Re: [PATCH 9/9] udf: remove ->writepage

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On Sun 13-11-22 17:29:02, Christoph Hellwig wrote:
> ->writepage is a very inefficient method to write back data, and only
> used through write_cache_pages or a a fallback when no ->migrate_folio
> method is present.
> 
> Set ->migrate_folio to the generic buffer_head based helper, and remove
> the ->writepage implementation in extfat.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks good. Feel free to add:

Acked-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  fs/udf/inode.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/fs/udf/inode.c b/fs/udf/inode.c
> index dce6ae9ae306c..0246b1b86fb91 100644
> --- a/fs/udf/inode.c
> +++ b/fs/udf/inode.c
> @@ -182,11 +182,6 @@ static void udf_write_failed(struct address_space *mapping, loff_t to)
>  	}
>  }
>  
> -static int udf_writepage(struct page *page, struct writeback_control *wbc)
> -{
> -	return block_write_full_page(page, udf_get_block, wbc);
> -}
> -
>  static int udf_writepages(struct address_space *mapping,
>  			struct writeback_control *wbc)
>  {
> @@ -239,12 +234,12 @@ const struct address_space_operations udf_aops = {
>  	.invalidate_folio = block_invalidate_folio,
>  	.read_folio	= udf_read_folio,
>  	.readahead	= udf_readahead,
> -	.writepage	= udf_writepage,
>  	.writepages	= udf_writepages,
>  	.write_begin	= udf_write_begin,
>  	.write_end	= generic_write_end,
>  	.direct_IO	= udf_direct_IO,
>  	.bmap		= udf_bmap,
> +	.migrate_folio	= buffer_migrate_folio,
>  };
>  
>  /*
> -- 
> 2.30.2
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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