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mm/writeback: Add filemap_dirty_folio()

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Reimplement __set_page_dirty_nobuffers() as a wrapper around
filemap_dirty_folio().  Eventually folio_mark_dirty() will pass
the folio's mapping to the address space's ->dirty_folio()
operation, so add the parameter to filemap_dirty_folio() now.

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)
2021-05-03 23:30:44 -04:00
parent b9b0ff61ee
commit 85d4d2ebc8
3 changed files with 38 additions and 29 deletions
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include/linux/writeback.h
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@@ -393,6 +393,7 @@ void writeback_set_ratelimit(void);
void tag_pages_for_writeback(struct address_space *mapping,
pgoff_t start, pgoff_t end);
bool filemap_dirty_folio(struct address_space *mapping, struct folio *folio);
void account_page_redirty(struct page *page);
void sb_mark_inode_writeback(struct inode *inode);