> > And if you strace it what does the ioctl return? It seems OK: stat("/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 open("/", O_RDONLY) = 0 ioctl(0, FITRIM, 0x7fffbfb2be60) = 0 Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html