]>
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/librbd/mock/MockImageCtx.h" | |
92f5a8d4 | 7 | #include "test/librbd/mock/exclusive_lock/MockPolicy.h" |
f67539c2 | 8 | #include "test/librbd/mock/io/MockImageDispatch.h" |
7c673cae FG |
9 | #include "librbd/ExclusiveLock.h" |
10 | #include "librbd/ManagedLock.h" | |
f67539c2 | 11 | #include "librbd/exclusive_lock/ImageDispatch.h" |
7c673cae FG |
12 | #include "librbd/exclusive_lock/PreAcquireRequest.h" |
13 | #include "librbd/exclusive_lock/PostAcquireRequest.h" | |
14 | #include "librbd/exclusive_lock/PreReleaseRequest.h" | |
15 | #include "gmock/gmock.h" | |
16 | #include "gtest/gtest.h" | |
17 | #include <list> | |
9f95a23c | 18 | #include <boost/scope_exit.hpp> |
7c673cae FG |
19 | |
20 | namespace librbd { | |
21 | ||
22 | namespace { | |
23 | ||
24 | struct MockExclusiveLockImageCtx : public MockImageCtx { | |
f67539c2 | 25 | asio::ContextWQ *op_work_queue; |
7c673cae FG |
26 | |
27 | MockExclusiveLockImageCtx(ImageCtx &image_ctx) : MockImageCtx(image_ctx) { | |
28 | op_work_queue = image_ctx.op_work_queue; | |
29 | } | |
30 | }; | |
31 | ||
32 | } // anonymous namespace | |
33 | ||
34 | namespace watcher { | |
35 | template <> | |
36 | struct Traits<MockExclusiveLockImageCtx> { | |
37 | typedef librbd::MockImageWatcher Watcher; | |
38 | }; | |
39 | } | |
40 | ||
41 | template <> | |
42 | struct ManagedLock<MockExclusiveLockImageCtx> { | |
f67539c2 | 43 | ManagedLock(librados::IoCtx& ioctx, AsioEngine& asio_engine, |
7c673cae | 44 | const std::string& oid, librbd::MockImageWatcher *watcher, |
f67539c2 TL |
45 | managed_lock::Mode mode, bool blocklist_on_break_lock, |
46 | uint32_t blocklist_expire_seconds) | |
9f95a23c | 47 | {} |
7c673cae FG |
48 | |
49 | virtual ~ManagedLock() = default; | |
50 | ||
9f95a23c | 51 | mutable ceph::mutex m_lock = ceph::make_mutex("ManagedLock::m_lock"); |
7c673cae FG |
52 | |
53 | virtual void shutdown_handler(int r, Context *) = 0; | |
54 | virtual void pre_acquire_lock_handler(Context *) = 0; | |
55 | virtual void post_acquire_lock_handler(int, Context *) = 0; | |
56 | virtual void pre_release_lock_handler(bool, Context *) = 0; | |
57 | virtual void post_release_lock_handler(bool, int, Context *) = 0; | |
31f18b77 | 58 | virtual void post_reacquire_lock_handler(int, Context *) = 0; |
7c673cae FG |
59 | |
60 | MOCK_CONST_METHOD0(is_lock_owner, bool()); | |
61 | ||
62 | MOCK_METHOD1(shut_down, void(Context*)); | |
63 | MOCK_METHOD1(acquire_lock, void(Context*)); | |
64 | ||
65 | void set_state_uninitialized() { | |
66 | } | |
67 | ||
68 | MOCK_METHOD0(set_state_initializing, void()); | |
69 | MOCK_METHOD0(set_state_unlocked, void()); | |
70 | MOCK_METHOD0(set_state_waiting_for_lock, void()); | |
71 | MOCK_METHOD0(set_state_post_acquiring, void()); | |
72 | ||
73 | MOCK_CONST_METHOD0(is_state_shutdown, bool()); | |
74 | MOCK_CONST_METHOD0(is_state_acquiring, bool()); | |
75 | MOCK_CONST_METHOD0(is_state_post_acquiring, bool()); | |
76 | MOCK_CONST_METHOD0(is_state_releasing, bool()); | |
77 | MOCK_CONST_METHOD0(is_state_pre_releasing, bool()); | |
78 | MOCK_CONST_METHOD0(is_state_locked, bool()); | |
79 | MOCK_CONST_METHOD0(is_state_waiting_for_lock, bool()); | |
80 | ||
81 | MOCK_CONST_METHOD0(is_action_acquire_lock, bool()); | |
82 | MOCK_METHOD0(execute_next_action, void()); | |
83 | ||
84 | }; | |
85 | ||
86 | namespace exclusive_lock { | |
87 | ||
88 | using librbd::ImageWatcher; | |
89 | ||
90 | template<typename T> | |
91 | struct BaseRequest { | |
92 | static std::list<T *> s_requests; | |
93 | Context *on_lock_unlock = nullptr; | |
94 | Context *on_finish = nullptr; | |
95 | ||
96 | static T* create(MockExclusiveLockImageCtx &image_ctx, | |
97 | Context *on_lock_unlock, Context *on_finish) { | |
11fdf7f2 | 98 | ceph_assert(!s_requests.empty()); |
7c673cae FG |
99 | T* req = s_requests.front(); |
100 | req->on_lock_unlock = on_lock_unlock; | |
101 | req->on_finish = on_finish; | |
102 | s_requests.pop_front(); | |
103 | return req; | |
104 | } | |
105 | ||
106 | BaseRequest() { | |
107 | s_requests.push_back(reinterpret_cast<T*>(this)); | |
108 | } | |
109 | }; | |
110 | ||
111 | template<typename T> | |
112 | std::list<T *> BaseRequest<T>::s_requests; | |
113 | ||
f67539c2 TL |
114 | template<> |
115 | struct ImageDispatch<MockExclusiveLockImageCtx> | |
116 | : public librbd::io::MockImageDispatch { | |
117 | static ImageDispatch* s_instance; | |
118 | static ImageDispatch* create(MockExclusiveLockImageCtx*) { | |
119 | ceph_assert(s_instance != nullptr); | |
