[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;
  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::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());

  {
    // shouldn't invalidate the HEAD revision when we fail to load
    // the already deleted snapshot
    RWLock::RLocker snap_locker(ictx->snap_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::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 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;
91327a77 AA	110	auto snap_it = ictx->snap_info.find(snap_id);
	111	ASSERT_NE(ictx->snap_info.end(), snap_it);
	112	snap_it->second.flags \|= RBD_FLAG_OBJECT_MAP_INVALID;
	113
7c673cae FG	114	expect_load_map(ictx, snap_id, -ENOENT);
	115
	116	ceph::BitVector<2> object_map;
	117	C_SaferCond cond_ctx;
	118	AsyncRequest<> *request = new SnapshotRemoveRequest(
	119	*ictx, &object_map, snap_id, &cond_ctx);
	120	{
	121	RWLock::RLocker owner_locker(ictx->owner_lock);
	122	RWLock::WLocker snap_locker(ictx->snap_lock);
	123	request->send();
	124	}
	125	ASSERT_EQ(0, cond_ctx.wait());
	126
91327a77 AA	127	{
	128	// shouldn't invalidate the HEAD revision when we fail to load
	129	// the already deleted snapshot
	130	RWLock::RLocker snap_locker(ictx->snap_lock);
	131	uint64_t flags;
	132	ASSERT_EQ(0, ictx->get_flags(CEPH_NOSNAP, &flags));
	133	ASSERT_EQ(0U, flags & RBD_FLAG_OBJECT_MAP_INVALID);
	134	}
	135
7c673cae FG	136	expect_unlock_exclusive_lock(*ictx);
	137	}
	138
	139	TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapError) {
	140	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	141
	142	librbd::ImageCtx *ictx;
	143	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	144	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	145	ASSERT_EQ(0, ictx->state->refresh_if_required());
	146
	147	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	148	expect_load_map(ictx, snap_id, -EINVAL);
	149	expect_invalidate(ictx);
	150	expect_remove_map(ictx, snap_id, 0);
	151
	152	ceph::BitVector<2> object_map;
	153	C_SaferCond cond_ctx;
	154	AsyncRequest<> *request = new SnapshotRemoveRequest(
	155	*ictx, &object_map, snap_id, &cond_ctx);
	156	{
	157	RWLock::RLocker owner_locker(ictx->owner_lock);
	158	RWLock::WLocker snap_locker(ictx->snap_lock);
	159	request->send();
	160	}
	161	ASSERT_EQ(0, cond_ctx.wait());
	162
	163	expect_unlock_exclusive_lock(*ictx);
	164	}
	165
	166	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotMissing) {
	167	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	168
	169	librbd::ImageCtx *ictx;
	170	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	171	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	172	ASSERT_EQ(0, ictx->state->refresh_if_required());
	173
	174	uint64_t snap_id = ictx->snap_info.rbegin()->first;
	175	expect_load_map(ictx, snap_id, 0);
	176	expect_remove_snapshot(ictx, -ENOENT);
	177	expect_remove_map(ictx, snap_id, 0);
	178
	179	ceph::BitVector<2> object_map;
	180	C_SaferCond cond_ctx;
	181	AsyncRequest<> *request = new SnapshotRemoveRequest(
	182	*ictx, &object_map, snap_id, &cond_ctx);
	183	{
	184	RWLock::RLocker owner_locker(ictx->owner_lock);
	185	RWLock::WLocker snap_locker(ictx->snap_lock);
	186	request->send();
	187	}
	188	ASSERT_EQ(0, cond_ctx.wait());
	189
	190	expect_unlock_exclusive_lock(*ictx);
	191	}
	192
	193	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotError) {
	194	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
	195
	196	librbd::ImageCtx *ictx;
	197	ASSERT_EQ(0, open_image(m_image_name, &ictx));
	198	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	199	ASSERT_EQ(0, ictx->state->refresh_if_required());
200
201	uint64_t snap_id = ictx->snap_info.rbegin()->first;
202	expect_load_map(ictx, snap_id, 0);
203	expect_remove_snapshot(ictx, -EINVAL);
204	expect_invalidate(ictx);
205	expect_remove_map(ictx, snap_id, 0);
206
207	ceph::BitVector<2> object_map;
208	C_SaferCond cond_ctx;
209	AsyncRequest<> *request = new SnapshotRemoveRequest(
210	*ictx, &object_map, snap_id, &cond_ctx);
211	{
212	RWLock::RLocker owner_locker(ictx->owner_lock);
