Subject: Re: linux-next: build failure after merge of the mm tree

From: Stephen Rothwell <[email-masked]>
Date: Fri, 24 Feb 2023 15:40:10 +1100

Hi all,

On Wed, 1 Feb 2023 08:47:41 +1100 Stephen Rothwell <[email-masked]> wrote:
>
> Hi Jan,
> 
> On Fri, 27 Jan 2023 14:11:42 +0100 Jan Kara <[email-masked]> wrote:
> >
> > Thanks for the fixup! The right function to replace PageLocked() with is
> > folio_test_locked(). Anyway, I'll prepare a suggested conflict resolution
> > for Linus when pushing the changes.  
> 
> Thanks for the hint.  This is what I am using now:
> 
> From: Stephen Rothwell <[email-masked]>
> Date: Fri, 27 Jan 2023 16:50:34 +1100
> Subject: [PATCH] udf: fix up for "fs: convert writepage_t callback to pass a folio"
> 
> Signed-off-by: Stephen Rothwell <[email-masked]>
> ---
>  fs/udf/inode.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/udf/inode.c b/fs/udf/inode.c
> index 3b2adf4cbc57..b47bf9c73f4d 100644
> --- a/fs/udf/inode.c
> +++ b/fs/udf/inode.c
> @@ -185,16 +185,17 @@ static void udf_write_failed(struct address_space *mapping, loff_t to)
>  	}
>  }
>  
> -static int udf_adinicb_writepage(struct page *page,
> +static int udf_adinicb_writepage(struct folio *folio,
>  				 struct writeback_control *wbc, void *data)
>  {
> +	struct page *page = &folio->page;
>  	struct inode *inode = page->mapping->host;
>  	struct udf_inode_info *iinfo = UDF_I(inode);
>  
> -	BUG_ON(!PageLocked(page));
> +	BUG_ON(!folio_test_locked(folio));
>  	memcpy_to_page(page, 0, iinfo->i_data + iinfo->i_lenEAttr,
>  		       i_size_read(inode));
> -	unlock_page(page);
> +	folio_unlock(folio);
>  	mark_inode_dirty(inode);
>  
>  	return 0;
> -- 
> 2.35.1

I think Linus may have missed the last 2 changes in this merge
resolution ...
-- 
Cheers,
Stephen Rothwell