ioctx.snap_get_name(rid, &name));
+  time_t snaptime;
+  EXPECT_EQ(0, ioctx.snap_get_stamp(rid, &snaptime));
+  EXPECT_EQ(0, strcmp(name.c_str(), "snapfoo"));
+  EXPECT_EQ(0, ioctx.snap_remove("snapfoo"));
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedEC, Snap) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  int bsize = alignment;
+  char *buf = (char *)new char[bsize];
+  memset(buf, 0xcc, bsize);
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, bsize, 0));
+
+  my_snaps.push_back(-2);
+  rados_completion_t completion;
+  ASSERT_EQ(0, rados_aio_create_completion(nullptr, nullptr, nullptr,
+                                           &completion));
+  rados_aio_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back(), completion);
+  ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+  rados_aio_release(completion);
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char *buf2 = (char *)new char[bsize];
+  memset(buf2, 0xdd, bsize);
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, bsize, bsize));
+  rados_ioctx_snap_set_read(ioctx, my_snaps[1]-1);
+  char *buf3 = (char *)new char[bsize*2];
+  ASSERT_EQ(-ENOENT, rados_read(ioctx, "foo", buf3, bsize*2, 0));
+
+  rados_ioctx_snap_set_read(ioctx, my_snaps[1]);
+  ASSERT_EQ(bsize, rados_read(ioctx, "foo", buf3, bsize*2, 0));
+  ASSERT_EQ(0, memcmp(buf3, buf, bsize));
+
+  ASSERT_EQ(0, rados_aio_create_completion(nullptr, nullptr, nullptr,
+                                           &completion));
+  rados_aio_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back(), completion);
+  ASSERT_EQ(0, rados_aio_wait_for_complete(completion));
+  rados_aio_release(completion);
+  my_snaps.pop_back();
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+  my_snaps.pop_back();
+  rados_ioctx_snap_set_read(ioctx, LIBRADOS_SNAP_HEAD);
+  ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+  delete[] buf;
+  delete[] buf2;
+  delete[] buf3;
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedEC, Rollback) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  int bsize = alignment;
+  char *buf = (char *)new char[bsize];
+  memset(buf, 0xcc, bsize);
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, bsize, 0));
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_create(ioctx, &my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_set_write_ctx(ioctx, my_snaps[0],
+					&my_snaps[0], my_snaps.size()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char *buf2 = (char *)new char[bsize];
+  memset(buf2, 0xdd, bsize);
+
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, bsize, bsize));
+  rados_ioctx_selfmanaged_snap_rollback(ioctx, "foo", my_snaps[1]);
+  char *buf3 = (char *)new char[bsize*2];
+  ASSERT_EQ(bsize, rados_read(ioctx, "foo", buf3, bsize*2, 0));
+  ASSERT_EQ(0, memcmp(buf3, buf, bsize));
+
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, rados_ioctx_selfmanaged_snap_remove(ioctx, my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+  delete[] buf;
+  delete[] buf2;
+  delete[] buf3;
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedECPP, SnapPP) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  int bsize = alignment;
+  char *buf = (char *)new char[bsize];
+  memset(buf, 0xcc, bsize);
+  bufferlist bl1;
+  bl1.append(buf, bsize);
+  ASSERT_EQ(0, ioctx.write("foo", bl1, bsize, 0));
+
+  my_snaps.push_back(-2);
+  librados::AioCompletion *completion = cluster.aio_create_completion();
+  ioctx.aio_selfmanaged_snap_create(&my_snaps.back(), completion);
+  ASSERT_EQ(0, completion->wait_for_complete());
+  completion->release();
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char *buf2 = (char *)new char[bsize];
+  memset(buf2, 0xdd, bsize);
+  bufferlist bl2;
+  bl2.append(buf2, bsize);
+  // Add another aligned buffer
+  ASSERT_EQ(0, ioctx.write("foo", bl2, bsize, bsize));
+
+  ioctx.snap_set_read(my_snaps[1]);
+  bufferlist bl3;
+  ASSERT_EQ(bsize, ioctx.read("foo", bl3, bsize*3, 0));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, bsize));
+
+  completion = cluster.aio_create_completion();
