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mm/writeback: Add __folio_mark_dirty()

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Turn __set_page_dirty() into a wrapper around __folio_mark_dirty().
Convert account_page_dirtied() into folio_account_dirtied() and account
the number of pages in the folio to support multi-page folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Matthew Wilcox (Oracle)
2021-05-04 11:01:10 -04:00
parent b5e84594ca
commit 203a315166
3 changed files with 29 additions and 24 deletions
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7
include/linux/pagemap.h
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@@ -772,8 +772,13 @@ void end_page_writeback(struct page *page);
void folio_end_writeback(struct folio *folio);
void wait_for_stable_page(struct page *page);
void folio_wait_stable(struct folio *folio);
void __folio_mark_dirty(struct folio *folio, struct address_space *, int warn);
static inline void __set_page_dirty(struct page *page,
struct address_space *mapping, int warn)
{
__folio_mark_dirty(page_folio(page), mapping, warn);
}
void __set_page_dirty(struct page *, struct address_space *, int warn);
int __set_page_dirty_nobuffers(struct page *page);
int __set_page_dirty_no_writeback(struct page *page);