Re: [PATCH v8 07/15] f2fs: prepare mmap write faults for large folios

[Chao Yu]

On 10/28/26 23:43, Nanzhe Zhao wrote:
> From: Nanzhe Zhao <zhaonanzhe@xxxxxxxxxx>
> 
> Now write protect `mmap` also need to support large folio,
> Change `f2fs_vm_page_mkwrite` to achieve that.
> 
> Note it currently marks the whole large folio dirty
> to avoid data loss which causes write amplification.
> Further optimization is welcome.
> 
> The folio_zero_segment() in mkwrite is extended to zero the
> post-EOF part of the faulted folio for both order-0 and large
> folios, so the f2fs_zero_post_eof_page() call that was added
> to cover the removed shortcut is no longer needed.
> 
> Signed-off-by: Nanzhe Zhao <zhaonanzhe@xxxxxxxxxx>
Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,