120 | return s_instance; | |
121 | } | |
122 | ||
123 | void destroy() { | |
124 | } | |
125 | ||
126 | ImageDispatch() { | |
127 | s_instance = this; | |
128 | } | |
129 | ||
130 | io::ImageDispatchLayer get_dispatch_layer() const override { | |
131 | return io::IMAGE_DISPATCH_LAYER_EXCLUSIVE_LOCK; | |
132 | } | |
133 | ||
134 | MOCK_METHOD3(set_require_lock, void(bool, io::Direction, Context*)); | |
135 | MOCK_METHOD1(unset_require_lock, void(io::Direction)); | |
136 | ||
137 | }; | |
138 | ||
139 | ImageDispatch<MockExclusiveLockImageCtx>* ImageDispatch<MockExclusiveLockImageCtx>::s_instance = nullptr; | |
140 | ||
7c673cae FG |
141 | template <> |
142 | struct PreAcquireRequest<MockExclusiveLockImageCtx> : public BaseRequest<PreAcquireRequest<MockExclusiveLockImageCtx> > { | |
143 | static PreAcquireRequest<MockExclusiveLockImageCtx> *create( | |
144 | MockExclusiveLockImageCtx &image_ctx, Context *on_finish) { | |
145 | return BaseRequest::create(image_ctx, nullptr, on_finish); | |
146 | } | |
147 | MOCK_METHOD0(send, void()); | |
148 | }; | |
149 | ||
150 | template <> | |
151 | struct PostAcquireRequest<MockExclusiveLockImageCtx> : public BaseRequest<PostAcquireRequest<MockExclusiveLockImageCtx> > { | |
152 | MOCK_METHOD0(send, void()); | |
153 | }; | |
154 | ||
155 | template <> | |
156 | struct PreReleaseRequest<MockExclusiveLockImageCtx> : public BaseRequest<PreReleaseRequest<MockExclusiveLockImageCtx> > { | |
157 | static PreReleaseRequest<MockExclusiveLockImageCtx> *create( | |
f67539c2 TL |
158 | MockExclusiveLockImageCtx &image_ctx, |
159 | ImageDispatch<MockExclusiveLockImageCtx>* ImageDispatch, | |
160 | bool shutting_down, AsyncOpTracker &async_op_tracker, | |
161 | Context *on_finish) { | |
7c673cae FG |
162 | return BaseRequest::create(image_ctx, nullptr, on_finish); |
163 | } | |
164 | MOCK_METHOD0(send, void()); | |
165 | }; | |
166 | ||
167 | } // namespace exclusive_lock | |
168 | } // namespace librbd | |
169 | ||
170 | // template definitions | |
171 | #include "librbd/ExclusiveLock.cc" | |
172 | ||
173 | ACTION_P(FinishLockUnlock, request) { | |
174 | if (request->on_lock_unlock != nullptr) { | |
175 | request->on_lock_unlock->complete(0); | |
176 | } | |
177 | } | |
178 | ||
179 | ACTION_P2(CompleteRequest, request, ret) { | |
180 | request->on_finish->complete(ret); | |
181 | } | |
182 | ||
183 | namespace librbd { | |
184 | ||
185 | using ::testing::_; | |
186 | using ::testing::DoAll; | |
187 | using ::testing::Invoke; | |
188 | using ::testing::InSequence; | |
189 | using ::testing::Return; | |
f67539c2 | 190 | using ::testing::WithArg; |
7c673cae FG |
191 | |
192 | class TestMockExclusiveLock : public TestMockFixture { | |
193 | public: | |
194 | typedef ManagedLock<MockExclusiveLockImageCtx> MockManagedLock; | |
195 | typedef ExclusiveLock<MockExclusiveLockImageCtx> MockExclusiveLock; | |
f67539c2 | 196 | typedef exclusive_lock::ImageDispatch<MockExclusiveLockImageCtx> MockImageDispatch; |
7c673cae FG |
197 | typedef exclusive_lock::PreAcquireRequest<MockExclusiveLockImageCtx> MockPreAcquireRequest; |
198 | typedef exclusive_lock::PostAcquireRequest<MockExclusiveLockImageCtx> MockPostAcquireRequest; | |
199 | typedef exclusive_lock::PreReleaseRequest<MockExclusiveLockImageCtx> MockPreReleaseRequest; | |
200 | ||
f67539c2 | 201 | |
9f95a23c TL |
202 | void expect_set_state_initializing(MockManagedLock *managed_lock) { |
203 | EXPECT_CALL(*managed_lock, set_state_initializing()); | |
7c673cae FG |
204 | } |
205 | ||
9f95a23c TL |
206 | void expect_set_state_unlocked(MockManagedLock *managed_lock) { |
207 | EXPECT_CALL(*managed_lock, set_state_unlocked()); | |
7c673cae FG |
208 | } |
209 | ||
9f95a23c TL |
210 | void expect_set_state_waiting_for_lock(MockManagedLock *managed_lock) { |
211 | EXPECT_CALL(*managed_lock, set_state_waiting_for_lock()); | |
7c673cae FG |
212 | } |
213 | ||
9f95a23c TL |
214 | void expect_set_state_post_acquiring(MockManagedLock *managed_lock) { |
215 | EXPECT_CALL(*managed_lock, set_state_post_acquiring()); | |
11fdf7f2 TL |
216 | } |
217 | ||
9f95a23c TL |
218 | void expect_is_state_acquiring(MockManagedLock *managed_lock, bool ret_val) { |
219 | EXPECT_CALL(*managed_lock, is_state_acquiring()) | |
7c673cae FG |
220 | .WillOnce(Return(ret_val)); |
221 | } | |
222 | ||
9f95a23c | 223 | void expect_is_state_waiting_for_lock(MockManagedLock *managed_lock, |
7c673cae | 224 | bool ret_val) { |
9f95a23c | 225 | EXPECT_CALL(*managed_lock, is_state_waiting_for_lock()) |
7c673cae FG |
