[PATCH 2/6] mm/writeback: Use __set_page_dirty in __set_page_dirty_nobuffers

["Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>]

This is fundamentally the same code, so just call it instead of
duplicating it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 mm/page-writeback.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 0c2c8355f97f..980a6cb9cbd9 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2503,20 +2503,12 @@ int __set_page_dirty_nobuffers(struct page *page)
 	lock_page_memcg(page);
 	if (!TestSetPageDirty(page)) {
 		struct address_space *mapping = page_mapping(page);
-		unsigned long flags;
 
 		if (!mapping) {
 			unlock_page_memcg(page);
 			return 1;
 		}
-
-		xa_lock_irqsave(&mapping->i_pages, flags);
-		BUG_ON(page_mapping(page) != mapping);
-		WARN_ON_ONCE(!PagePrivate(page) && !PageUptodate(page));
-		account_page_dirtied(page, mapping);
-		__xa_set_mark(&mapping->i_pages, page_index(page),
-				   PAGECACHE_TAG_DIRTY);
-		xa_unlock_irqrestore(&mapping->i_pages, flags);
+		__set_page_dirty(page, mapping, !PagePrivate(page));
 		unlock_page_memcg(page);
 
 		if (mapping->host) {
-- 
2.30.2