diff --git a/td/telegram/Photo.cpp b/td/telegram/Photo.cpp
index 05b35947..8c0dd00d 100644
--- a/td/telegram/Photo.cpp
+++ b/td/telegram/Photo.cpp
@@ -331,7 +331,7 @@ Variant<PhotoSize, string> get_photo_size(FileManager *file_manager, PhotoSizeSo
     res.type = static_cast<unsigned char>(type[0]);
   }
   if (source.type == PhotoSizeSource::Type::Thumbnail) {
-    source.thumbnail_type = res.type;
+    source.thumbnail().thumbnail_type = res.type;
   }
 
   res.file_id = register_photo(file_manager, source, id, access_hash, file_reference, std::move(location),
diff --git a/td/telegram/Photo.h b/td/telegram/Photo.h
index 3454e819..2fb24ed3 100644
--- a/td/telegram/Photo.h
+++ b/td/telegram/Photo.h
@@ -47,38 +47,146 @@ struct PhotoSize {
   FileId file_id;
 };
 
+struct OfflineInputStickerSet {
+  int64 sticker_set_id = 0;
+  int64 sticker_set_access_hash = 0;
+  OfflineInputStickerSet() = default;
+  OfflineInputStickerSet(int64 sticker_set_id, int64 sticker_set_access_hash)
+      : sticker_set_id(sticker_set_id), sticker_set_access_hash(sticker_set_access_hash) {
+  }
+  tl_object_ptr<telegram_api::InputStickerSet> as_telegram_api() const {
+    return make_tl_object<telegram_api::inputStickerSetID>(sticker_set_id, sticker_set_access_hash);
+  }
+  template <class StorerT>
+  void store(StorerT &storer) const;
+  template <class ParserT>
+  void parse(ParserT &parser);
+  struct AsKey {
+    const OfflineInputStickerSet &key;
+    template <class StorerT>
+    void store(StorerT &storer) const;
+  };
+  AsKey as_key() const {
+    return AsKey{*this};
+  }
+};
+
+struct OfflineInputPeer {
+  DialogId dialog_id;
+  int64 dialog_access_hash = 0;
+  OfflineInputPeer() = default;
+  OfflineInputPeer(DialogId dialog_id, int64 dialog_access_hash)
+      : dialog_id(dialog_id), dialog_access_hash(dialog_access_hash) {
+  }
+  tl_object_ptr<telegram_api::InputPeer> as_telegram_api() const {
+    switch (dialog_id.get_type()) {
+      case DialogType::User: {
+        UserId user_id = dialog_id.get_user_id();
+        return make_tl_object<telegram_api::inputPeerUser>(user_id.get(), dialog_access_hash);
+      }
+      case DialogType::Chat: {
+        ChatId chat_id = dialog_id.get_chat_id();
+        return make_tl_object<telegram_api::inputPeerChat>(chat_id.get());
+      }
+      case DialogType::Channel: {
+        ChannelId channel_id = dialog_id.get_channel_id();
+        return make_tl_object<telegram_api::inputPeerChannel>(channel_id.get(), dialog_access_hash);
+      }
+      case DialogType::SecretChat:
+        return nullptr;
+      case DialogType::None:
+        return make_tl_object<telegram_api::inputPeerEmpty>();
+      default:
+        UNREACHABLE();
+        return nullptr;
+    }  // namespace td
+  }
+
+  template <class StorerT>
+  void store(StorerT &storer) const;
+  template <class ParserT>
+  void parse(ParserT &parser);
+  struct AsKey {
+    const OfflineInputPeer &key;
+    template <class StorerT>
+    void store(StorerT &storer) const;
+  };
+  AsKey as_key() const {
+    return AsKey{*this};
+  }
+};
+
 struct PhotoSizeSource {
-  enum class Type : int32 { Thumbnail, DialogPhoto, StickerSetThumbnail };
+  enum class Type : int32 { Empty, Thumbnail, DialogPhoto, StickerSetThumbnail };
   Type type;
   FileType file_type;
 
