Re: "New" ext4 features tests in LTP

[Petr Vorel <pvorel@suse.cz>]

Hi Ted, Jan,

> Yeah, I believe this may be useful to implement in fstests in some fs
> agnostic way.
Thank you both for reviewing LTP tests.

> > > ext4-nsec-timestamps [6]
> > > --------------------
> > > Directory containing the shell script which is used to test nanosec timestamps
> > > of ext4.

> > This basically tests that the file system supports nanosecond
> > timestamps, with a 0.3% false positive failure rate.   Again, why?

> > > ext4-subdir-limit [9]
> > > -----------------
> > > Directory containing the shell script which is used to test subdirectory limit
> > > of ext4. According to the kernel documentation, we create more than 32000
> > > subdirectorys on the ext4 filesystem.

> > This is a valid test, although it's not what I would call a "high
> > value" test.  (As in, it's testing maybe a total of four simple lines
> > of code that are highly unlikely to fail.)

> These two may be IMHO worth carrying over to fstests in some form. The other
> tests seem either already present in various fstests configs we run or
> pointless as Ted wrote.
As Sero already volunteered to contribute them to fstests (thanks Sero!),
I'll send a patch to delete them from LTP.

> 								Honza

Kind regards,
Petr