[LTP] [PATCH 1/2] tst_test: Add $LTP_SINGLE_ITERATION to limit variant

[Petr Vorel]

Hi Li,

> > Hi all,

> > Andrea wanted to run only single variant.

> Could you tell me what the benefit is? why do we need this?

@Andrea ^

IMHO similar to LTP_SINGLE_FS_TYPE - speedup. Although I admit
LTP_SINGLE_FS_TYPE allows much bigger cleanup.

> And back to the patch itself, if LTP_SINGLE_ITERATION is used, which
> variant will be chosen to run by default? Is that expected?

By default all variants are tested.

Kind regards,
Petr