226 | .WillOnce(Return(ret_val)); |
227 | } | |
228 | ||
9f95a23c | 229 | void expect_is_state_pre_releasing(MockManagedLock *managed_lock, |
7c673cae | 230 | bool ret_val) { |
9f95a23c | 231 | EXPECT_CALL(*managed_lock, is_state_pre_releasing()) |
7c673cae FG |
232 | .WillOnce(Return(ret_val)); |
233 | } | |
234 | ||
9f95a23c TL |
235 | void expect_is_state_releasing(MockManagedLock *managed_lock, bool ret_val) { |
236 | EXPECT_CALL(*managed_lock, is_state_releasing()) | |
7c673cae FG |
237 | .WillOnce(Return(ret_val)); |
238 | } | |
239 | ||
9f95a23c TL |
240 | void expect_is_state_locked(MockManagedLock *managed_lock, bool ret_val) { |
241 | EXPECT_CALL(*managed_lock, is_state_locked()) | |
7c673cae FG |
242 | .WillOnce(Return(ret_val)); |
243 | } | |
244 | ||
9f95a23c TL |
245 | void expect_is_state_shutdown(MockManagedLock *managed_lock, bool ret_val) { |
246 | EXPECT_CALL(*managed_lock, is_state_shutdown()) | |
7c673cae FG |
247 | .WillOnce(Return(ret_val)); |
248 | } | |
249 | ||
9f95a23c | 250 | void expect_is_action_acquire_lock(MockManagedLock *managed_lock, |
7c673cae | 251 | bool ret_val) { |
9f95a23c | 252 | EXPECT_CALL(*managed_lock, is_action_acquire_lock()) |
7c673cae FG |
253 | .WillOnce(Return(ret_val)); |
254 | } | |
255 | ||
f67539c2 TL |
256 | void expect_set_require_lock(MockImageDispatch &mock_image_dispatch, |
257 | bool init_shutdown, io::Direction direction) { | |
258 | EXPECT_CALL(mock_image_dispatch, set_require_lock(init_shutdown, | |
259 | direction, _)) | |
260 | .WillOnce(WithArg<2>(Invoke([](Context* ctx) { ctx->complete(0); }))); | |
7c673cae FG |
261 | } |
262 | ||
f67539c2 TL |
263 | void expect_set_require_lock(MockExclusiveLockImageCtx &mock_image_ctx, |
264 | MockImageDispatch &mock_image_dispatch, | |
265 | bool init_shutdown) { | |
224ce89b | 266 | if (mock_image_ctx.clone_copy_on_read || |
f67539c2 TL |
267 | (mock_image_ctx.features & RBD_FEATURE_JOURNALING) != 0 || |
268 | is_rbd_pwl_enabled(mock_image_ctx.cct)) { | |
269 | expect_set_require_lock(mock_image_dispatch, init_shutdown, | |
270 | io::DIRECTION_BOTH); | |
224ce89b | 271 | } else { |
f67539c2 TL |
272 | expect_set_require_lock(mock_image_dispatch, init_shutdown, |
273 | io::DIRECTION_WRITE); | |
7c673cae FG |
274 | } |
275 | } | |
276 | ||
f67539c2 TL |
277 | void expect_unset_require_lock(MockImageDispatch &mock_image_dispatch) { |
278 | EXPECT_CALL(mock_image_dispatch, unset_require_lock(io::DIRECTION_BOTH)); | |
279 | } | |
280 | ||
281 | void expect_register_dispatch(MockExclusiveLockImageCtx &mock_image_ctx) { | |
282 | EXPECT_CALL(*mock_image_ctx.io_image_dispatcher, register_dispatch(_)); | |
283 | } | |
284 | ||
285 | void expect_shut_down_dispatch(MockExclusiveLockImageCtx &mock_image_ctx) { | |
286 | EXPECT_CALL(*mock_image_ctx.io_image_dispatcher, shut_down_dispatch(_, _)) | |
287 | .WillOnce(WithArg<1>(Invoke([](Context* ctx) { | |
288 | ctx->complete(0); | |
289 | }))); | |
7c673cae FG |
290 | } |
291 | ||
292 | void expect_prepare_lock_complete(MockExclusiveLockImageCtx &mock_image_ctx) { | |
293 | EXPECT_CALL(*mock_image_ctx.state, handle_prepare_lock_complete()); | |
294 | } | |
295 | ||
296 | void expect_pre_acquire_request(MockPreAcquireRequest &pre_acquire_request, | |
297 | int r) { | |
298 | EXPECT_CALL(pre_acquire_request, send()) | |
299 | .WillOnce(CompleteRequest(&pre_acquire_request, r)); | |
300 | } | |
301 | ||
9f95a23c | 302 | void expect_post_acquire_request(MockExclusiveLock *mock_exclusive_lock, |
11fdf7f2 | 303 | MockPostAcquireRequest &post_acquire_request, |
7c673cae FG |
304 | int r) { |
305 | EXPECT_CALL(post_acquire_request, send()) | |
11fdf7f2 TL |
306 | .WillOnce(DoAll(FinishLockUnlock(&post_acquire_request), |
307 | CompleteRequest(&post_acquire_request, r))); | |
308 | expect_set_state_post_acquiring(mock_exclusive_lock); | |
7c673cae FG |
309 | } |
310 | ||
311 | void expect_pre_release_request(MockPreReleaseRequest &pre_release_request, | |
312 | int r) { | |
313 | EXPECT_CALL(pre_release_request, send()) | |
314 | .WillOnce(CompleteRequest(&pre_release_request, r)); | |
315 | } | |
316 | ||
317 | void expect_notify_request_lock(MockExclusiveLockImageCtx &mock_image_ctx, | |
9f95a23c | 318 | MockExclusiveLock *mock_exclusive_lock) { |
7c673cae FG |
319 | EXPECT_CALL(*mock_image_ctx.image_watcher, notify_request_lock()); |
320 | } | |
321 | ||
322 | void expect_notify_acquired_lock(MockExclusiveLockImageCtx &mock_image_ctx) { | |
323 | EXPECT_CALL(*mock_image_ctx.image_watcher, notify_acquired_lock()) | |
324 | .Times(1); | |