   // for photos, document thumbnails, encrypted thumbnails
-  int32 thumbnail_type = 0;
-
+  struct Thumbnail {
+    Thumbnail() = default;
+    Thumbnail(int32 thumbnail_type) : thumbnail_type(thumbnail_type) {
+    }
+    int32 thumbnail_type = 0;
+  };
   // for dialog photos
-  DialogId dialog_id;
-  int64 dialog_access_hash = 0;
-  bool is_big = false;
+  struct DialogPhoto {
+    DialogPhoto() = default;
+    DialogPhoto(OfflineInputPeer input_peer, bool is_big) : input_peer(input_peer), is_big(is_big) {
+    }
 
+    OfflineInputPeer input_peer;
+    bool is_big = false;
+  };
   // for sticker set thumbnails
-  int64 sticker_set_id = 0;
-  int64 sticker_set_access_hash = 0;
+  struct StickerSetThumbnail {
+    StickerSetThumbnail() = default;
+    explicit StickerSetThumbnail(OfflineInputStickerSet input_sticker_set) : input_sticker_set(input_sticker_set) {
+    }
+    OfflineInputStickerSet input_sticker_set;
+  };
+  Variant<Thumbnail, DialogPhoto, StickerSetThumbnail> variant;
+
+  PhotoSizeSource() : type(Type::Empty), file_type(FileType::None) {
+  }
 
   PhotoSizeSource(FileType file_type, int32 thumbnail_type)
-      : type(Type::Thumbnail), file_type(file_type), thumbnail_type(thumbnail_type) {
+      : type(Type::Thumbnail), file_type(file_type), variant(Thumbnail(thumbnail_type)) {
   }
   PhotoSizeSource(DialogId dialog_id, int64 dialog_access_hash, bool is_big)
       : type(Type::DialogPhoto)
       , file_type(FileType::ProfilePhoto)
-      , dialog_id(dialog_id)
-      , dialog_access_hash(dialog_access_hash)
-      , is_big(is_big) {
+      , variant(DialogPhoto(OfflineInputPeer(dialog_id, dialog_access_hash), is_big)) {
   }
   PhotoSizeSource(int64 sticker_set_id, int64 sticker_set_access_hash)
       : type(Type::StickerSetThumbnail)
       , file_type(FileType::Thumbnail)
-      , sticker_set_id(sticker_set_id)
-      , sticker_set_access_hash(sticker_set_access_hash) {
+      , variant(StickerSetThumbnail(OfflineInputStickerSet(sticker_set_id, sticker_set_access_hash))) {
+  }
+
+  Thumbnail &thumbnail() {
+    return variant.get<Thumbnail>();
+  }
+  const Thumbnail &thumbnail() const {
+    return variant.get<Thumbnail>();
+  }
+  const DialogPhoto &dialog_photo() const {
+    return variant.get<DialogPhoto>();
+  }
+  const StickerSetThumbnail &sticker_set_thumbnail() const {
+    return variant.get<StickerSetThumbnail>();
+  }
+
+  template <class StorerT>
+  void store(StorerT &storer) const;
+  template <class ParserT>
+  void parse(ParserT &parser);
+  struct AsKey {
+    const PhotoSizeSource &key;
+    template <class StorerT>
+    void store(StorerT &storer) const;
+  };
+  AsKey as_key() const {
+    return AsKey{*this};
   }
 };
 
diff --git a/td/telegram/Photo.hpp b/td/telegram/Photo.hpp
index 0c683c9c..96b5f0f1 100644
--- a/td/telegram/Photo.hpp
+++ b/td/telegram/Photo.hpp
@@ -14,6 +14,126 @@
 #include "td/utils/tl_helpers.h"
 
