From: "Darrick J. Wong" <djwong@kernel.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.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>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v2 12/28] iomap: Add iomap_invalidate_folio
Date: Tue, 16 Nov 2021 18:20:45 -0800 [thread overview]
Message-ID: <20211117022045.GI24307@magnolia> (raw)
In-Reply-To: <20211108040551.1942823-13-willy@infradead.org>
On Mon, Nov 08, 2021 at 04:05:35AM +0000, Matthew Wilcox (Oracle) wrote:
> Keep iomap_invalidatepage around as a wrapper for use in address_space
> operations.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
Looks good to me,
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
--D
> ---
> fs/iomap/buffered-io.c | 20 ++++++++++++--------
> include/linux/iomap.h | 1 +
> 2 files changed, 13 insertions(+), 8 deletions(-)
>
> diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
> index 49f96fdadcb4..b7cbe4d202d8 100644
> --- a/fs/iomap/buffered-io.c
> +++ b/fs/iomap/buffered-io.c
> @@ -468,23 +468,27 @@ iomap_releasepage(struct page *page, gfp_t gfp_mask)
> }
> EXPORT_SYMBOL_GPL(iomap_releasepage);
>
> -void
> -iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)
> +void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len)
> {
> - struct folio *folio = page_folio(page);
> -
> - trace_iomap_invalidatepage(page->mapping->host, offset, len);
> + trace_iomap_invalidatepage(folio->mapping->host, offset, len);
>
> /*
> * If we're invalidating the entire page, clear the dirty state from it
> * and release it to avoid unnecessary buildup of the LRU.
> */
> - if (offset == 0 && len == PAGE_SIZE) {
> - WARN_ON_ONCE(PageWriteback(page));
> - cancel_dirty_page(page);
> + if (offset == 0 && len == folio_size(folio)) {
> + WARN_ON_ONCE(folio_test_writeback(folio));
> + folio_cancel_dirty(folio);
> iomap_page_release(folio);
> }
> }
> +EXPORT_SYMBOL_GPL(iomap_invalidate_folio);
> +
> +void iomap_invalidatepage(struct page *page, unsigned int offset,
> + unsigned int len)
> +{
> + iomap_invalidate_folio(page_folio(page), offset, len);
> +}
> EXPORT_SYMBOL_GPL(iomap_invalidatepage);
>
> #ifdef CONFIG_MIGRATION
> diff --git a/include/linux/iomap.h b/include/linux/iomap.h
> index 6d1b08d0ae93..29491fb9c5ba 100644
> --- a/include/linux/iomap.h
> +++ b/include/linux/iomap.h
> @@ -225,6 +225,7 @@ void iomap_readahead(struct readahead_control *, const struct iomap_ops *ops);
> int iomap_is_partially_uptodate(struct page *page, unsigned long from,
> unsigned long count);
> int iomap_releasepage(struct page *page, gfp_t gfp_mask);
> +void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len);
> void iomap_invalidatepage(struct page *page, unsigned int offset,
> unsigned int len);
> #ifdef CONFIG_MIGRATION
> --
> 2.33.0
>
next prev parent reply other threads:[~2021-11-17 2:20 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-08 4:05 [PATCH v2 00/28] iomap/xfs folio patches Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 01/28] csky,sparc: Declare flush_dcache_folio() Matthew Wilcox (Oracle)
2021-11-09 8:36 ` Christoph Hellwig
2021-11-15 15:54 ` Matthew Wilcox
2021-11-16 6:33 ` Christoph Hellwig
2021-11-16 21:49 ` Matthew Wilcox
2021-11-17 9:52 ` Geert Uytterhoeven
2021-11-08 4:05 ` [PATCH v2 02/28] mm: Add functions to zero portions of a folio Matthew Wilcox (Oracle)
2021-11-09 8:40 ` Christoph Hellwig
2021-11-17 4:45 ` Darrick J. Wong
2021-11-17 14:07 ` Matthew Wilcox
2021-11-17 17:07 ` Darrick J. Wong
2021-11-18 15:55 ` Matthew Wilcox
2021-11-18 17:26 ` Darrick J. Wong
2021-11-18 20:08 ` Matthew Wilcox
