[ceph.git] / ceph / src / test / librbd / object_map / test_mock_SnapshotRemoveRequest.cc

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab

#include "test/librbd/test_mock_fixture.h"
#include "test/librbd/test_support.h"
#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
#include "common/bit_vector.hpp"
#include "librbd/ImageState.h"
#include "librbd/internal.h"
#include "librbd/ObjectMap.h"
#include "librbd/object_map/SnapshotRemoveRequest.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"

namespace librbd {
namespace object_map {

using ::testing::_;
using ::testing::DoDefault;
using ::testing::Return;
using ::testing::StrEq;

class TestMockObjectMapSnapshotRemoveRequest : public TestMockFixture {
public:
  void expect_load_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) {
    std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id));
    if (r < 0) {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _,
                       _, _, _))
                    .WillOnce(Return(r));
    } else {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _,
                       _, _, _))
                    .WillOnce(DoDefault());
    }
  }

  void expect_remove_snapshot(librbd::ImageCtx *ictx, int r) {
    std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP));
    if (r < 0) {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _,
                       _))
                    .WillOnce(Return(r));
    } else {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _,
                       _))
                    .WillOnce(DoDefault());
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                  exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_remove"), _,
                       _, _, _))
                    .WillOnce(DoDefault());
    }
  }

  void expect_remove_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) {
    std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id));
    if (r < 0) {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _))
                    .WillOnce(Return(r));
    } else {
      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _))
                    .WillOnce(DoDefault());
    }
  }

  void expect_invalidate(librbd::ImageCtx *ictx) {
    EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
                exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _,
                     _, _, _))
                  .WillOnce(DoDefault());
  }
};

TEST_F(TestMockObjectMapSnapshotRemoveRequest, Success) {
  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
    expect_load_map(ictx, snap_id, 0);
    expect_remove_snapshot(ictx, 0);
  }
  expect_remove_map(ictx, snap_id, 0);

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapMissing) {
  REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  auto snap_it = ictx->snap_info.find(snap_id);
  ASSERT_NE(ictx->snap_info.end(), snap_it);
  snap_it->second.flags |= RBD_FLAG_OBJECT_MAP_INVALID;

  expect_load_map(ictx, snap_id, -ENOENT);

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  {
    // shouldn't invalidate the HEAD revision when we fail to load
    // the already deleted snapshot
    std::shared_lock image_locker{ictx->image_lock};
    uint64_t flags;
    ASSERT_EQ(0, ictx->get_flags(CEPH_NOSNAP, &flags));
    ASSERT_EQ(0U, flags & RBD_FLAG_OBJECT_MAP_INVALID);
  }

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapError) {
  REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  expect_load_map(ictx, snap_id, -EINVAL);
  expect_invalidate(ictx);
  expect_remove_map(ictx, snap_id, 0);

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotMissing) {
  REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  expect_load_map(ictx, snap_id, 0);
  expect_remove_snapshot(ictx, -ENOENT);
  expect_remove_map(ictx, snap_id, 0);

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotError) {
  REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  expect_load_map(ictx, snap_id, 0);
  expect_remove_snapshot(ictx, -EINVAL);
  expect_invalidate(ictx);
  expect_remove_map(ictx, snap_id, 0);

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapMissing) {
  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
    expect_load_map(ictx, snap_id, 0);
    expect_remove_snapshot(ictx, 0);
  }
  expect_remove_map(ictx, snap_id, -ENOENT);

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapError) {
  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
    expect_load_map(ictx, snap_id, 0);
    expect_remove_snapshot(ictx, 0);
  }
  expect_remove_map(ictx, snap_id, -EINVAL);

  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(-EINVAL, cond_ctx.wait());

  expect_unlock_exclusive_lock(*ictx);
}

TEST_F(TestMockObjectMapSnapshotRemoveRequest, ScrubCleanObjects) {
  REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);

  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  librbd::NoOpProgressContext prog_ctx;
  uint64_t size = 4294967296; // 4GB = 1024 * 4MB
  ASSERT_EQ(0, resize(ictx, size));

  // update image objectmap for snap inherit
  ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
  ceph::BitVector<2> object_map;
  object_map.resize(1024);
  for (uint64_t i = 512; i < object_map.size(); ++i) {
    object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT;
  }