 namespace td {
+template <class StorerT>
+void OfflineInputStickerSet::store(StorerT &storer) const {
+  using td::store;
+  store(sticker_set_id, storer);
+  store(sticker_set_access_hash, storer);
+}
+template <class ParserT>
+void OfflineInputStickerSet::parse(ParserT &parser) {
+  using td::parse;
+  parse(sticker_set_id, parser);
+  parse(sticker_set_access_hash, parser);
+}
+
+template <class StorerT>
+void OfflineInputStickerSet::AsKey::store(StorerT &storer) const {
+  using td::store;
+  store(key.sticker_set_id, storer);
+}
+
+template <class StorerT>
+void OfflineInputPeer::store(StorerT &storer) const {
+  using td::store;
+  store(dialog_id, storer);
+  store(dialog_access_hash, storer);
+}
+template <class ParserT>
+void OfflineInputPeer::parse(ParserT &parser) {
+  using td::parse;
+  parse(dialog_id, parser);
+  parse(dialog_access_hash, parser);
+}
+
+template <class StorerT>
+void OfflineInputPeer::AsKey::store(StorerT &storer) const {
+  using td::store;
+  store(key.dialog_id, storer);
+}
+
+template <class StorerT>
+void PhotoSizeSource::store(StorerT &storer) const {
+  using td::store;
+  store(file_type, storer);
+  store(type, storer);
+  switch (type) {
+    case Type::DialogPhoto: {
+      auto &dialog_photo = this->dialog_photo();
+      store(dialog_photo.input_peer, storer);
+      store(dialog_photo.is_big, storer);
+      break;
+    }
+    case Type::StickerSetThumbnail: {
+      auto &sticker_set_thumbnail = this->sticker_set_thumbnail();
+      store(sticker_set_thumbnail.input_sticker_set, storer);
+      break;
+    }
+    case Type::Thumbnail: {
+      auto &thumbnail = this->thumbnail();
+      store(thumbnail.thumbnail_type, storer);
+      break;
+    }
+    case Type::Empty:
+      break;
+  }
+}
+template <class ParserT>
+void PhotoSizeSource::parse(ParserT &parser) {
+  using td::parse;
+  parse(file_type, parser);
+  parse(type, parser);
+  switch (type) {
+    case Type::DialogPhoto: {
+      DialogPhoto dialog_photo;
+      parse(dialog_photo.input_peer, parser);
+      parse(dialog_photo.is_big, parser);
+      variant = dialog_photo;
+      break;
+    }
+    case Type::StickerSetThumbnail: {
+      StickerSetThumbnail sticker_set_thumbnail;
+      parse(sticker_set_thumbnail.input_sticker_set, parser);
+      variant = sticker_set_thumbnail;
+      break;
+    }
+    case Type::Thumbnail: {
+      Thumbnail thumbnail;
+      parse(thumbnail.thumbnail_type, parser);
+      variant = thumbnail;
+      break;
+    }
+    case Type::Empty:
+      break;
+  }
+}
+
+template <class StorerT>
+void PhotoSizeSource::AsKey::store(StorerT &storer) const {
+  using td::store;
+  store(key.file_type, storer);
+  store(key.type, storer);
+  switch (key.type) {
+    case Type::DialogPhoto: {
+      auto &dialog_photo = this->key.dialog_photo();
+      store(dialog_photo.input_peer.as_key(), storer);
+      store(dialog_photo.is_big, storer);
+      break;
+    }
+    case Type::StickerSetThumbnail: {
+      auto &sticker_set_thumbnail = this->key.sticker_set_thumbnail();
+      store(sticker_set_thumbnail.input_sticker_set.as_key(), storer);
+      break;
+    }
+    case Type::Thumbnail: {
+      auto &thumbnail = this->key.thumbnail();
+      store(thumbnail.thumbnail_type, storer);
+      break;
+    }
+    case Type::Empty:
+      break;
+  }
+}
 
 template <class StorerT>
 void store(Dimensions dimensions, StorerT &storer) {
diff --git a/td/telegram/Version.h b/td/telegram/Version.h
index 2599256f..5f639dc9 100644
--- a/td/telegram/Version.h
+++ b/td/telegram/Version.h
@@ -31,6 +31,7 @@ enum class Version : int32 {
   AddNotificationGroupInfoMaxRemovedMessageId,
   SupportMinithumbnails,
   AddVideoCallsSupport,
+  PhotoSizeSource,
   Next
 };
 
diff --git a/td/telegram/files/FileData.hpp b/td/telegram/files/FileData.hpp
index e4b1912d..13af0d0e 100644
--- a/td/telegram/files/FileData.hpp
+++ b/td/telegram/files/FileData.hpp
@@ -29,13 +29,18 @@ void FileData::store(StorerT &storer) const {
   bool has_expected_size = size_ == 0 && expected_size_ != 0;
   bool encryption_key_is_secure = encryption_key_.is_secure();
   bool has_sources = !file_source_ids_.empty();
+  bool has_version = true;
   BEGIN_STORE_FLAGS();
   STORE_FLAG(has_owner_dialog_id);
   STORE_FLAG(has_expected_size);
   STORE_FLAG(encryption_key_is_secure);
   STORE_FLAG(has_sources);
+  STORE_FLAG(has_version);
   END_STORE_FLAGS();
 
