Re: [PATCH RFC 06/14] fs/f2fs: stop using PG_private

[Chao Yu]

On 8/1/26 10:13, Zi Yan wrote:
> f2fs sets its PAGE_PRIVATE_* flags in page->private and checking
> page->private != NULL is equivalent to checking PG_private. Change
> PagePrivate() to page_private(). Meanwhile, in set_page_private_##name(),
> page->private is first set to 0/NULL before an PAGE_PRIVATE_* flag is set,
> but it can cause confusion when PG_private is removed and
> page->private != NULL is used instead. Change it to initialize
> page->private to PAGE_PRIVATE_NOT_POINTER instead and retain the original
> semantics.
>
> It prepares for a future commit that removes PG_private.
>
> No funtional change intended.
>
> Assisted-by: Claude:claude-opus-4-8
> Assisted-by: Codex:gpt-5
> Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
> To: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
> To: Chao Yu <chao@xxxxxxxxxx>
> Cc: linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx

Acked-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,