  C_SaferCond cond_ctx1;
  {
    librbd::ObjectMap<> *om = new librbd::ObjectMap<>(*ictx, ictx->snap_id);
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    om->set_object_map(object_map);
    om->aio_save(&cond_ctx1);
    om->put();
  }
  ASSERT_EQ(0, cond_ctx1.wait());
  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
  ASSERT_EQ(0, ictx->state->refresh_if_required());

  // simutate the image objectmap state after creating snap
  for (uint64_t i = 512; i < object_map.size(); ++i) {
    object_map[i] = i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT;
  }

  C_SaferCond cond_ctx2;
  uint64_t snap_id = ictx->snap_info.rbegin()->first;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx2);
  {
    std::shared_lock owner_locker{ictx->owner_lock};
    std::unique_lock image_locker{ictx->image_lock};
    request->send();
  }
  ASSERT_EQ(0, cond_ctx2.wait());

  for (uint64_t i = 512; i < object_map.size(); ++i) {
    ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT,
              object_map[i]);
  }
}

} // namespace object_map
} // namespace librbd
Commit	Line	Data
7c673cae FG	1	// -- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t --
	2	// vim: ts=8 sw=2 smarttab
	3
	4	#include "test/librbd/test_mock_fixture.h"
	5	#include "test/librbd/test_support.h"
	6	#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
	7	#include "common/bit_vector.hpp"
	8	#include "librbd/ImageState.h"
	9	#include "librbd/internal.h"
	10	#include "librbd/ObjectMap.h"
	11	#include "librbd/object_map/SnapshotRemoveRequest.h"
	12	#include "gmock/gmock.h"
	13	#include "gtest/gtest.h"
	14
	15	namespace librbd {
	16	namespace object_map {
	17
	18	using ::testing::_;
	19	using ::testing::DoDefault;
	20	using ::testing::Return;
	21	using ::testing::StrEq;
	22
	23	class TestMockObjectMapSnapshotRemoveRequest : public TestMockFixture {
	24	public:
	25	void expect_load_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) {
	26	std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id));
	27	if (r < 0) {
	28	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
f67539c2 TL	29	exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _,
f67539c2 TL	30	_, _, _))
7c673cae FG	31	.WillOnce(Return(r));
	32	} else {
	33	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
f67539c2 TL	34	exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _,
f67539c2 TL	35	_, _, _))
7c673cae FG	36	.WillOnce(DoDefault());
	37	}
	38	}
	39
	40	void expect_remove_snapshot(librbd::ImageCtx *ictx, int r) {
	41	std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP));
	42	if (r < 0) {
	43	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
f67539c2 TL	44	exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _,
f67539c2 TL	45	_))
7c673cae FG	46	.WillOnce(Return(r));
	47	} else {
	48	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
f67539c2 TL	49	exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _,
f67539c2 TL	50	_))
7c673cae FG	51	.WillOnce(DoDefault());
7c673cae FG	52	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
f67539c2 TL	53	exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_remove"), _,
f67539c2 TL	54	_, _, _))
7c673cae FG	55	.WillOnce(DoDefault());
	56	}
	57	}
	58
	59	void expect_remove_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) {
	60	std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id));
	61	if (r < 0) {
	62	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _))
	63	.WillOnce(Return(r));
	64	} else {
	65	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _))
	66	.WillOnce(DoDefault());
	67	}
	68	}
	69
	70	void expect_invalidate(librbd::ImageCtx *ictx) {
	71	EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
f67539c2 TL	72	exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _,
f67539c2 TL	73	_, _, _))
7c673cae FG	74	.WillOnce(DoDefault());
	75	}
	76	};
	77
	78	TEST_F(TestMockObjectMapSnapshotRemoveRequest, Success) {
	79	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
	80
	81	librbd::ImageCtx *ictx;
	82	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	83	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	84	ASSERT_EQ(0, ictx->state->refresh_if_required());
	85
	86	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	87	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
	88	expect_load_map(ictx, snap_id, 0);
	89	expect_remove_snapshot(ictx, 0);
	90	}
	91	expect_remove_map(ictx, snap_id, 0);
	92
9f95a23c	93	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	94	ceph::BitVector<2> object_map;
	95	C_SaferCond cond_ctx;
	96	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	97	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	98	{