+  if (has_version) {
+    store(static_cast<int32>(Version::Next) - 1, storer);
+  }
   if (has_owner_dialog_id) {
     store(owner_dialog_id_, storer);
   }
@@ -67,13 +72,20 @@ void FileData::parse(ParserT &parser, bool register_file_sources) {
   bool has_expected_size;
   bool encryption_key_is_secure;
   bool has_sources;
+  bool has_version;
   BEGIN_PARSE_FLAGS();
   PARSE_FLAG(has_owner_dialog_id);
   PARSE_FLAG(has_expected_size);
   PARSE_FLAG(encryption_key_is_secure);
   PARSE_FLAG(has_sources);
+  PARSE_FLAG(has_version);
   END_PARSE_FLAGS_GENERIC();
 
+  int32 version = 0;
+  if (has_version) {
+    parse(version, parser);
+  }
+  parser.set_version(version);
   if (has_owner_dialog_id) {
     parse(owner_dialog_id_, parser);
   }
diff --git a/td/telegram/files/FileDb.cpp b/td/telegram/files/FileDb.cpp
index e01c2c91..62edc4b1 100644
--- a/td/telegram/files/FileDb.cpp
+++ b/td/telegram/files/FileDb.cpp
@@ -11,6 +11,7 @@
 #include "td/telegram/files/FileLocation.h"
 #include "td/telegram/files/FileLocation.hpp"
 #include "td/telegram/Version.h"
+#include "td/telegram/logevent/LogEvent.h"  // WithVersion
 
 #include "td/actor/actor.h"
 
@@ -276,7 +277,8 @@ class FileDb : public FileDbInterface {
     //LOG(DEBUG) << "By id " << id.get() << " found data " << format::as_hex_dump<4>(Slice(data_str));
     //LOG(INFO) << attempt_count;
 
-    TlParser parser(data_str);
+    logevent::WithVersion<TlParser> parser(data_str);
+    parser.set_version(static_cast<int32>(Version::Initial));
     FileData data;
     data.parse(parser, true);
     parser.fetch_end();
@@ -313,7 +315,12 @@ Status fix_file_remote_location_key_bug(SqliteDb &db) {
     CHECK(TlParser(key).fetch_int() == OLD_KEY_MAGIC);
     auto remote_str = PSTRING() << key.substr(4, 4) << Slice("\0\0\0\0") << key.substr(8);
     FullRemoteFileLocation remote;
-    if (unserialize(remote, remote_str).is_ok()) {
+    logevent::WithVersion<TlParser> parser(remote_str);
+    parser.set_version(static_cast<int32>(Version::Initial));
+    parse(remote, parser);
+    parser.fetch_end();
+    auto status = parser.get_status();
+    if (status.is_ok()) {
       kv.set(FileDbInterface::as_key(remote), value);
     }
     LOG(DEBUG) << "ERASE " << format::as_hex_dump<4>(Slice(key));
diff --git a/td/telegram/files/FileLocation.h b/td/telegram/files/FileLocation.h
index cbc2e73f..ad06dac7 100644
--- a/td/telegram/files/FileLocation.h
+++ b/td/telegram/files/FileLocation.h
@@ -170,6 +170,7 @@ struct PhotoRemoteFileLocation {
   int64 volume_id_;
   int64 secret_;
   int32 local_id_;
+  PhotoSizeSource source_;
 
   template <class StorerT>
   void store(StorerT &storer) const;
@@ -474,10 +475,43 @@ class FullRemoteFileLocation {
 