325 | } | |
326 | ||
327 | void expect_notify_released_lock(MockExclusiveLockImageCtx &mock_image_ctx) { | |
328 | EXPECT_CALL(*mock_image_ctx.image_watcher, notify_released_lock()) | |
329 | .Times(1); | |
330 | } | |
331 | ||
7c673cae FG |
332 | void expect_flush_notifies(MockExclusiveLockImageCtx &mock_image_ctx) { |
333 | EXPECT_CALL(*mock_image_ctx.image_watcher, flush(_)) | |
334 | .WillOnce(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)); | |
335 | } | |
336 | ||
9f95a23c TL |
337 | void expect_shut_down(MockManagedLock *managed_lock) { |
338 | EXPECT_CALL(*managed_lock, shut_down(_)) | |
f67539c2 | 339 | .WillOnce(CompleteContext(0, static_cast<asio::ContextWQ*>(nullptr))); |
7c673cae FG |
340 | } |
341 | ||
92f5a8d4 TL |
342 | void expect_accept_blocked_request( |
343 | MockExclusiveLockImageCtx &mock_image_ctx, | |
344 | exclusive_lock::MockPolicy &policy, | |
345 | exclusive_lock::OperationRequestType request_type, bool value) { | |
346 | EXPECT_CALL(mock_image_ctx, get_exclusive_lock_policy()) | |
347 | .WillOnce(Return(&policy)); | |
348 | EXPECT_CALL(policy, accept_blocked_request(request_type)) | |
349 | .WillOnce(Return(value)); | |
350 | } | |
351 | ||
7c673cae | 352 | int when_init(MockExclusiveLockImageCtx &mock_image_ctx, |
9f95a23c | 353 | MockExclusiveLock *exclusive_lock) { |
7c673cae FG |
354 | C_SaferCond ctx; |
355 | { | |
9f95a23c TL |
356 | std::unique_lock owner_locker{mock_image_ctx.owner_lock}; |
357 | exclusive_lock->init(mock_image_ctx.features, &ctx); | |
7c673cae FG |
358 | } |
359 | return ctx.wait(); | |
360 | } | |
361 | ||
9f95a23c | 362 | int when_pre_acquire_lock_handler(MockManagedLock *managed_lock) { |
7c673cae | 363 | C_SaferCond ctx; |
9f95a23c | 364 | managed_lock->pre_acquire_lock_handler(&ctx); |
7c673cae FG |
365 | return ctx.wait(); |
366 | } | |
367 | ||
9f95a23c | 368 | int when_post_acquire_lock_handler(MockManagedLock *managed_lock, int r) { |
7c673cae | 369 | C_SaferCond ctx; |
9f95a23c | 370 | managed_lock->post_acquire_lock_handler(r, &ctx); |
7c673cae FG |
371 | return ctx.wait(); |
372 | } | |
373 | ||
9f95a23c | 374 | int when_pre_release_lock_handler(MockManagedLock *managed_lock, |
7c673cae FG |
375 | bool shutting_down) { |
376 | C_SaferCond ctx; | |
9f95a23c | 377 | managed_lock->pre_release_lock_handler(shutting_down, &ctx); |
7c673cae FG |
378 | return ctx.wait(); |
379 | } | |
380 | ||
9f95a23c | 381 | int when_post_release_lock_handler(MockManagedLock *managed_lock, |
7c673cae FG |
382 | bool shutting_down, int r) { |
383 | C_SaferCond ctx; | |
9f95a23c | 384 | managed_lock->post_release_lock_handler(shutting_down, r, &ctx); |
7c673cae FG |
385 | return ctx.wait(); |
386 | } | |
387 | ||
9f95a23c | 388 | int when_post_reacquire_lock_handler(MockManagedLock *managed_lock, int r) { |
31f18b77 | 389 | C_SaferCond ctx; |
9f95a23c | 390 | managed_lock->post_reacquire_lock_handler(r, &ctx); |
31f18b77 FG |
391 | return ctx.wait(); |
392 | } | |
393 | ||
7c673cae | 394 | int when_shut_down(MockExclusiveLockImageCtx &mock_image_ctx, |
9f95a23c | 395 | MockExclusiveLock *exclusive_lock) { |
7c673cae FG |
396 | C_SaferCond ctx; |
397 | { | |
9f95a23c TL |
398 | std::unique_lock owner_locker{mock_image_ctx.owner_lock}; |
399 | exclusive_lock->shut_down(&ctx); | |
7c673cae FG |
400 | } |
401 | return ctx.wait(); | |
402 | } | |
403 | ||
404 | bool is_lock_owner(MockExclusiveLockImageCtx &mock_image_ctx, | |
9f95a23c TL |
405 | MockExclusiveLock *exclusive_lock) { |
406 | std::shared_lock owner_locker{mock_image_ctx.owner_lock}; | |
407 | return exclusive_lock->is_lock_owner(); | |
7c673cae FG |
408 | } |
409 | }; | |
410 | ||
411 | TEST_F(TestMockExclusiveLock, StateTransitions) { | |
412 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
413 | ||
414 | librbd::ImageCtx *ictx; | |
415 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
416 | ||
417 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 418 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
419 | expect_op_work_queue(mock_image_ctx); |
420 | ||
9f95a23c TL |
421 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
422 | exclusive_lock->put(); | |
423 | } BOOST_SCOPE_EXIT_END | |
424 | ||
7c673cae FG |
425 | InSequence seq; |
426 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
427 | MockImageDispatch mock_image_dispatch; |
428 | expect_register_dispatch(mock_image_ctx); | |
429 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
430 | expect_set_state_unlocked(exclusive_lock); |
