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iomap: Add iomap_invalidate_folio
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> Reviewed-by: Darrick J. Wong <djwong@kernel.org>
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39f16c8345
commit
8306a5f563
2 changed files with 13 additions and 8 deletions
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@ -479,23 +479,27 @@ iomap_releasepage(struct page *page, gfp_t gfp_mask)
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}
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}
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EXPORT_SYMBOL_GPL(iomap_releasepage);
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EXPORT_SYMBOL_GPL(iomap_releasepage);
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void
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void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len)
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iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)
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{
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{
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struct folio *folio = page_folio(page);
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trace_iomap_invalidatepage(folio->mapping->host, offset, len);
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trace_iomap_invalidatepage(page->mapping->host, offset, len);
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/*
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/*
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* If we're invalidating the entire page, clear the dirty state from it
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* If we're invalidating the entire page, clear the dirty state from it
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* and release it to avoid unnecessary buildup of the LRU.
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* and release it to avoid unnecessary buildup of the LRU.
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*/
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*/
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if (offset == 0 && len == PAGE_SIZE) {
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if (offset == 0 && len == folio_size(folio)) {
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WARN_ON_ONCE(PageWriteback(page));
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WARN_ON_ONCE(folio_test_writeback(folio));
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cancel_dirty_page(page);
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folio_cancel_dirty(folio);
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iomap_page_release(folio);
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iomap_page_release(folio);
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}
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}
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}
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}
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EXPORT_SYMBOL_GPL(iomap_invalidate_folio);
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void iomap_invalidatepage(struct page *page, unsigned int offset,
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unsigned int len)
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{
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iomap_invalidate_folio(page_folio(page), offset, len);
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}
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EXPORT_SYMBOL_GPL(iomap_invalidatepage);
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EXPORT_SYMBOL_GPL(iomap_invalidatepage);
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#ifdef CONFIG_MIGRATION
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#ifdef CONFIG_MIGRATION
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@ -225,6 +225,7 @@ void iomap_readahead(struct readahead_control *, const struct iomap_ops *ops);
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int iomap_is_partially_uptodate(struct page *page, unsigned long from,
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int iomap_is_partially_uptodate(struct page *page, unsigned long from,
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unsigned long count);
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unsigned long count);
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int iomap_releasepage(struct page *page, gfp_t gfp_mask);
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int iomap_releasepage(struct page *page, gfp_t gfp_mask);
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void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len);
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void iomap_invalidatepage(struct page *page, unsigned int offset,
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void iomap_invalidatepage(struct page *page, unsigned int offset,
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unsigned int len);
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unsigned int len);
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#ifdef CONFIG_MIGRATION
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#ifdef CONFIG_MIGRATION
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