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authorBob Liu <lliubbo@gmail.com>2011-01-13 15:45:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:32 -0800
commitc3f0da631539b3b8e17f6dda567af9958d49d14f (patch)
treeb9bc0060ac0fa99d0dc9e6caadb0abf0172249ef /mm
parentc691b9d983d7015d54057034f4cd9b6d8affd976 (diff)
mm/page-writeback.c: fix __set_page_dirty_no_writeback() return value
__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@gmail.com> Acked-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/page-writeback.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index b5d8a1f820a..28763b8bdbd 100644
--- a/mm/page-writeback.c
+++ b/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;
}