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From:   Daeho Jeong <daeho43@gmail.com>
Date:   Fri, 4 Dec 2020 14:00:34 +0900
Message-ID: <CACOAw_wOShYf23Y0txs6Fk_Qq9JGEjXGRb0MzMxrBxJpzCfLmA@mail.gmail.com>
Subject: Re: [f2fs-dev] [PATCH] f2fs: fix race of pending_pages in decompression
To:     Eric Biggers <ebiggers3@gmail.com>
Cc:     linux-kernel@vger.kernel.org,
        linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com,
        Daeho Jeong <daehojeong@google.com>
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I think I don't understand how verity works.
Right after verity is enabled on a file, is the verity logic working
for the whole file data area?
Or it's just working for the data area which is updated after verity is ena=
bled?

2020=EB=85=84 12=EC=9B=94 4=EC=9D=BC (=EA=B8=88) =EC=98=A4=ED=9B=84 1:51, E=
ric Biggers <ebiggers3@gmail.com>=EB=8B=98=EC=9D=B4 =EC=9E=91=EC=84=B1:
>
> On Fri, Dec 04, 2020 at 01:48:24PM +0900, Daeho Jeong wrote:
> > Eric,
> >
> > I have another question.
> > I understand enabling the verity can be possible in the middle of I/O.
> > Is the opposite way also possible? Actually, I couldn't find any
> > disabling function of it, though.
> >
>
> No, disabling fs-verity on a file isn't possible.
>
> - Eric