linux-kernel - Re: [f2fs-dev] [PATCH] f2fs: fix race of pending

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Message-ID: <CACOAw_wOShYf23Y0txs6Fk_Qq9JGEjXGRb0MzMxrBxJpzCfLmA@mail.gmail.com>
Date:   Fri, 4 Dec 2020 14:00:34 +0900
From:   Daeho Jeong <daeho43@...il.com>
To:     Eric Biggers <ebiggers3@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, kernel-team@...roid.com,
        Daeho Jeong <daehojeong@...gle.com>
Subject: Re: [f2fs-dev] [PATCH] f2fs: fix race of pending_pages in decompression

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 enabled?

2020년 12월 4일 (금) 오후 1:51, Eric Biggers <ebiggers3@...il.com>님이 작성:
>
> 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