--- /dev/null
+// -*- 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/Operations.h"
+#include "librbd/object_map/UpdateRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace librbd {
+namespace object_map {
+
+using ::testing::_;
+using ::testing::DoDefault;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::StrEq;
+
+class TestMockObjectMapUpdateRequest : public TestMockFixture {
+public:
+ void expect_update(librbd::ImageCtx *ictx, uint64_t snap_id,
+ uint64_t start_object_no, uint64_t end_object_no,
+ uint8_t new_state,
+ const boost::optional<uint8_t>& current_state, int r) {
+ bufferlist bl;
+ ::encode(start_object_no, bl);
+ ::encode(end_object_no, bl);
+ ::encode(new_state, bl);
+ ::encode(current_state, bl);
+
+ std::string oid(ObjectMap<>::object_map_name(ictx->id, snap_id));
+ if (snap_id == CEPH_NOSNAP) {
+ EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
+ exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
+ .WillOnce(DoDefault());
+ }
+
+ if (r < 0) {
+ EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
+ exec(oid, _, StrEq("rbd"), StrEq("object_map_update"),
+ ContentsEqual(bl), _, _))
+ .WillOnce(Return(r));
+ } else {
+ EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
+ exec(oid, _, StrEq("rbd"), StrEq("object_map_update"),
+ ContentsEqual(bl), _, _))
+ .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(TestMockObjectMapUpdateRequest, UpdateInMemory) {
+ REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ librbd::NoOpProgressContext no_progress;
+ ASSERT_EQ(0, ictx->operations->resize(4 << ictx->order, true, no_progress));
+ ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+ ceph::BitVector<2> object_map;
+ object_map.resize(4);
+ for (uint64_t i = 0; i < object_map.size(); ++i) {
+ object_map[i] = i % 4;
+ }
+
+ C_SaferCond cond_ctx;
+ AsyncRequest<> *req = new UpdateRequest<>(
+ *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+ OBJECT_EXISTS, {}, &cond_ctx);
+ {
+ RWLock::RLocker snap_locker(ictx->snap_lock);
+ RWLock::WLocker object_map_locker(ictx->object_map_lock);
+ req->send();
+ }
+ ASSERT_EQ(0, cond_ctx.wait());
+
+ for (uint64_t i = 0; i < object_map.size(); ++i) {
+ if (i % 4 == OBJECT_EXISTS || i % 4 == OBJECT_EXISTS_CLEAN) {
+ ASSERT_EQ(OBJECT_NONEXISTENT, object_map[i]);
+ } else {
+ ASSERT_EQ(i % 4, object_map[i]);
+ }
+ }
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, UpdateHeadOnDisk) {
+ REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+ ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+ expect_update(ictx, CEPH_NOSNAP, 0, 1, OBJECT_NONEXISTENT, OBJECT_EXISTS, 0);
+
+ ceph::BitVector<2> object_map;
+ object_map.resize(1);
+
+ C_SaferCond cond_ctx;
+ AsyncRequest<> *req = new UpdateRequest<>(
+ *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+ OBJECT_EXISTS, {}, &cond_ctx);
+ {
+ RWLock::RLocker snap_locker(ictx->snap_lock);
+ RWLock::WLocker object_map_locker(ictx->object_map_lock);
+ req->send();
+ }
+ ASSERT_EQ(0, cond_ctx.wait());
+
+ expect_unlock_exclusive_lock(*ictx);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, UpdateSnapOnDisk) {
+ 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, librbd::snap_set(ictx,
+ cls::rbd::UserSnapshotNamespace(),
+ "snap1"));
+
+ uint64_t snap_id = ictx->snap_id;
