[LTP] [PATCH v1 07/10] syscalls/ioctl_loop05: Add LOOP_SET_DIRECT_IO ioctl test

[Cyril Hrubis]

Hi!
> >> +}
> >> +
> >> +static struct tst_test test = {
> >> +	.setup = setup,
> >> +	.cleanup = cleanup,
> >> +	.test_all = verify_ioctl_loop,
> >> +	.needs_root = 1,
> >> +//	.needs_tmpdir = 1,
> > 
> > Looks like a forgotten debug measure.
> > 
> Yes, because some distribution use tmpfs in tmp directory, then this 
> case will TCONF(tmpfs doesn't supprt DIO).  I am indecisive, or I should 
>   use all_filesystem =1, so it will not report TCONF? Or, keep it?

That will just create a loop device formatted with a filesystem and
another loop device in that filesystem in most cases. I doubt that it
will even work if we are doing all of that on the top of tmpfs anyways.

-- 
chrubis@suse.cz