9f95a23c TL	99	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	100	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	101	request->send();
	102	}
	103	ASSERT_EQ(0, cond_ctx.wait());
	104
	105	expect_unlock_exclusive_lock(*ictx);
	106	}
	107
	108	TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapMissing) {
	109	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	110
	111	librbd::ImageCtx *ictx;
	112	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	113	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	114	ASSERT_EQ(0, ictx->state->refresh_if_required());
	115
	116	uint64_t snap_id = ictx->snap_info.rbegin()->first;
91327a77 AA	117	auto snap_it = ictx->snap_info.find(snap_id);
	118	ASSERT_NE(ictx->snap_info.end(), snap_it);
	119	snap_it->second.flags \|= RBD_FLAG_OBJECT_MAP_INVALID;
	120
7c673cae FG	121	expect_load_map(ictx, snap_id, -ENOENT);
7c673cae FG	122
9f95a23c	123	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	124	ceph::BitVector<2> object_map;
	125	C_SaferCond cond_ctx;
	126	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	127	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	128	{
9f95a23c TL	129	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	130	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	131	request->send();
	132	}
	133	ASSERT_EQ(0, cond_ctx.wait());
	134
91327a77 AA	135	{
	136	// shouldn't invalidate the HEAD revision when we fail to load
	137	// the already deleted snapshot
9f95a23c	138	std::shared_lock image_locker{ictx->image_lock};
91327a77 AA	139	uint64_t flags;
	140	ASSERT_EQ(0, ictx->get_flags(CEPH_NOSNAP, &flags));
	141	ASSERT_EQ(0U, flags & RBD_FLAG_OBJECT_MAP_INVALID);
	142	}
	143
7c673cae FG	144	expect_unlock_exclusive_lock(*ictx);
	145	}
	146
	147	TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapError) {
	148	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	149
	150	librbd::ImageCtx *ictx;
	151	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	152	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	153	ASSERT_EQ(0, ictx->state->refresh_if_required());
	154
	155	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	156	expect_load_map(ictx, snap_id, -EINVAL);
	157	expect_invalidate(ictx);
	158	expect_remove_map(ictx, snap_id, 0);
	159
9f95a23c	160	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	161	ceph::BitVector<2> object_map;
	162	C_SaferCond cond_ctx;
	163	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	164	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	165	{
9f95a23c TL	166	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	167	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	168	request->send();
	169	}
	170	ASSERT_EQ(0, cond_ctx.wait());
	171
	172	expect_unlock_exclusive_lock(*ictx);
	173	}
	174
	175	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotMissing) {
	176	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	177
	178	librbd::ImageCtx *ictx;
	179	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	180	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	181	ASSERT_EQ(0, ictx->state->refresh_if_required());
	182
	183	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	184	expect_load_map(ictx, snap_id, 0);
	185	expect_remove_snapshot(ictx, -ENOENT);
	186	expect_remove_map(ictx, snap_id, 0);
	187
9f95a23c	188	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	189	ceph::BitVector<2> object_map;
	190	C_SaferCond cond_ctx;
	191	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	192	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	193	{
9f95a23c TL	194	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	195	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	196	request->send();
	197	}
	198	ASSERT_EQ(0, cond_ctx.wait());
	199
	200	expect_unlock_exclusive_lock(*ictx);
	201	}
	202
	203	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotError) {
	204	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	205
	206	librbd::ImageCtx *ictx;
	207	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	208	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	209	ASSERT_EQ(0, ictx->state->refresh_if_required());
	210
	211	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	212	expect_load_map(ictx, snap_id, 0);
	213	expect_remove_snapshot(ictx, -EINVAL);
	214	expect_invalidate(ictx);
	215	expect_remove_map(ictx, snap_id, 0);
	216
9f95a23c	217	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	218	ceph::BitVector<2> object_map;
	219	C_SaferCond cond_ctx;
	220	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	221	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	222	{
