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