+TEST(BlueFS, test_replay_growth) {
+ uint64_t size = 1048576LL * (2 * 1024 + 128);
+ TempBdev bdev{size};
+
+ ConfSaver conf(g_ceph_context->_conf);
+ conf.SetVal("bluefs_alloc_size", "4096");
+ conf.SetVal("bluefs_shared_alloc_size", "4096");
+ conf.SetVal("bluefs_compact_log_sync", "false");
+ conf.SetVal("bluefs_min_log_runway", "32768");
+ conf.SetVal("bluefs_max_log_runway", "65536");
+ conf.SetVal("bluefs_allocator", "stupid");
+ conf.SetVal("bluefs_sync_write", "true");
+ conf.ApplyChanges();
+
+ BlueFS fs(g_ceph_context);
+ ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false));
+ fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576);
+ uuid_d fsid;
+ ASSERT_EQ(0, fs.mkfs(fsid, { BlueFS::BDEV_DB, false, false }));
+ ASSERT_EQ(0, fs.mount());
+ ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, false, false }));
+ ASSERT_EQ(0, fs.mkdir("dir"));
+
+ char data[2000];
+ BlueFS::FileWriter *h;
+ ASSERT_EQ(0, fs.open_for_write("dir", "file", &h, false));
+ for (size_t i = 0; i < 10000; i++) {
+ h->append(data, 2000);
+ fs.fsync(h);
+ }
+ fs.close_writer(h);
+ fs.umount(true); //do not compact on exit!
+
+ // remount and check log can replay safe?
+ ASSERT_EQ(0, fs.mount());
+ ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, false, false }));
+ fs.umount();
+}
+