431 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
432 | ||
433 | // (try) acquire lock | |
434 | MockPreAcquireRequest try_lock_pre_acquire; | |
435 | expect_pre_acquire_request(try_lock_pre_acquire, 0); | |
436 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
437 | ||
438 | MockPostAcquireRequest try_lock_post_acquire; | |
11fdf7f2 | 439 | expect_post_acquire_request(exclusive_lock, try_lock_post_acquire, 0); |
7c673cae FG |
440 | expect_is_state_acquiring(exclusive_lock, true); |
441 | expect_notify_acquired_lock(mock_image_ctx); | |
f67539c2 | 442 | expect_unset_require_lock(mock_image_dispatch); |
7c673cae FG |
443 | ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, 0)); |
444 | ||
445 | // release lock | |
446 | MockPreReleaseRequest pre_request_release; | |
447 | expect_pre_release_request(pre_request_release, 0); | |
448 | ASSERT_EQ(0, when_pre_release_lock_handler(exclusive_lock, false)); | |
449 | ||
450 | expect_is_state_pre_releasing(exclusive_lock, false); | |
451 | expect_is_state_releasing(exclusive_lock, true); | |
452 | expect_notify_released_lock(mock_image_ctx); | |
7c673cae FG |
453 | ASSERT_EQ(0, when_post_release_lock_handler(exclusive_lock, false, 0)); |
454 | ||
455 | // (try) acquire lock | |
456 | MockPreAcquireRequest request_lock_pre_acquire; | |
457 | expect_pre_acquire_request(request_lock_pre_acquire, 0); | |
458 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
459 | ||
460 | MockPostAcquireRequest request_lock_post_acquire; | |
11fdf7f2 | 461 | expect_post_acquire_request(exclusive_lock, request_lock_post_acquire, 0); |
7c673cae FG |
462 | expect_is_state_acquiring(exclusive_lock, true); |
463 | expect_notify_acquired_lock(mock_image_ctx); | |
f67539c2 | 464 | expect_unset_require_lock(mock_image_dispatch); |
7c673cae FG |
465 | ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, 0)); |
466 | ||
467 | // shut down (and release) | |
468 | expect_shut_down(exclusive_lock); | |
469 | expect_is_state_waiting_for_lock(exclusive_lock, false); | |
470 | ASSERT_EQ(0, when_shut_down(mock_image_ctx, exclusive_lock)); | |
471 | ||
472 | MockPreReleaseRequest shutdown_pre_release; | |
473 | expect_pre_release_request(shutdown_pre_release, 0); | |
474 | ASSERT_EQ(0, when_pre_release_lock_handler(exclusive_lock, true)); | |
475 | ||
f67539c2 | 476 | expect_shut_down_dispatch(mock_image_ctx); |
7c673cae FG |
477 | expect_notify_released_lock(mock_image_ctx); |
478 | ASSERT_EQ(0, when_post_release_lock_handler(exclusive_lock, true, 0)); | |
479 | } | |
480 | ||
481 | TEST_F(TestMockExclusiveLock, TryLockAlreadyLocked) { | |
482 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
483 | ||
484 | librbd::ImageCtx *ictx; | |
485 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
486 | ||
487 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 488 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
489 | expect_op_work_queue(mock_image_ctx); |
490 | ||
9f95a23c TL |
491 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
492 | exclusive_lock->put(); | |
493 | } BOOST_SCOPE_EXIT_END | |
494 | ||
7c673cae | 495 | expect_set_state_initializing(exclusive_lock); |
f67539c2 TL |
496 | MockImageDispatch mock_image_dispatch; |
497 | expect_register_dispatch(mock_image_ctx); | |
498 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
499 | expect_set_state_unlocked(exclusive_lock); |
500 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
501 | ||
502 | // try acquire lock | |
503 | MockPreAcquireRequest try_lock_pre_acquire; | |
504 | expect_pre_acquire_request(try_lock_pre_acquire, 0); | |
505 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
506 | ||
507 | expect_is_state_acquiring(exclusive_lock, true); | |
508 | expect_prepare_lock_complete(mock_image_ctx); | |
509 | expect_is_action_acquire_lock(exclusive_lock, false); | |
510 | ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, -EAGAIN)); | |
511 | } | |
512 | ||
513 | TEST_F(TestMockExclusiveLock, TryLockError) { | |
514 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
515 | ||
516 | librbd::ImageCtx *ictx; | |
517 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
518 | ||
519 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 520 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
521 | expect_op_work_queue(mock_image_ctx); |
522 | ||
9f95a23c TL |
523 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
524 | exclusive_lock->put(); | |
525 | } BOOST_SCOPE_EXIT_END | |
526 | ||
7c673cae FG |
527 | InSequence seq; |
528 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
