[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::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map, snap_id, &cond_ctx);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_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;
  expect_load_map(ictx, snap_id, -ENOENT);

  ceph::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map, snap_id, &cond_ctx);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_lock);
    request->send();
  }
  ASSERT_EQ(0, cond_ctx.wait());

  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::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map, snap_id, &cond_ctx);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_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::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map, snap_id, &cond_ctx);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_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::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map, snap_id, &cond_ctx);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_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::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map, snap_id, &cond_ctx);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_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::BitVector<2> object_map;
  C_SaferCond cond_ctx;
  AsyncRequest<> *request = new SnapshotRemoveRequest(
    *ictx, &object_map, snap_id, &cond_ctx);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_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::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<ImageCtx> om(*ictx, ictx->snap_id);
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_lock);
    om.set_object_map(object_map);
    om.aio_save(&cond_ctx1);
  }
  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, snap_id, &cond_ctx2);
  {
    RWLock::RLocker owner_locker(ictx->owner_lock);
    RWLock::WLocker snap_locker(ictx->snap_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
87	ceph::BitVector<2> object_map;
88	C_SaferCond cond_ctx;
89	AsyncRequest<> *request = new SnapshotRemoveRequest(
90	*ictx, &object_map, snap_id, &cond_ctx);
91	{
92	RWLock::RLocker owner_locker(ictx->owner_lock);
93	RWLock::WLocker snap_locker(ictx->snap_lock);
94	request->send();
95	}
96	ASSERT_EQ(0, cond_ctx.wait());
97
98	expect_unlock_exclusive_lock(*ictx);
99	}
100
101	TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapMissing) {
102	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
103
104	librbd::ImageCtx *ictx;
105	ASSERT_EQ(0, open_image(m_image_name, &ictx));
106	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
107	ASSERT_EQ(0, ictx->state->refresh_if_required());
108
109	uint64_t snap_id = ictx->snap_info.rbegin()->first;
110	expect_load_map(ictx, snap_id, -ENOENT);
111
112	ceph::BitVector<2> object_map;
113	C_SaferCond cond_ctx;
114	AsyncRequest<> *request = new SnapshotRemoveRequest(
115	*ictx, &object_map, snap_id, &cond_ctx);
116	{
117	RWLock::RLocker owner_locker(ictx->owner_lock);
118	RWLock::WLocker snap_locker(ictx->snap_lock);
119	request->send();
120	}
121	ASSERT_EQ(0, cond_ctx.wait());
122
123	expect_unlock_exclusive_lock(*ictx);
124	}
125
126	TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapError) {
127	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
128
129	librbd::ImageCtx *ictx;
130	ASSERT_EQ(0, open_image(m_image_name, &ictx));
131	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
132	ASSERT_EQ(0, ictx->state->refresh_if_required());
133
134	uint64_t snap_id = ictx->snap_info.rbegin()->first;
135	expect_load_map(ictx, snap_id, -EINVAL);
136	expect_invalidate(ictx);
137	expect_remove_map(ictx, snap_id, 0);
138
139	ceph::BitVector<2> object_map;
140	C_SaferCond cond_ctx;
141	AsyncRequest<> *request = new SnapshotRemoveRequest(
142	*ictx, &object_map, snap_id, &cond_ctx);
143	{
144	RWLock::RLocker owner_locker(ictx->owner_lock);
145	RWLock::WLocker snap_locker(ictx->snap_lock);
146	request->send();
147	}
148	ASSERT_EQ(0, cond_ctx.wait());
149
150	expect_unlock_exclusive_lock(*ictx);
151	}
152
153	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotMissing) {
154	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
155
156	librbd::ImageCtx *ictx;
157	ASSERT_EQ(0, open_image(m_image_name, &ictx));
158	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
159	ASSERT_EQ(0, ictx->state->refresh_if_required());
160
161	uint64_t snap_id = ictx->snap_info.rbegin()->first;
162	expect_load_map(ictx, snap_id, 0);
163	expect_remove_snapshot(ictx, -ENOENT);
164	expect_remove_map(ictx, snap_id, 0);
165
166	ceph::BitVector<2> object_map;
167	C_SaferCond cond_ctx;
168	AsyncRequest<> *request = new SnapshotRemoveRequest(
169	*ictx, &object_map, snap_id, &cond_ctx);
170	{
171	RWLock::RLocker owner_locker(ictx->owner_lock);
172	RWLock::WLocker snap_locker(ictx->snap_lock);
173	request->send();
