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Export __set_page_dirty
XFS currently contains a copy-and-paste of __set_page_dirty(). Export it from buffer.c instead. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Acked-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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@ -594,7 +594,7 @@ EXPORT_SYMBOL(mark_buffer_dirty_inode);
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*
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* The caller must hold lock_page_memcg().
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*/
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static void __set_page_dirty(struct page *page, struct address_space *mapping,
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void __set_page_dirty(struct page *page, struct address_space *mapping,
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int warn)
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{
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unsigned long flags;
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@ -608,6 +608,7 @@ static void __set_page_dirty(struct page *page, struct address_space *mapping,
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}
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spin_unlock_irqrestore(&mapping->tree_lock, flags);
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}
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EXPORT_SYMBOL_GPL(__set_page_dirty);
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/*
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* Add a page to the dirty page list.
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@ -1472,19 +1472,8 @@ xfs_vm_set_page_dirty(
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newly_dirty = !TestSetPageDirty(page);
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spin_unlock(&mapping->private_lock);
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if (newly_dirty) {
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/* sigh - __set_page_dirty() is static, so copy it here, too */
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unsigned long flags;
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spin_lock_irqsave(&mapping->tree_lock, flags);
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if (page->mapping) { /* Race with truncate? */
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WARN_ON_ONCE(!PageUptodate(page));
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account_page_dirtied(page, mapping);
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radix_tree_tag_set(&mapping->page_tree,
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page_index(page), PAGECACHE_TAG_DIRTY);
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}
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spin_unlock_irqrestore(&mapping->tree_lock, flags);
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}
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if (newly_dirty)
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__set_page_dirty(page, mapping, 1);
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unlock_page_memcg(page);
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if (newly_dirty)
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__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
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@ -1454,6 +1454,7 @@ extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
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extern void do_invalidatepage(struct page *page, unsigned int offset,
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unsigned int length);
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void __set_page_dirty(struct page *, struct address_space *, int warn);
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int __set_page_dirty_nobuffers(struct page *page);
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int __set_page_dirty_no_writeback(struct page *page);
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int redirty_page_for_writepage(struct writeback_control *wbc,
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