3 files changed, 8 insertions(+), 2 deletions(-)

M module-platform/linux/tests/CMakeLists.txt
M module-platform/linux/tests/unittest_filesystem_ext4.cpp
M module-vfs/drivers/src/purefs/fs/filesystem_ext4.cpp

@@ 63,6 63,7 @@ add_catch2_executable(
         ${CMAKE_CURRENT_LIST_DIR}/unittest_filesystem_ext4.cpp
     LIBS
         platform
+        module-vfs
     DEPS
         ${EXT4_IMAGE}
     USE_FS

@@ 64,6 64,7 @@ TEST_CASE("ext4: Basic mount and functionality")
     REQUIRE(fscore.mount("emmc0part0", "/path", "vfat") == -EBUSY);
     struct statvfs ssv;
     REQUIRE(fscore.stat_vfs("/sys/", ssv) == 0);
+    REQUIRE(fscore.stat_vfs("/sys", ssv) == 0);
 
     REQUIRE(fscore.umount("/sys") == 0);
     REQUIRE(vfs_ext->mount_count() == 0);

@@ 345,12 345,16 @@ namespace purefs::fs::drivers
 
     auto filesystem_ext4::stat(fsmount mnt, std::string_view file, struct stat &st) noexcept -> int
     {
-        auto mntp = std::static_pointer_cast<mount_point_ext4>(mnt);
+        auto mntp = std::dynamic_pointer_cast<mount_point_ext4>(mnt);
         if (!mntp) {
             LOG_ERROR("Non ext4 mount point");
             return -EBADF;
         }
-        const auto npath = mntp->native_path(file);
+        // NOTE: mod path fix for lwext4 open root dir
+        auto npath = mntp->native_path(file);
+        if (npath.empty()) {
+            npath = mntp->mount_path();
+        }
         ext4_locker _lck(mntp);
         return stat(mntp->mount_path().c_str(), npath.c_str(), &st, mntp->is_ro());
     }