Re: [PATCH v2 03/14] md/raid1: use folio for tmppage

在 2026/2/5 15:33, Yu Kuai 写道:
> Hi,
> 
> 在 2026/2/5 15:23, Li Nan 写道:
>> Yeah, should we introduce safe_put_folio()? Or just check NULL here.
> 
> Yes, and don't copy implementation. Just convert safe_put_page(page) to
> safe_put_folio(page_folio(page)) first.
> 

page cannot be NULL in page_folio(), and the code would be:

if (page)
   safe_put_folio(page_folio(page))

This also looks odd. Keeping both functions and removing the page one
after the last reference to it in RAID5 is removed seems better. What do
you think?

-- 
Thanks,
Nan