529 | MockImageDispatch mock_image_dispatch; |
530 | expect_register_dispatch(mock_image_ctx); | |
531 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
532 | expect_set_state_unlocked(exclusive_lock); |
533 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
534 | ||
535 | // try acquire lock | |
536 | MockPreAcquireRequest try_lock_pre_acquire; | |
537 | expect_pre_acquire_request(try_lock_pre_acquire, 0); | |
538 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
539 | ||
540 | expect_is_state_acquiring(exclusive_lock, true); | |
541 | expect_prepare_lock_complete(mock_image_ctx); | |
542 | expect_is_action_acquire_lock(exclusive_lock, false); | |
543 | ASSERT_EQ(-EBUSY, when_post_acquire_lock_handler(exclusive_lock, -EBUSY)); | |
544 | } | |
545 | ||
546 | TEST_F(TestMockExclusiveLock, AcquireLockAlreadyLocked) { | |
547 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
548 | ||
549 | librbd::ImageCtx *ictx; | |
550 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
551 | ||
552 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 553 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
554 | expect_op_work_queue(mock_image_ctx); |
555 | ||
9f95a23c TL |
556 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
557 | exclusive_lock->put(); | |
558 | } BOOST_SCOPE_EXIT_END | |
559 | ||
7c673cae FG |
560 | InSequence seq; |
561 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
562 | MockImageDispatch mock_image_dispatch; |
563 | expect_register_dispatch(mock_image_ctx); | |
564 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
565 | expect_set_state_unlocked(exclusive_lock); |
566 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
567 | ||
568 | // acquire lock | |
569 | MockPreAcquireRequest try_lock_pre_acquire; | |
570 | expect_pre_acquire_request(try_lock_pre_acquire, 0); | |
571 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
572 | ||
573 | expect_is_state_acquiring(exclusive_lock, true); | |
574 | expect_prepare_lock_complete(mock_image_ctx); | |
575 | expect_is_action_acquire_lock(exclusive_lock, true); | |
576 | expect_set_state_waiting_for_lock(exclusive_lock); | |
577 | expect_notify_request_lock(mock_image_ctx, exclusive_lock); | |
578 | ASSERT_EQ(-ECANCELED, when_post_acquire_lock_handler(exclusive_lock, | |
579 | -EAGAIN)); | |
580 | } | |
581 | ||
582 | TEST_F(TestMockExclusiveLock, AcquireLockBusy) { | |
583 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
584 | ||
585 | librbd::ImageCtx *ictx; | |
586 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
587 | ||
588 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 589 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
590 | expect_op_work_queue(mock_image_ctx); |
591 | ||
9f95a23c TL |
592 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
593 | exclusive_lock->put(); | |
594 | } BOOST_SCOPE_EXIT_END | |
595 | ||
7c673cae FG |
596 | InSequence seq; |
597 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
598 | MockImageDispatch mock_image_dispatch; |
599 | expect_register_dispatch(mock_image_ctx); | |
600 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
601 | expect_set_state_unlocked(exclusive_lock); |
602 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
603 | ||
604 | // acquire lock | |
605 | MockPreAcquireRequest try_lock_pre_acquire; | |
606 | expect_pre_acquire_request(try_lock_pre_acquire, 0); | |
607 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
608 | ||
609 | expect_is_state_acquiring(exclusive_lock, true); | |
610 | expect_prepare_lock_complete(mock_image_ctx); | |
611 | expect_is_action_acquire_lock(exclusive_lock, true); | |
612 | expect_set_state_waiting_for_lock(exclusive_lock); | |
613 | expect_notify_request_lock(mock_image_ctx, exclusive_lock); | |
614 | ASSERT_EQ(-ECANCELED, when_post_acquire_lock_handler(exclusive_lock, | |
615 | -EBUSY)); | |
616 | } | |
617 | ||
618 | TEST_F(TestMockExclusiveLock, AcquireLockError) { | |
619 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
620 | ||
621 | librbd::ImageCtx *ictx; | |
622 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
623 | ||
624 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 625 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
626 | expect_op_work_queue(mock_image_ctx); |
627 | ||
9f95a23c TL |
628 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
629 | exclusive_lock->put(); | |
630 | } BOOST_SCOPE_EXIT_END | |
631 | ||
7c673cae FG |
632 | InSequence seq; |
633 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