9f95a23c TL	223	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	224	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	225	request->send();
	226	}
	227	ASSERT_EQ(0, cond_ctx.wait());
	228
	229	expect_unlock_exclusive_lock(*ictx);
	230	}
	231
	232	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapMissing) {
	233	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
	234
	235	librbd::ImageCtx *ictx;
	236	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	237	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	238	ASSERT_EQ(0, ictx->state->refresh_if_required());
	239
	240	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	241	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
	242	expect_load_map(ictx, snap_id, 0);
	243	expect_remove_snapshot(ictx, 0);
	244	}
	245	expect_remove_map(ictx, snap_id, -ENOENT);
	246
9f95a23c	247	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	248	ceph::BitVector<2> object_map;
	249	C_SaferCond cond_ctx;
	250	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	251	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	252	{
9f95a23c TL	253	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	254	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	255	request->send();
	256	}
	257	ASSERT_EQ(0, cond_ctx.wait());
	258
	259	expect_unlock_exclusive_lock(*ictx);
	260	}
	261
	262	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapError) {
	263	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
	264
	265	librbd::ImageCtx *ictx;
	266	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	267	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	268	ASSERT_EQ(0, ictx->state->refresh_if_required());
	269
	270	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	271	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
	272	expect_load_map(ictx, snap_id, 0);
	273	expect_remove_snapshot(ictx, 0);
	274	}
	275	expect_remove_map(ictx, snap_id, -EINVAL);
	276
9f95a23c	277	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
7c673cae FG	278	ceph::BitVector<2> object_map;
	279	C_SaferCond cond_ctx;
	280	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	281	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx);
7c673cae	282	{
9f95a23c TL	283	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	284	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	285	request->send();
	286	}
	287	ASSERT_EQ(-EINVAL, cond_ctx.wait());
	288
	289	expect_unlock_exclusive_lock(*ictx);
	290	}
	291
	292	TEST_F(TestMockObjectMapSnapshotRemoveRequest, ScrubCleanObjects) {
	293	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	294
	295	librbd::ImageCtx *ictx;
	296	ASSERT_EQ(0, open_image(m_image_name, &ictx));
b32b8144 FG	297	librbd::NoOpProgressContext prog_ctx;
	298	uint64_t size = 4294967296; // 4GB = 1024 * 4MB
	299	ASSERT_EQ(0, resize(ictx, size));
9f95a23c TL	300
	301	// update image objectmap for snap inherit
	302	ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock");
b32b8144 FG	303	ceph::BitVector<2> object_map;
	304	object_map.resize(1024);
	305	for (uint64_t i = 512; i < object_map.size(); ++i) {
	306	object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT;
	307	}
9f95a23c	308
b32b8144 FG	309	C_SaferCond cond_ctx1;
b32b8144 FG	310	{
9f95a23c TL	311	librbd::ObjectMap<> om = new librbd::ObjectMap<>(ictx, ictx->snap_id);
	312	std::shared_lock owner_locker{ictx->owner_lock};
	313	std::unique_lock image_locker{ictx->image_lock};
	314	om->set_object_map(object_map);
	315	om->aio_save(&cond_ctx1);
	316	om->put();
b32b8144 FG	317	}
b32b8144 FG	318	ASSERT_EQ(0, cond_ctx1.wait());
7c673cae FG	319	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	320	ASSERT_EQ(0, ictx->state->refresh_if_required());
	321
b32b8144	322	// simutate the image objectmap state after creating snap
7c673cae FG	323	for (uint64_t i = 512; i < object_map.size(); ++i) {
	324	object_map[i] = i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT;
	325	}
	326
b32b8144 FG	327	C_SaferCond cond_ctx2;
b32b8144 FG	328	uint64_t snap_id = ictx->snap_info.rbegin()->first;
7c673cae	329	AsyncRequest<> *request = new SnapshotRemoveRequest(
9f95a23c	330	*ictx, &object_map_lock, &object_map, snap_id, &cond_ctx2);
7c673cae	331	{
9f95a23c TL	332	std::shared_lock owner_locker{ictx->owner_lock};
9f95a23c TL	333	std::unique_lock image_locker{ictx->image_lock};
7c673cae FG	334	request->send();
7c673cae FG	335	}
b32b8144	336	ASSERT_EQ(0, cond_ctx2.wait());
7c673cae FG	337
	338	for (uint64_t i = 512; i < object_map.size(); ++i) {
	339	ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT,
	340	object_map[i]);
	341	}
	342	}
	343
	344	} // namespace object_map
	345	} // namespace librbd