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mm/writeback: Add folio_redirty_for_writepage()

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Reimplement redirty_page_for_writepage() as a wrapper around
folio_redirty_for_writepage().  Account the number of pages in the
folio, add kernel-doc and move the prototype to writeback.h.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Matthew Wilcox (Oracle)
2021-05-02 23:22:52 -04:00
parent 25ff8b1553
commit cd78ab11a8
5 changed files with 30 additions and 14 deletions
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2
include/linux/writeback.h
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@@ -399,6 +399,8 @@ static inline void account_page_redirty(struct page *page)
{
folio_account_redirty(page_folio(page));
}
bool folio_redirty_for_writepage(struct writeback_control *, struct folio *);
bool redirty_page_for_writepage(struct writeback_control *, struct page *);
void sb_mark_inode_writeback(struct inode *inode);
void sb_clear_inode_writeback(struct inode *inode);