__set_page_dirty_no_writeback() should return true if it actually transitioned
the page from a clean to dirty state although it seems nobody used its return
value now.
Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
---
mm/page-writeback.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index bf85062..e8f5f06 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1157,9 +1157,7 @@ EXPORT_SYMBOL(write_one_page);
*/
int __set_page_dirty_no_writeback(struct page *page)
{
- if (!PageDirty(page))
- SetPageDirty(page);
- return 0;
+ return !TestSetPageDirty(page);
}
/*
--
1.6.3.3
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