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Date: Thu, 22 Jan 2026 08:25:19 +0100
From: Christoph Hellwig <hch@lst.de>
To: Zorro Lang <zlang@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>, zlang@kernel.org, ebiggers@kernel.org,
	fstests@vger.kernel.org
Subject: Re: [PATCH] generic: test that truncate(2) on fsverity is blocked
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References: <20260119062404.3998871-1-hch@lst.de> <20260121150833.shad4rfhqd4deg2s@dell-per750-06-vm-08.rhts.eng.pek2.redhat.com> <20260122055908.GB23964@lst.de> <20260122072358.4sujn2ygbt7zycqb@dell-per750-06-vm-08.rhts.eng.pek2.redhat.com>
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On Thu, Jan 22, 2026 at 03:23:58PM +0800, Zorro Lang wrote:
> On Thu, Jan 22, 2026 at 06:59:08AM +0100, Christoph Hellwig wrote:
> > On Wed, Jan 21, 2026 at 11:08:33PM +0800, Zorro Lang wrote:
> > > > +	dio-writeback-race unlink-fsync truncate
> > > 
> > > Need to add this into .gitignore too :)
> > 
> > True.
> > 
> > > > +_require_test
> > > 
> > > Does this case need TEST_DEV and TEST_DIR?
> > 
> > No, just copied and pasted.
> > 
> > > > +$here/src/truncate $fsv_file
> > > 
> > > _require_test_program "truncate"
> > 
> > Ok.
> 
> Thanks Christoph, BTW, as you said "btrfs was missing this check", so is there
> a known fix/commit related with this test case, if there's, feel free to mark
> that with `_fixed_by_kernel_commit` :)

I sent a fix, but it hasn't been applied anywhere yet.