Re: [PATCH 11/11] fs: Remove aops->writepage

[Matthew Wilcox <willy@infradead.org>]

On Sun, Mar 16, 2025 at 06:08:52PM -0700, Fan Ni wrote:
> On Fri, Mar 07, 2025 at 01:54:11PM +0000, Matthew Wilcox (Oracle) wrote:
> > All callers and implementations are now removed, so remove the operation
> > and update the documentation to match.
> > 
> > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> > ---
> 
> Hi Matthew,
> 
> Tried to apply the remaining patches in the patchest (Patch 5-11)  which
> have not picked up by linux-next. It seems we have more to cleanup.
> 
> For example, I hit the following issue when try to compile
> ----------------------------------------------------------------
> drivers/gpu/drm/ttm/ttm_backup.c: In function ‘ttm_backup_backup_page’:
> drivers/gpu/drm/ttm/ttm_backup.c:139:39: error: ‘const struct address_space_operations’ has no member named ‘writepage’; did you mean ‘writepages’?
>   139 |                 ret = mapping->a_ops->writepage(folio_file_page(to_folio, idx), &wbc);

Looks like that was added to linux-next after I completed the removal of
->writepage.  Thomas, what's going on here?