+ expect_update(ictx, snap_id, 0, 1, OBJECT_NONEXISTENT, OBJECT_EXISTS, 0);
+
+ ceph::BitVector<2> object_map;
+ object_map.resize(1);
+
+ C_SaferCond cond_ctx;
+ AsyncRequest<> *req = new UpdateRequest<>(
+ *ictx, &object_map, snap_id, 0, object_map.size(), OBJECT_NONEXISTENT,
+ OBJECT_EXISTS, {}, &cond_ctx);
+ {
+ RWLock::RLocker snap_locker(ictx->snap_lock);
+ RWLock::WLocker object_map_locker(ictx->object_map_lock);
+ req->send();
+ }
+ ASSERT_EQ(0, cond_ctx.wait());
+
+ expect_unlock_exclusive_lock(*ictx);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, UpdateOnDiskError) {
+ REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+ ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+ expect_update(ictx, CEPH_NOSNAP, 0, 1, OBJECT_NONEXISTENT, OBJECT_EXISTS,
+ -EINVAL);
+ expect_invalidate(ictx);
+
+ ceph::BitVector<2> object_map;
+ object_map.resize(1);
+
+ C_SaferCond cond_ctx;
+ AsyncRequest<> *req = new UpdateRequest<>(
+ *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+ OBJECT_EXISTS, {}, &cond_ctx);
+ {
+ RWLock::RLocker snap_locker(ictx->snap_lock);
+ RWLock::WLocker object_map_locker(ictx->object_map_lock);
+ req->send();
+ }
+ ASSERT_EQ(0, cond_ctx.wait());
+
+ expect_unlock_exclusive_lock(*ictx);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, RebuildSnapOnDisk) {
+ 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());
+ ASSERT_EQ(CEPH_NOSNAP, ictx->snap_id);
+
+ uint64_t snap_id = ictx->snap_info.rbegin()->first;
+ expect_update(ictx, snap_id, 0, 1, OBJECT_EXISTS_CLEAN,
+ boost::optional<uint8_t>(), 0);
+ expect_unlock_exclusive_lock(*ictx);
+
+ ceph::BitVector<2> object_map;
+ object_map.resize(1);
+
+ C_SaferCond cond_ctx;
+ AsyncRequest<> *req = new UpdateRequest<>(
+ *ictx, &object_map, snap_id, 0, object_map.size(), OBJECT_EXISTS_CLEAN,
+ boost::optional<uint8_t>(), {}, &cond_ctx);
+ {
+ RWLock::RLocker snap_locker(ictx->snap_lock);
+ RWLock::WLocker object_map_locker(ictx->object_map_lock);
+ req->send();
+ }
+ ASSERT_EQ(0, cond_ctx.wait());
+
+ // do not update the in-memory map if rebuilding a snapshot
+ ASSERT_NE(OBJECT_EXISTS_CLEAN, object_map[0]);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, BatchUpdate) {
+ REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ librbd::NoOpProgressContext no_progress;
+ ASSERT_EQ(0, ictx->operations->resize(712312 * ictx->get_object_size(), false,
+ no_progress));
+ ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+ InSequence seq;
+ expect_update(ictx, CEPH_NOSNAP, 0, 262144, OBJECT_NONEXISTENT, OBJECT_EXISTS,
+ 0);
+ expect_update(ictx, CEPH_NOSNAP, 262144, 524288, OBJECT_NONEXISTENT,
+ OBJECT_EXISTS, 0);
+ expect_update(ictx, CEPH_NOSNAP, 524288, 712312, OBJECT_NONEXISTENT,
+ OBJECT_EXISTS, 0);
+ expect_unlock_exclusive_lock(*ictx);
+
+ ceph::BitVector<2> object_map;
+ object_map.resize(712312);
+
+ C_SaferCond cond_ctx;
+ AsyncRequest<> *req = new UpdateRequest<>(
+ *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+ OBJECT_EXISTS, {}, &cond_ctx);
+ {
+ RWLock::RLocker snap_locker(ictx->snap_lock);
+ RWLock::WLocker object_map_locker(ictx->object_map_lock);
+ req->send();
+ }
+ ASSERT_EQ(0, cond_ctx.wait());
+}
+
+} // namespace object_map
+} // namespace librbd
Code Review / stor4nfv.git / blobdiff