The patch titled
mm/page-writeback.c: fix __set_page_dirty_no_writeback() return value
has been added to the -mm tree. Its filename is
mm-page-writebackc-fix-__set_page_dirty_no_writeback-return-value.patch
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------------------------------------------------------
Subject: mm/page-writeback.c: fix __set_page_dirty_no_writeback() return value
From: Bob Liu <lliubbo@xxxxxxxxx>
__set_page_dirty_no_writeback() should return true if it actually
transitioned the page from a clean to dirty state although it seems nobody
uses its return value at present.
Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
Acked-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page-writeback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/page-writeback.c~mm-page-writebackc-fix-__set_page_dirty_no_writeback-return-value mm/page-writeback.c
--- a/mm/page-writeback.c~mm-page-writebackc-fix-__set_page_dirty_no_writeback-return-value
+++ a/mm/page-writeback.c
@@ -1103,7 +1103,7 @@ EXPORT_SYMBOL(write_one_page);
int __set_page_dirty_no_writeback(struct page *page)
{
if (!PageDirty(page))
- SetPageDirty(page);
+ return !TestSetPageDirty(page);
return 0;
}
_
Patches currently in -mm which might be from lliubbo@xxxxxxxxx are
linux-next.patch
mm-page-writebackc-fix-__set_page_dirty_no_writeback-return-value.patch
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