   tl_object_ptr<telegram_api::InputFileLocation> as_input_file_location() const {
     switch (location_type()) {
-      case LocationType::Photo:
-        return make_tl_object<telegram_api::inputFileLocation>(
-            photo().volume_id_, photo().local_id_, photo().secret_,
-            BufferSlice(FileReferenceView(file_reference_).download()));
+      case LocationType::Photo: {
+        switch (photo().source_.type) {
+          case PhotoSizeSource::Type::Empty:
+            return make_tl_object<telegram_api::inputFileLocation>(
+                photo().volume_id_, photo().local_id_, photo().secret_,
+                BufferSlice(FileReferenceView(file_reference_).download()));
+          case PhotoSizeSource::Type::Thumbnail: {
+            auto &thumbnail = photo().source_.thumbnail();
+            switch (file_type_) {
+              case FileType::Photo:
+                return make_tl_object<telegram_api::inputPhotoFileLocation>(
+                    photo().id_, photo().access_hash_, BufferSlice(FileReferenceView(file_reference_).download()),
+                    std::string(1, thumbnail.thumbnail_type));
+              case FileType::Thumbnail:
+                return make_tl_object<telegram_api::inputDocumentFileLocation>(
+                    photo().id_, photo().access_hash_, BufferSlice(FileReferenceView(file_reference_).download()),
+                    std::string(1, thumbnail.thumbnail_type));
+              default:
+              case FileType::EncryptedThumbnail:
+                UNREACHABLE();
+            }
+          }
+          case PhotoSizeSource::Type::DialogPhoto: {
+            LOG(ERROR) << "DIALOG PHOTO";
+            auto &dialog_photo = photo().source_.dialog_photo();
+            return make_tl_object<telegram_api::inputPeerPhotoFileLocation>(
+                dialog_photo.is_big * telegram_api::inputPeerPhotoFileLocation::Flags::BIG_MASK, dialog_photo.is_big,
+                dialog_photo.input_peer.as_telegram_api(), photo().volume_id_, photo().local_id_);
+          }
+          case PhotoSizeSource::Type::StickerSetThumbnail: {
+            LOG(ERROR) << "StickerSetThumbnail";
+            auto &sticker_set_thumbnail = photo().source_.sticker_set_thumbnail();
+            return make_tl_object<telegram_api::inputStickerSetThumb>(
+                sticker_set_thumbnail.input_sticker_set.as_telegram_api(), photo().volume_id_, photo().local_id_);
+          }
+        }
+      }
       case LocationType::Common:
         if (is_encrypted_secret()) {
           return make_tl_object<telegram_api::inputEncryptedFileLocation>(common().id_, common().access_hash_);
@@ -531,7 +565,7 @@ class FullRemoteFileLocation {
       : file_type_(source.file_type)
       , dc_id_(dc_id)
       , file_reference_(FileReferenceView::create_one(file_reference))
-      , variant_(PhotoRemoteFileLocation{id, access_hash, volume_id, -1, local_id}) {  // TODO(now) use source
+      , variant_(PhotoRemoteFileLocation{id, access_hash, volume_id, -1, local_id, source}) {
     CHECK(is_photo());
     check_file_reference();
   }
diff --git a/td/telegram/files/FileLocation.hpp b/td/telegram/files/FileLocation.hpp
index 1a222982..06d6d2a6 100644
--- a/td/telegram/files/FileLocation.hpp
+++ b/td/telegram/files/FileLocation.hpp
@@ -9,12 +9,14 @@
 #include "td/telegram/files/FileLocation.h"
 
 #include "td/telegram/files/FileType.h"
-#include "td/telegram/net/DcId.h"
+#include "td/telegram/Version.h"
 
 #include "td/utils/common.h"
 #include "td/utils/tl_helpers.h"
 #include "td/utils/Variant.h"
 
+#include "td/telegram/Photo.hpp"
+
 namespace td {
 
 template <class StorerT>
@@ -45,6 +47,7 @@ void PhotoRemoteFileLocation::store(StorerT &storer) const {
   store(volume_id_, storer);
   store(secret_, storer);
   store(local_id_, storer);
+  store(source_, storer);
 }
 
 template <class ParserT>
@@ -55,6 +58,9 @@ void PhotoRemoteFileLocation::parse(ParserT &parser) {
   parse(volume_id_, parser);
   parse(secret_, parser);
   parse(local_id_, parser);
+  if (parser.version() >= static_cast<int32>(Version::PhotoSizeSource)) {
+    parse(source_, parser);
+  }
 }
 
 template <class StorerT>
@@ -63,6 +69,7 @@ void PhotoRemoteFileLocation::AsKey::store(StorerT &storer) const {
   store(key.id_, storer);
   store(key.volume_id_, storer);
   store(key.local_id_, storer);
+  store(key.source_.as_key(), storer);
 }
 
 template <class StorerT>
diff --git a/td/telegram/files/FileManager.cpp b/td/telegram/files/FileManager.cpp
index 57296ab5..ea959039 100644
--- a/td/telegram/files/FileManager.cpp
+++ b/td/telegram/files/FileManager.cpp
@@ -19,6 +19,7 @@
 #include "td/telegram/misc.h"
 #include "td/telegram/SecureStorage.h"
 #include "td/telegram/TdDb.h"
+#include "td/telegram/logevent/LogEvent.h"
 
