loader: Export file system symbols.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Author: iabdalkader

loader/llext_exports.c

@@ -277,4 +277,30 @@ FORCE_EXPORT_SYM(flash_area_open);
 FORCE_EXPORT_SYM(flash_area_read);
 FORCE_EXPORT_SYM(flash_area_write);
 FORCE_EXPORT_SYM(flash_area_erase);
+FORCE_EXPORT_SYM(flash_area_close);
+#endif
+
+#if defined(CONFIG_FILE_SYSTEM)
+FORCE_EXPORT_SYM(fs_open);
+FORCE_EXPORT_SYM(fs_close);
+FORCE_EXPORT_SYM(fs_unlink);
+FORCE_EXPORT_SYM(fs_rename);
+FORCE_EXPORT_SYM(fs_read);
+FORCE_EXPORT_SYM(fs_write);
+FORCE_EXPORT_SYM(fs_seek);
+FORCE_EXPORT_SYM(fs_tell);
+FORCE_EXPORT_SYM(fs_truncate);
+FORCE_EXPORT_SYM(fs_sync);
+FORCE_EXPORT_SYM(fs_mkdir);
+FORCE_EXPORT_SYM(fs_opendir);
+FORCE_EXPORT_SYM(fs_readdir);
+FORCE_EXPORT_SYM(fs_closedir);
+FORCE_EXPORT_SYM(fs_mount);
+FORCE_EXPORT_SYM(fs_unmount);
+FORCE_EXPORT_SYM(fs_readmount);
+FORCE_EXPORT_SYM(fs_stat);
+FORCE_EXPORT_SYM(fs_statvfs);
+FORCE_EXPORT_SYM(fs_mkfs);
+FORCE_EXPORT_SYM(fs_register);
+FORCE_EXPORT_SYM(fs_unregister);
 #endif