634 | MockImageDispatch mock_image_dispatch; |
635 | expect_register_dispatch(mock_image_ctx); | |
636 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
637 | expect_set_state_unlocked(exclusive_lock); |
638 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
639 | ||
640 | // acquire lock | |
641 | MockPreAcquireRequest try_lock_pre_acquire; | |
642 | expect_pre_acquire_request(try_lock_pre_acquire, 0); | |
643 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
644 | ||
645 | expect_is_state_acquiring(exclusive_lock, true); | |
646 | expect_prepare_lock_complete(mock_image_ctx); | |
647 | expect_is_action_acquire_lock(exclusive_lock, true); | |
f67539c2 TL |
648 | ASSERT_EQ(-EBLOCKLISTED, when_post_acquire_lock_handler(exclusive_lock, |
649 | -EBLOCKLISTED)); | |
7c673cae FG |
650 | } |
651 | ||
652 | TEST_F(TestMockExclusiveLock, PostAcquireLockError) { | |
653 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
654 | ||
655 | librbd::ImageCtx *ictx; | |
656 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
657 | ||
658 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 659 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
660 | expect_op_work_queue(mock_image_ctx); |
661 | ||
9f95a23c TL |
662 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
663 | exclusive_lock->put(); | |
664 | } BOOST_SCOPE_EXIT_END | |
665 | ||
7c673cae FG |
666 | InSequence seq; |
667 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
668 | MockImageDispatch mock_image_dispatch; |
669 | expect_register_dispatch(mock_image_ctx); | |
670 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
671 | expect_set_state_unlocked(exclusive_lock); |
672 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
673 | ||
674 | // (try) acquire lock | |
675 | MockPreAcquireRequest request_lock_pre_acquire; | |
676 | expect_pre_acquire_request(request_lock_pre_acquire, 0); | |
677 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
678 | ||
679 | MockPostAcquireRequest request_lock_post_acquire; | |
11fdf7f2 TL |
680 | expect_post_acquire_request(exclusive_lock, request_lock_post_acquire, |
681 | -EPERM); | |
7c673cae FG |
682 | expect_is_state_acquiring(exclusive_lock, true); |
683 | ASSERT_EQ(-EPERM, when_post_acquire_lock_handler(exclusive_lock, 0)); | |
684 | } | |
685 | ||
686 | TEST_F(TestMockExclusiveLock, PreReleaseLockError) { | |
687 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
688 | ||
689 | librbd::ImageCtx *ictx; | |
690 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
691 | ||
692 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 693 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
7c673cae FG |
694 | expect_op_work_queue(mock_image_ctx); |
695 | ||
9f95a23c TL |
696 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
697 | exclusive_lock->put(); | |
698 | } BOOST_SCOPE_EXIT_END | |
699 | ||
7c673cae FG |
700 | InSequence seq; |
701 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
702 | MockImageDispatch mock_image_dispatch; |
703 | expect_register_dispatch(mock_image_ctx); | |
704 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
705 | expect_set_state_unlocked(exclusive_lock); |
706 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
707 | ||
708 | // release lock | |
709 | MockPreReleaseRequest pre_request_release; | |
710 | expect_pre_release_request(pre_request_release, -EINVAL); | |
711 | ASSERT_EQ(-EINVAL, when_pre_release_lock_handler(exclusive_lock, false)); | |
712 | ||
713 | expect_is_state_pre_releasing(exclusive_lock, true); | |
714 | ASSERT_EQ(-EINVAL, when_post_release_lock_handler(exclusive_lock, false, | |
715 | -EINVAL)); | |
716 | } | |
717 | ||
31f18b77 FG |
718 | TEST_F(TestMockExclusiveLock, ReacquireLock) { |
719 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
720 | ||
721 | librbd::ImageCtx *ictx; | |
722 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
723 | ||
724 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c | 725 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); |
31f18b77 FG |
726 | expect_op_work_queue(mock_image_ctx); |
727 | ||
9f95a23c TL |
728 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
729 | exclusive_lock->put(); | |
730 | } BOOST_SCOPE_EXIT_END | |
731 | ||
31f18b77 FG |
732 | InSequence seq; |
733 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
734 | MockImageDispatch mock_image_dispatch; |
735 | expect_register_dispatch(mock_image_ctx); | |
736 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
31f18b77 FG |