+  ioctx.aio_selfmanaged_snap_remove(my_snaps.back(), completion);
+  ASSERT_EQ(0, completion->wait_for_complete());
+  completion->release();
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ioctx.snap_set_read(LIBRADOS_SNAP_HEAD);
+  ASSERT_EQ(0, ioctx.remove("foo"));
+  delete[] buf;
+  delete[] buf2;
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedECPP, RollbackPP) {
+  std::vector<uint64_t> my_snaps;
+  IoCtx readioctx;
+  ASSERT_EQ(0, cluster.ioctx_create(pool_name.c_str(), readioctx));
+  readioctx.set_namespace(nspace);
+  readioctx.snap_set_read(LIBRADOS_SNAP_DIR);
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  int bsize = alignment;
+  char *buf = (char *)new char[bsize];
+  memset(buf, 0xcc, bsize);
+  bufferlist bl1;
+  bl1.append(buf, bsize);
+  //Write 3 consecutive buffers
+  ASSERT_EQ(0, ioctx.write("foo", bl1, bsize, 0));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, bsize, bsize));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, bsize, bsize*2));
+
+  snap_set_t ss;
+
+  snap_t head = SNAP_HEAD;
+  ASSERT_EQ(0, readioctx.list_snaps("foo", &ss));
+  ASSERT_EQ(1u, ss.clones.size());
+  ASSERT_EQ(head, ss.clones[0].cloneid);
+  ASSERT_EQ(0u, ss.clones[0].snaps.size());
+  ASSERT_EQ(0u, ss.clones[0].overlap.size());
+  ASSERT_EQ((unsigned)(bsize*3), ss.clones[0].size);
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  char *buf2 = (char *)new char[bsize];
+  memset(buf2, 0xdd, bsize);
+  bufferlist bl2;
+  bl2.append(buf2, bsize);
+  //Change the middle buffer
+  //ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), bufsize));
+  //Add another after
+  ASSERT_EQ(0, ioctx.write("foo", bl2, bsize, bsize*3));
+
+  ASSERT_EQ(-EINVAL, ioctx.list_snaps("foo", &ss));
+  ObjectReadOperation o;
+  o.list_snaps(&ss, NULL);
+  ASSERT_EQ(-EINVAL, ioctx.operate("foo", &o, NULL));
+
+  ASSERT_EQ(0, readioctx.list_snaps("foo", &ss));
+  ASSERT_EQ(2u, ss.clones.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].cloneid);
+  ASSERT_EQ(1u, ss.clones[0].snaps.size());
+  ASSERT_EQ(my_snaps[1], ss.clones[0].snaps[0]);
+  ASSERT_EQ(1u, ss.clones[0].overlap.size());
+  ASSERT_EQ(0u, ss.clones[0].overlap[0].first);
+  ASSERT_EQ((unsigned)bsize*3, ss.clones[0].overlap[0].second);
+  ASSERT_EQ((unsigned)bsize*3, ss.clones[0].size);
+  ASSERT_EQ(head, ss.clones[1].cloneid);
+  ASSERT_EQ(0u, ss.clones[1].snaps.size());
+  ASSERT_EQ(0u, ss.clones[1].overlap.size());
+  ASSERT_EQ((unsigned)bsize*4, ss.clones[1].size);
+
+  ioctx.selfmanaged_snap_rollback("foo", my_snaps[1]);
+
+  bufferlist bl3;
+  ASSERT_EQ(bsize, ioctx.read("foo", bl3, bsize, 0));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, bsize));
+  ASSERT_EQ(bsize, ioctx.read("foo", bl3, bsize, bsize));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, bsize));
+  ASSERT_EQ(bsize, ioctx.read("foo", bl3, bsize, bsize*2));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, bsize));
+  ASSERT_EQ(0, ioctx.read("foo", bl3, bsize, bsize*3));
+
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  readioctx.close();
+
+  delete[] buf;
+  delete[] buf2;
+}
+
+TEST_F(LibRadosSnapshotsSelfManagedECPP, Bug11677) {
+  std::vector<uint64_t> my_snaps;
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+
+  int bsize = alignment;
+  char *buf = (char *)new char[bsize];
+  memset(buf, 0xcc, bsize);
+  bufferlist bl1;
+  bl1.append(buf, bsize);
+  ASSERT_EQ(0, ioctx.write("foo", bl1, bsize, 0));
+
+  my_snaps.push_back(-2);
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_create(&my_snaps.back()));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_set_write_ctx(my_snaps[0], my_snaps));
+  ::std::reverse(my_snaps.begin(), my_snaps.end());
+
+  std::unique_ptr<librados::ObjectWriteOperation> op(new librados::ObjectWriteOperation());
+  op->assert_exists();
+  op->remove();
+  ASSERT_EQ(0, ioctx.operate("foo", op.get()));
+
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ASSERT_EQ(0, ioctx.selfmanaged_snap_remove(my_snaps.back()));
+  my_snaps.pop_back();
+  ioctx.snap_set_read(LIBRADOS_SNAP_HEAD);
+  delete[] buf;
+}
+