feat: implement utime libc function, SYS_UTIME syscall, filesystem support (ext2 only)

kernel/src/Fs/Vfs.cpp

@@ -307,6 +307,21 @@ namespace Fs::Vfs {
         return result;
     }
 
+    int VfsSetTimes(const char* path, int64_t atime, int64_t mtime) {
+        int drive;
+        const char* localPath;
+
+        if (!ParsePath(path, drive, localPath)) return -1;
+
+        vfsLock.Acquire();
+        FsDriver* driver = DriverForLocked(drive);
+        int result = (driver != nullptr && driver->SetTimes != nullptr)
+            ? driver->SetTimes(driver->ctx, localPath, atime, mtime)
+            : -2;
+        vfsLock.Release();
+        return result;
+    }
+
     int VfsMkdir(const char* path) {
         int drive;
         const char* localPath;