2021-11-08 4:05 ` [PATCH v2 03/28] fs: Remove FS_THP_SUPPORT Matthew Wilcox (Oracle)
2021-11-17 4:36 ` Darrick J. Wong
2021-11-08 4:05 ` [PATCH v2 04/28] fs: Rename AS_THP_SUPPORT and mapping_thp_support Matthew Wilcox (Oracle)
2021-11-09 8:41 ` Christoph Hellwig
2021-11-15 16:03 ` Matthew Wilcox
2021-11-16 6:33 ` Christoph Hellwig
2021-11-08 4:05 ` [PATCH v2 05/28] block: Add bio_add_folio() Matthew Wilcox (Oracle)
2021-11-17 4:48 ` Darrick J. Wong
2021-11-08 4:05 ` [PATCH v2 06/28] block: Add bio_for_each_folio_all() Matthew Wilcox (Oracle)
2021-11-17 4:48 ` Darrick J. Wong
2021-11-08 4:05 ` [PATCH v2 07/28] fs/buffer: Convert __block_write_begin_int() to take a folio Matthew Wilcox (Oracle)
2021-11-09 8:42 ` Christoph Hellwig
2021-11-17 4:35 ` Darrick J. Wong
2021-11-08 4:05 ` [PATCH v2 08/28] iomap: Convert to_iomap_page " Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 09/28] iomap: Convert iomap_page_create " Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 10/28] iomap: Convert iomap_page_release " Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 11/28] iomap: Convert iomap_releasepage to use " Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 12/28] iomap: Add iomap_invalidate_folio Matthew Wilcox (Oracle)
2021-11-17 2:20 ` Darrick J. Wong [this message]
2021-11-08 4:05 ` [PATCH v2 13/28] iomap: Pass the iomap_page into iomap_set_range_uptodate Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 14/28] iomap: Convert bio completions to use folios Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 15/28] iomap: Use folio offsets instead of page offsets Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 16/28] iomap: Convert iomap_read_inline_data to take a folio Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 17/28] iomap: Convert readahead and readpage to use " Matthew Wilcox (Oracle)
2021-11-09 8:43 ` Christoph Hellwig
2021-11-08 4:05 ` [PATCH v2 18/28] iomap: Convert iomap_page_mkwrite " Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 19/28] iomap: Convert __iomap_zero_iter " Matthew Wilcox (Oracle)
2021-11-09 8:47 ` Christoph Hellwig
2021-11-17 2:24 ` Darrick J. Wong
2021-11-17 14:20 ` Matthew Wilcox
2021-12-09 21:38 ` Matthew Wilcox
2021-12-10 16:19 ` Matthew Wilcox
2021-12-13 7:34 ` Christoph Hellwig
2021-12-13 18:08 ` Matthew Wilcox
2021-12-16 19:36 ` Darrick J. Wong
2021-12-16 20:43 ` Matthew Wilcox
2021-11-08 4:05 ` [PATCH v2 20/28] iomap: Convert iomap_write_begin() and iomap_write_end() to folios Matthew Wilcox (Oracle)
2021-11-17 4:31 ` Darrick J. Wong
2021-11-17 14:31 ` Matthew Wilcox
2021-11-17 17:10 ` Darrick J. Wong
2021-11-08 4:05 ` [PATCH v2 21/28] iomap: Convert iomap_write_end_inline to take a folio Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 22/28] iomap,xfs: Convert ->discard_page to ->discard_folio Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 23/28] iomap: Simplify iomap_writepage_map() Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 24/28] iomap: Simplify iomap_do_writepage() Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 25/28] iomap: Convert iomap_add_to_ioend() to take a folio Matthew Wilcox (Oracle)
2021-11-17 4:34 ` Darrick J. Wong
2021-11-08 4:05 ` [PATCH v2 26/28] iomap: Convert iomap_migrate_page() to use folios Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 27/28] iomap: Support multi-page folios in invalidatepage Matthew Wilcox (Oracle)
2021-11-08 4:05 ` [PATCH v2 28/28] xfs: Support multi-page folios Matthew Wilcox (Oracle)
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