linux-ext4 - Re: LTP: diotest4.c:476: read to read-only space. returns 0: Success

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Date:   Mon, 11 Nov 2019 05:38:54 -0500 (EST)
From:   Jan Stancek <jstancek@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     "Darrick J. Wong" <darrick.wong@...cle.com>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        LTP List <ltp@...ts.linux.it>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org, chrubis <chrubis@...e.cz>,
        open list <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Mark Brown <broonie@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        lkft-triage@...ts.linaro.org,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        Theodore Ts'o <tytso@....edu>
Subject: Re: LTP: diotest4.c:476: read to read-only space. returns 0:
 Success


----- Original Message -----
> Is this a new test?

No, it's not new.

> If not why was this never reported?  Sounds like
> we should add this test case to xfstests.

I'm guessing not that many users still run 32bit kernels.
Naresh' setup is using ext4, so I assume he noticed only
after recent changes in linux-next wrt. directio and ext4.

Regards,
Jan