 #include "td/actor/SleepActor.h"
 
@@ -2618,7 +2619,12 @@ Result<FileId> FileManager::from_persistent_id_v2(Slice binary, FileType file_ty
   binary.remove_suffix(1);
   auto decoded_binary = zero_decode(binary);
   FullRemoteFileLocation remote_location;
-  auto status = unserialize(remote_location, decoded_binary);
+  logevent::WithVersion<TlParser> parser(decoded_binary);
+  //TODO(now): encode version?
+  parser.set_version(static_cast<int32>(Version::Initial));
+  parse(remote_location, parser);
+  parser.fetch_end();
+  auto status = parser.get_status();
   if (status.is_error()) {
     return Status::Error(10, "Wrong remote file id specified: can't unserialize it");
   }
diff --git a/td/telegram/files/FileStatsWorker.cpp b/td/telegram/files/FileStatsWorker.cpp
index 159514e5..1873dbb0 100644
--- a/td/telegram/files/FileStatsWorker.cpp
+++ b/td/telegram/files/FileStatsWorker.cpp
@@ -14,6 +14,7 @@
 #include "td/telegram/files/FileType.h"
 #include "td/telegram/Global.h"
 #include "td/telegram/TdDb.h"
+#include "td/telegram/logevent/LogEvent.h"  // WithVersion
 
 #include "td/db/SqliteKeyValue.h"
 
@@ -57,7 +58,7 @@ void scan_db(CancellationToken &token, CallbackT &&callback) {
     if (value.substr(0, 2) == "@@") {
       return true;
     }
-    TlParser parser(value);
+    logevent::WithVersion<TlParser> parser(value);
     FileData data;
     data.parse(parser, false);
     if (parser.get_status().is_error()) {
@@ -107,35 +108,33 @@ void scan_fs(CancellationToken &token, CallbackT &&callback) {
       continue;
     }
     auto files_dir = get_files_dir(file_type);
-    td::walk_path(files_dir,
-                  [&](CSlice path, WalkPath::Type type) {
-                    if (token) {
-                      return WalkPath::Action::Abort;
-                    }
-                    if (type != WalkPath::Type::NotDir) {
-                      return WalkPath::Action::Continue;
-                    }
-                    auto r_stat = stat(path);
-                    if (r_stat.is_error()) {
-                      LOG(WARNING) << "Stat in files gc failed: " << r_stat.error();
-                      return WalkPath::Action::Continue;
-                    }
-                    auto stat = r_stat.move_as_ok();
-                    if (ends_with(path, "/.nomedia") && stat.size_ == 0) {
-                      // skip .nomedia file
-                      return WalkPath::Action::Continue;
-                    }
+    td::walk_path(files_dir, [&](CSlice path, WalkPath::Type type) {
+      if (token) {
+        return WalkPath::Action::Abort;
+      }
+      if (type != WalkPath::Type::NotDir) {
+        return WalkPath::Action::Continue;
+      }
+      auto r_stat = stat(path);
+      if (r_stat.is_error()) {
+        LOG(WARNING) << "Stat in files gc failed: " << r_stat.error();
+        return WalkPath::Action::Continue;
+      }
+      auto stat = r_stat.move_as_ok();
+      if (ends_with(path, "/.nomedia") && stat.size_ == 0) {
+        // skip .nomedia file
+        return WalkPath::Action::Continue;
+      }
 
-                    FsFileInfo info;
-                    info.path = path.str();
-                    info.size = stat.size_;
-                    info.file_type = file_type;
-                    info.atime_nsec = stat.atime_nsec_;
-                    info.mtime_nsec = stat.mtime_nsec_;
-                    callback(info);
-                    return WalkPath::Action::Continue;
-                  })
-        .ignore();
+      FsFileInfo info;
+      info.path = path.str();
+      info.size = stat.size_;
+      info.file_type = file_type;
+      info.atime_nsec = stat.atime_nsec_;
+      info.mtime_nsec = stat.mtime_nsec_;
+      callback(info);
+      return WalkPath::Action::Continue;
+    }).ignore();
   }
 }
 }  // namespace