[LTP] [PATCH] fs/lftest: Convert to new library

[Petr Vorel]

Hi Joerg,

> Additonal changes:
>  - Use temp directory instead of working dir
>  - 100 buffers is teh default  now and can be changed using -n
>  - Removed some useless output (nseek, nwrite was always bufnum)

Reviewed-by: Petr Vorel <pvorel@suse.cz>

LGTM, going to merge it after Jan 2021 release.

Below are 2 tiny details I'll fix during merge.

...
> +++ b/runtest/fs
> @@ -58,7 +58,7 @@ ftest06 ftest06
>  ftest07 ftest07
>  ftest08 ftest08

> -lftest01	lftest 100
> +lftest01	lftest

Not sure if anybody uses runtest/fs_readonly, but we still haven't removed it.
Thus it must be also updated:

-test_robind54 test_robind.sh -c "lftest 80"
+test_robind54 test_robind.sh -c "lftest"

...
> +++ b/testcases/kernel/fs/lftest/lftest.c
...
> +	if (str_bufnum) {
> +		if (tst_parse_int(str_bufnum ,&bufnum, 0, INT_MAX)) {
nit: formatting:
		if (tst_parse_int(str_bufnum, &bufnum, 0, INT_MAX)) {

> +			tst_brk(TBROK, "Invalid buffer count '%s'", str_bufnum);
> +		}

Kind regards,
Petr