213	RWLock::WLocker snap_locker(ictx->snap_lock);
214	request->send();
215	}
216	ASSERT_EQ(0, cond_ctx.wait());
217
218	expect_unlock_exclusive_lock(*ictx);
219	}
220
221	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapMissing) {
222	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
223
224	librbd::ImageCtx *ictx;
225	ASSERT_EQ(0, open_image(m_image_name, &ictx));
226	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
227	ASSERT_EQ(0, ictx->state->refresh_if_required());
228
229	uint64_t snap_id = ictx->snap_info.rbegin()->first;
230	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
231	expect_load_map(ictx, snap_id, 0);
232	expect_remove_snapshot(ictx, 0);
233	}
234	expect_remove_map(ictx, snap_id, -ENOENT);
235
236	ceph::BitVector<2> object_map;
237	C_SaferCond cond_ctx;
238	AsyncRequest<> *request = new SnapshotRemoveRequest(
239	*ictx, &object_map, snap_id, &cond_ctx);
240	{
241	RWLock::RLocker owner_locker(ictx->owner_lock);
242	RWLock::WLocker snap_locker(ictx->snap_lock);
243	request->send();
244	}
245	ASSERT_EQ(0, cond_ctx.wait());
246
247	expect_unlock_exclusive_lock(*ictx);
248	}
249
250	TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapError) {
251	REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
252
253	librbd::ImageCtx *ictx;
254	ASSERT_EQ(0, open_image(m_image_name, &ictx));
255	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
256	ASSERT_EQ(0, ictx->state->refresh_if_required());
257
258	uint64_t snap_id = ictx->snap_info.rbegin()->first;
259	if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
260	expect_load_map(ictx, snap_id, 0);
261	expect_remove_snapshot(ictx, 0);
262	}
263	expect_remove_map(ictx, snap_id, -EINVAL);
264
265	ceph::BitVector<2> object_map;
266	C_SaferCond cond_ctx;
267	AsyncRequest<> *request = new SnapshotRemoveRequest(
268	*ictx, &object_map, snap_id, &cond_ctx);
269	{
270	RWLock::RLocker owner_locker(ictx->owner_lock);
271	RWLock::WLocker snap_locker(ictx->snap_lock);
272	request->send();
273	}
274	ASSERT_EQ(-EINVAL, cond_ctx.wait());
275
276	expect_unlock_exclusive_lock(*ictx);
277	}
278
279	TEST_F(TestMockObjectMapSnapshotRemoveRequest, ScrubCleanObjects) {
280	REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
281
282	librbd::ImageCtx *ictx;
283	ASSERT_EQ(0, open_image(m_image_name, &ictx));
b32b8144 FG	284	librbd::NoOpProgressContext prog_ctx;
	285	uint64_t size = 4294967296; // 4GB = 1024 * 4MB
	286	ASSERT_EQ(0, resize(ictx, size));
	287
	288	// update image objectmap for snap inherit
	289	ceph::BitVector<2> object_map;
	290	object_map.resize(1024);
	291	for (uint64_t i = 512; i < object_map.size(); ++i) {
	292	object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT;
	293	}
	294
	295	C_SaferCond cond_ctx1;
	296	{
11fdf7f2	297	librbd::ObjectMap om(*ictx, ictx->snap_id);
b32b8144 FG	298	RWLock::RLocker owner_locker(ictx->owner_lock);
	299	RWLock::WLocker snap_locker(ictx->snap_lock);
	300	om.set_object_map(object_map);
	301	om.aio_save(&cond_ctx1);
	302	}
	303	ASSERT_EQ(0, cond_ctx1.wait());
7c673cae FG	304	ASSERT_EQ(0, snap_create(*ictx, "snap1"));
	305	ASSERT_EQ(0, ictx->state->refresh_if_required());
	306
b32b8144	307	// simutate the image objectmap state after creating snap
7c673cae FG	308	for (uint64_t i = 512; i < object_map.size(); ++i) {
	309	object_map[i] = i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT;
	310	}
	311
b32b8144 FG	312	C_SaferCond cond_ctx2;
b32b8144 FG	313	uint64_t snap_id = ictx->snap_info.rbegin()->first;
7c673cae	314	AsyncRequest<> *request = new SnapshotRemoveRequest(
b32b8144	315	*ictx, &object_map, snap_id, &cond_ctx2);
7c673cae FG	316	{
	317	RWLock::RLocker owner_locker(ictx->owner_lock);
	318	RWLock::WLocker snap_locker(ictx->snap_lock);
	319	request->send();
	320	}
b32b8144	321	ASSERT_EQ(0, cond_ctx2.wait());
7c673cae FG	322
	323	for (uint64_t i = 512; i < object_map.size(); ++i) {
	324	ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT,
	325	object_map[i]);
	326	}
	327	}
	328
	329	} // namespace object_map
	330	} // namespace librbd