Support big file for Ext2

regression/apps/scripts/ext2.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+check_file_size() {
+    local file_name="$1"
+    local expected_size="$2"
+
+    if [ ! -f "$file_name" ]; then
+        echo "Error: File does not exist."
+        return 1
+    fi
+
+    actual_size=$(du -b "$file_name" | cut -f1)
+
+    if [ "$actual_size" -eq "$expected_size" ]; then
+        return 0
+    else
+        echo "Error: File size is incorrect: expected ${expected_size}, but got ${actual_size}."
+        return 1
+    fi
+}
+
+EXT2_DIR=/ext2
+cd ${EXT2_DIR}
+
+echo "Start ext2 fs test......"
+
+# Test case for the big file feature
+truncate -s 500M test_file.txt
+check_file_size test_file.txt $((500 * 1024 * 1024))
+truncate -s 2K test_file.txt
+check_file_size test_file.txt $((2 * 1024))
+sync
+
+echo "All ext2 fs test passed."