174	}
175	ASSERT_EQ(0, cond_ctx.wait());
176
177	expect_unlock_exclusive_lock(*ictx);
178	}
179
180	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotError) {
181	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
182
183	librbd::ImageCtx *ictx;
184	ASSERT_EQ(0, open_image(m_image_name, &ictx));
185	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
186	ASSERT_EQ(0, ictx->state->refresh_if_required());
187
188	uint64_t snap_id = ictx->snap_info.rbegin()->first;
189	expect_load_map(ictx, snap_id, 0);
190	expect_remove_snapshot(ictx, -EINVAL);
191	expect_invalidate(ictx);
192	expect_remove_map(ictx, snap_id, 0);
193
194	ceph::BitVector<2> object_map;
195	C_SaferCond cond_ctx;
196	AsyncRequest<> *request = new SnapshotRemoveRequest(
197	*ictx, &object_map, snap_id, &cond_ctx);
198	{
199	RWLock::RLocker owner_locker(ictx->owner_lock);
200	RWLock::WLocker snap_locker(ictx->snap_lock);
201	request->send();
202	}
203	ASSERT_EQ(0, cond_ctx.wait());
204
205	expect_unlock_exclusive_lock(*ictx);
206	}
207
208	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapMissing) {
209	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
210
211	librbd::ImageCtx *ictx;
212	ASSERT_EQ(0, open_image(m_image_name, &ictx));
213	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
214	ASSERT_EQ(0, ictx->state->refresh_if_required());
215
216	uint64_t snap_id = ictx->snap_info.rbegin()->first;
217	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
218	expect_load_map(ictx, snap_id, 0);
219	expect_remove_snapshot(ictx, 0);
220	}
221	expect_remove_map(ictx, snap_id, -ENOENT);
222
223	ceph::BitVector<2> object_map;
224	C_SaferCond cond_ctx;
225	AsyncRequest<> *request = new SnapshotRemoveRequest(
226	*ictx, &object_map, snap_id, &cond_ctx);
227	{
228	RWLock::RLocker owner_locker(ictx->owner_lock);
229	RWLock::WLocker snap_locker(ictx->snap_lock);
230	request->send();
231	}
232	ASSERT_EQ(0, cond_ctx.wait());
233
234	expect_unlock_exclusive_lock(*ictx);
235	}
236
237	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapError) {
238	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
239
240	librbd::ImageCtx *ictx;
241	ASSERT_EQ(0, open_image(m_image_name, &ictx));
242	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
243	ASSERT_EQ(0, ictx->state->refresh_if_required());
244
245	uint64_t snap_id = ictx->snap_info.rbegin()->first;
246	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
247	expect_load_map(ictx, snap_id, 0);
248	expect_remove_snapshot(ictx, 0);
249	}
250	expect_remove_map(ictx, snap_id, -EINVAL);
251
252	ceph::BitVector<2> object_map;
253	C_SaferCond cond_ctx;
254	AsyncRequest<> *request = new SnapshotRemoveRequest(
255	*ictx, &object_map, snap_id, &cond_ctx);
256	{
257	RWLock::RLocker owner_locker(ictx->owner_lock);
258	RWLock::WLocker snap_locker(ictx->snap_lock);
259	request->send();
260	}
261	ASSERT_EQ(-EINVAL, cond_ctx.wait());
262
263	expect_unlock_exclusive_lock(*ictx);
264	}
265
266	TEST_F(TestMockObjectMapSnapshotRemoveRequest, ScrubCleanObjects) {
267	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
268
269	librbd::ImageCtx *ictx;
270	ASSERT_EQ(0, open_image(m_image_name, &ictx));
b32b8144 FG	271	librbd::NoOpProgressContext prog_ctx;
	272	uint64_t size = 4294967296; // 4GB = 1024 * 4MB
	273	ASSERT_EQ(0, resize(ictx, size));
	274
	275	// update image objectmap for snap inherit
	276	ceph::BitVector<2> object_map;
	277	object_map.resize(1024);
	278	for (uint64_t i = 512; i < object_map.size(); ++i) {
	279	object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT;
	280	}
	281
	282	C_SaferCond cond_ctx1;
	283	{
	284	librbd::ObjectMap<ImageCtx> om(*ictx, ictx->snap_id);
	285	RWLock::RLocker owner_locker(ictx->owner_lock);
	286	RWLock::WLocker snap_locker(ictx->snap_lock);
	287	om.set_object_map(object_map);
	288	om.aio_save(&cond_ctx1);
	289	}
	290	ASSERT_EQ(0, cond_ctx1.wait());
7c673cae FG	291	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	292	ASSERT_EQ(0, ictx->state->refresh_if_required());
	293
b32b8144	294	// simutate the image objectmap state after creating snap
7c673cae FG	295	for (uint64_t i = 512; i < object_map.size(); ++i) {
	296	object_map[i] = i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT;
	297	}
	298
b32b8144 FG	299	C_SaferCond cond_ctx2;
b32b8144 FG	300	uint64_t snap_id = ictx->snap_info.rbegin()->first;
7c673cae	301	AsyncRequest<> *request = new SnapshotRemoveRequest(
b32b8144	302	*ictx, &object_map, snap_id, &cond_ctx2);
7c673cae FG	303	{
	304	RWLock::RLocker owner_locker(ictx->owner_lock);
	305	RWLock::WLocker snap_locker(ictx->snap_lock);
	306	request->send();
	307	}
b32b8144	308	ASSERT_EQ(0, cond_ctx2.wait());
7c673cae FG	309
	310	for (uint64_t i = 512; i < object_map.size(); ++i) {
	311	ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT,
	312	object_map[i]);
	313	}
	314	}
	315
	316	} // namespace object_map
	317	} // namespace librbd