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Date:   Thu, 24 Jun 2021 10:56:43 -0400
From:   "Theodore Ts'o" <>
To:     Zhang Yi <>
Subject: Re: [RFC PATCH v4 7/8] ext4: remove bdev_try_to_free_page() callback

On Thu, Jun 10, 2021 at 07:24:39PM +0800, Zhang Yi wrote:
> After we introduce a jbd2 shrinker to release checkpointed buffer's
> journal head, we could free buffer without bdev_try_to_free_page()
> under memory pressure. So this patch remove the whole
> bdev_try_to_free_page() callback directly. It also remove many
> use-after-free issues relate to it together.
> Signed-off-by: Zhang Yi <>
> Reviewed-by: Jan Kara <>

Applied, thanks.

					- Ted

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