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Date:   Fri, 3 Feb 2023 13:13:23 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Johannes Thumshirn <Johannes.Thumshirn@....com>
Cc:     "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-afs@...ts.infradead.org" <linux-afs@...ts.infradead.org>,
        "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        Hugh Dickins <hughd@...gle.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "fstests@...r.kernel.org" <fstests@...r.kernel.org>
Subject: Re: [PATCH 6/5] generic: test ftruncate zeroes bytes after EOF

On Fri, Feb 03, 2023 at 11:57:11AM +0000, Johannes Thumshirn wrote:
> On 02.02.23 21:45, Matthew Wilcox (Oracle) wrote:
> > +	fprintf(stderr, "Truncation did not zero new bytes:\n");
> > +	for (i = 0; i < 5; i++)
> > +		fprintf(stderr, "%#x ", buf[i]);
> > +	fputc('\n', stderr);
> >
> 
> [...]
> 
> > +
> > +$here/src/truncate-zero $test_file > $seqres.full 2>&1 ||
> > +	_fail "truncate zero failed!"
> > +
> Is '_fail' really needed here? truncate-zero will spit out an error message
> in case the truncation doesn't work.

I don't know what I'm doing.  I totally cargo-culted 706 to make 707.
If someone wants to completely rewrite it, go ahead!

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