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From: Matthew Wilcox <willy@infradead.org>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	Jens Axboe <axboe@kernel.dk>,
	Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 19/21] iomap: Convert iomap_migrate_page to use folios
Date: Sat, 6 Nov 2021 03:44:36 +0000	[thread overview]
Message-ID: <YYX6JBO/aRy07wgC@casper.infradead.org> (raw)
In-Reply-To: <20211101203929.954622-20-willy@infradead.org>

On Mon, Nov 01, 2021 at 08:39:27PM +0000, Matthew Wilcox (Oracle) wrote:
> +++ b/fs/iomap/buffered-io.c
> @@ -493,19 +493,21 @@ int
>  iomap_migrate_page(struct address_space *mapping, struct page *newpage,
>  		struct page *page, enum migrate_mode mode)
>  {
> +	struct folio *folio = page_folio(page);
> +	struct folio *newfolio = page_folio(newpage);

Re-reviewing this patch, and I don't like the naming.  How about:

	struct folio *src = page_folio(page);
	struct folio *dest = page_folio(newpage);

... eventually flowing that renaming throughout the migration
implementations.

>  	int ret;
>  
> -	ret = migrate_page_move_mapping(mapping, newpage, page, 0);
> +	ret = folio_migrate_mapping(mapping, newfolio, folio, 0);
>  	if (ret != MIGRATEPAGE_SUCCESS)
>  		return ret;
>  
> -	if (page_has_private(page))
> -		attach_page_private(newpage, detach_page_private(page));
> +	if (folio_test_private(folio))
> +		folio_attach_private(newfolio, folio_detach_private(folio));
>  
>  	if (mode != MIGRATE_SYNC_NO_COPY)
> -		migrate_page_copy(newpage, page);
> +		folio_migrate_copy(newfolio, folio);
>  	else
> -		migrate_page_states(newpage, page);
> +		folio_migrate_flags(newfolio, folio);
>  	return MIGRATEPAGE_SUCCESS;
>  }
>  EXPORT_SYMBOL_GPL(iomap_migrate_page);
> -- 
> 2.33.0
> 

  parent reply	other threads:[~2021-11-06  3:46 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-01 20:39 [PATCH 00/21] iomap/xfs folio patches Matthew Wilcox (Oracle)
2021-11-01 20:39 ` [PATCH 01/21] fs: Remove FS_THP_SUPPORT Matthew Wilcox (Oracle)
2021-11-02  7:12   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 02/21] block: Add bio_add_folio() Matthew Wilcox (Oracle)
2021-11-01 20:51   ` Jens Axboe
2021-11-02 14:15     ` Matthew Wilcox
2021-11-02  7:12   ` Christoph Hellwig
2021-11-03  1:25   ` wangjianjian (C)
2021-11-03  2:22     ` Matthew Wilcox
2021-11-01 20:39 ` [PATCH 03/21] block: Add bio_for_each_folio_all() Matthew Wilcox (Oracle)
2021-11-01 20:51   ` Jens Axboe
2021-11-02  7:13   ` Christoph Hellwig
2021-11-02 20:24     ` Matthew Wilcox
2021-11-02 22:24       ` Darrick J. Wong
2021-11-02 22:33         ` Jens Axboe
2021-11-02 22:37           ` Darrick J. Wong
2021-11-01 20:39 ` [PATCH 04/21] iomap: Convert to_iomap_page to take a folio Matthew Wilcox (Oracle)
2021-11-02  7:13   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 05/21] iomap: Convert iomap_page_create " Matthew Wilcox (Oracle)
2021-11-02  7:14   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 06/21] iomap: Convert iomap_page_release " Matthew Wilcox (Oracle)
2021-11-01 20:39 ` [PATCH 07/21] iomap: Convert iomap_releasepage to use " Matthew Wilcox (Oracle)
2021-11-02  7:14   ` Christoph Hellwig
2021-11-02 22:39     ` Darrick J. Wong
2021-11-01 20:39 ` [PATCH 08/21] iomap: Add iomap_invalidate_folio Matthew Wilcox (Oracle)
2021-11-02  7:15   ` Christoph Hellwig
2021-11-02 22:36   ` Darrick J. Wong
2021-11-01 20:39 ` [PATCH 09/21] iomap: Pass the iomap_page into iomap_set_range_uptodate Matthew Wilcox (Oracle)
2021-11-02  7:16   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 10/21] iomap: Convert bio completions to use folios Matthew Wilcox (Oracle)
2021-11-02  7:17   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 11/21] iomap: Use folio offsets instead of page offsets Matthew Wilcox (Oracle)
2021-11-02  7:18   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 12/21] iomap: Convert iomap_read_inline_data to take a folio Matthew Wilcox (Oracle)
2021-11-02  7:18   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 13/21] iomap: Convert readahead and readpage to use " Matthew Wilcox (Oracle)
2021-11-02  7:20   ` Christoph Hellwig
2021-11-02 12:28     ` Matthew Wilcox
2021-11-01 20:39 ` [PATCH 14/21] iomap: Convert iomap_page_mkwrite " Matthew Wilcox (Oracle)
2021-11-02  7:21   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 15/21] iomap: Convert iomap_write_begin and iomap_write_end to folios Matthew Wilcox (Oracle)
2021-11-02  0:25   ` kernel test robot
2021-11-02  7:22   ` Christoph Hellwig
2021-11-02 23:22   ` Darrick J. Wong
2021-11-03  3:15     ` Matthew Wilcox
2021-11-03 12:47       ` Matthew Wilcox
2021-11-01 20:39 ` [PATCH 16/21] iomap: Convert iomap_write_end_inline to take a folio Matthew Wilcox (Oracle)
2021-11-02  7:22   ` Christoph Hellwig
2021-11-01 20:39 ` [PATCH 17/21] iomap,xfs: Convert ->discard_page to ->discard_folio Matthew Wilcox (Oracle)
2021-11-02  7:23   ` Christoph Hellwig
2021-11-03 15:43   ` Darrick J. Wong
2021-11-01 20:39 ` [PATCH 18/21] iomap: Convert iomap_add_to_ioend to take a folio Matthew Wilcox (Oracle)
2021-11-02  7:26   ` Christoph Hellwig
2021-11-02 20:28     ` Matthew Wilcox
2021-11-03 15:54       ` Christoph Hellwig
2021-11-04  3:33         ` Matthew Wilcox
2021-11-04  8:38           ` Christoph Hellwig
2021-11-04  8:40             ` Christoph Hellwig
2021-11-03 16:00       ` Darrick J. Wong
2021-11-04  3:42         ` Matthew Wilcox
2021-11-01 20:39 ` [PATCH 19/21] iomap: Convert iomap_migrate_page to use folios Matthew Wilcox (Oracle)
2021-11-02  7:27   ` Christoph Hellwig
2021-11-03 16:02   ` Darrick J. Wong
2021-11-06  3:44   ` Matthew Wilcox [this message]
2021-11-01 20:39 ` [PATCH 20/21] iomap: Support multi-page folios in invalidatepage Matthew Wilcox (Oracle)
2021-11-02  7:27   ` Christoph Hellwig
2021-11-03 16:03   ` Darrick J. Wong
2021-11-01 20:39 ` [PATCH 21/21] xfs: Support multi-page folios Matthew Wilcox (Oracle)
2021-11-02  7:27   ` Christoph Hellwig
2021-11-03 16:07   ` Darrick J. Wong

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