All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: "Darrick J. Wong" <djwong@kernel.org>,
	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 18/21] iomap: Convert iomap_add_to_ioend to take a folio
Date: Tue, 2 Nov 2021 00:26:42 -0700	[thread overview]
Message-ID: <YYDoMltwjNKtJaWR@infradead.org> (raw)
In-Reply-To: <20211101203929.954622-19-willy@infradead.org>

On Mon, Nov 01, 2021 at 08:39:26PM +0000, Matthew Wilcox (Oracle) wrote:
> @@ -1431,11 +1428,9 @@ iomap_do_writepage(struct page *page, struct writeback_control *wbc, void *data)
>  	 * |     desired writeback range    |      see else    |
>  	 * ---------------------------------^------------------|
>  	 */
> -	offset = i_size_read(inode);
> -	end_index = offset >> PAGE_SHIFT;
> -	if (page->index < end_index)
> -		end_offset = (loff_t)(page->index + 1) << PAGE_SHIFT;
> -	else {
> +	isize = i_size_read(inode);
> +	end_pos = folio_pos(folio) + folio_size(folio);
> +	if (end_pos - 1 >= isize) {

Looking at the code not part of the context this looks fine.  But I
really wonder if this (and also the blocks change above) would be
better off being split into separate, clearly documented patches.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

  reply	other threads:[~2021-11-02  7:26 UTC|newest]

Thread overview: 71+ 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  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 [this message]
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
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YYDoMltwjNKtJaWR@infradead.org \
    --to=hch@infradead.org \
    --cc=axboe@kernel.dk \
    --cc=djwong@kernel.org \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-xfs@vger.kernel.org \
    --cc=willy@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.