737 | expect_set_state_unlocked(exclusive_lock); |
738 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
739 | ||
740 | // (try) acquire lock | |
741 | MockPreAcquireRequest try_lock_pre_acquire; | |
742 | expect_pre_acquire_request(try_lock_pre_acquire, 0); | |
743 | ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock)); | |
744 | ||
745 | MockPostAcquireRequest try_lock_post_acquire; | |
11fdf7f2 | 746 | expect_post_acquire_request(exclusive_lock, try_lock_post_acquire, 0); |
31f18b77 FG |
747 | expect_is_state_acquiring(exclusive_lock, true); |
748 | expect_notify_acquired_lock(mock_image_ctx); | |
f67539c2 | 749 | expect_unset_require_lock(mock_image_dispatch); |
31f18b77 FG |
750 | ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, 0)); |
751 | ||
752 | // reacquire lock | |
753 | expect_notify_acquired_lock(mock_image_ctx); | |
754 | ASSERT_EQ(0, when_post_reacquire_lock_handler(exclusive_lock, 0)); | |
755 | ||
756 | // shut down (and release) | |
757 | expect_shut_down(exclusive_lock); | |
758 | expect_is_state_waiting_for_lock(exclusive_lock, false); | |
759 | ASSERT_EQ(0, when_shut_down(mock_image_ctx, exclusive_lock)); | |
760 | ||
761 | MockPreReleaseRequest shutdown_pre_release; | |
762 | expect_pre_release_request(shutdown_pre_release, 0); | |
763 | ASSERT_EQ(0, when_pre_release_lock_handler(exclusive_lock, true)); | |
764 | ||
f67539c2 | 765 | expect_shut_down_dispatch(mock_image_ctx); |
31f18b77 FG |
766 | expect_notify_released_lock(mock_image_ctx); |
767 | ASSERT_EQ(0, when_post_release_lock_handler(exclusive_lock, true, 0)); | |
768 | } | |
769 | ||
7c673cae FG |
770 | TEST_F(TestMockExclusiveLock, BlockRequests) { |
771 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
772 | ||
773 | librbd::ImageCtx *ictx; | |
774 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
775 | ||
776 | MockExclusiveLockImageCtx mock_image_ctx(*ictx); | |
9f95a23c TL |
777 | |
778 | MockExclusiveLock *exclusive_lock = new MockExclusiveLock(mock_image_ctx); | |
92f5a8d4 | 779 | exclusive_lock::MockPolicy mock_exclusive_lock_policy; |
7c673cae FG |
780 | |
781 | expect_op_work_queue(mock_image_ctx); | |
782 | ||
9f95a23c TL |
783 | BOOST_SCOPE_EXIT(&exclusive_lock) { |
784 | exclusive_lock->put(); | |
785 | } BOOST_SCOPE_EXIT_END | |
786 | ||
7c673cae FG |
787 | InSequence seq; |
788 | expect_set_state_initializing(exclusive_lock); | |
f67539c2 TL |
789 | MockImageDispatch mock_image_dispatch; |
790 | expect_register_dispatch(mock_image_ctx); | |
791 | expect_set_require_lock(mock_image_ctx, mock_image_dispatch, true); | |
7c673cae FG |
792 | expect_set_state_unlocked(exclusive_lock); |
793 | ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock)); | |
794 | ||
795 | int ret_val; | |
796 | expect_is_state_shutdown(exclusive_lock, false); | |
797 | expect_is_state_locked(exclusive_lock, true); | |
9f95a23c | 798 | ASSERT_TRUE(exclusive_lock->accept_request( |
92f5a8d4 | 799 | exclusive_lock::OPERATION_REQUEST_TYPE_GENERAL, &ret_val)); |
7c673cae FG |
800 | ASSERT_EQ(0, ret_val); |
801 | ||
9f95a23c | 802 | exclusive_lock->block_requests(-EROFS); |
7c673cae FG |
803 | expect_is_state_shutdown(exclusive_lock, false); |
804 | expect_is_state_locked(exclusive_lock, true); | |
92f5a8d4 TL |
805 | expect_accept_blocked_request(mock_image_ctx, mock_exclusive_lock_policy, |
806 | exclusive_lock::OPERATION_REQUEST_TYPE_GENERAL, | |
807 | false); | |
9f95a23c | 808 | ASSERT_FALSE(exclusive_lock->accept_request( |
92f5a8d4 | 809 | exclusive_lock::OPERATION_REQUEST_TYPE_GENERAL, &ret_val)); |
7c673cae FG |
810 | ASSERT_EQ(-EROFS, ret_val); |
811 | ||
92f5a8d4 TL |
812 | expect_is_state_shutdown(exclusive_lock, false); |
813 | expect_is_state_locked(exclusive_lock, true); | |
814 | expect_accept_blocked_request( | |
815 | mock_image_ctx, mock_exclusive_lock_policy, | |
816 | exclusive_lock::OPERATION_REQUEST_TYPE_TRASH_SNAP_REMOVE, true); | |
9f95a23c | 817 | ASSERT_TRUE(exclusive_lock->accept_request( |
92f5a8d4 TL |
818 | exclusive_lock::OPERATION_REQUEST_TYPE_TRASH_SNAP_REMOVE, |
819 | &ret_val)); | |
820 | ASSERT_EQ(0, ret_val); | |
821 | ||
9f95a23c | 822 | exclusive_lock->unblock_requests(); |
7c673cae FG |
823 | expect_is_state_shutdown(exclusive_lock, false); |
824 | expect_is_state_locked(exclusive_lock, true); | |
9f95a23c | 825 | ASSERT_TRUE(exclusive_lock->accept_request( |
92f5a8d4 | 826 | exclusive_lock::OPERATION_REQUEST_TYPE_GENERAL, &ret_val)); |
7c673cae FG |
827 | ASSERT_EQ(0, ret_val); |
828 | } | |
829 | ||
830 | } // namespace librbd | |
831 |