[patch 04/26] writeback: dont propagate AOP_WRITEPAGE_ACTIVATE

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2.6.22-stable review patch.  If anyone has any objections, please let us
know.

------------------
From: Andrew Morton <[email protected]>

patch e423003028183df54f039dfda8b58c49e78c89d7 in mainline.

This is a writeback-internal marker but we're propagating it all the way back
to userspace!.

Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>


---
 mm/page-writeback.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -674,8 +674,10 @@ retry:
 
 			ret = (*writepage)(page, wbc, data);
 
-			if (unlikely(ret == AOP_WRITEPAGE_ACTIVATE))
+			if (unlikely(ret == AOP_WRITEPAGE_ACTIVATE)) {
 				unlock_page(page);
+				ret = 0;
+			}
 			if (ret || (--(wbc->nr_to_write) <= 0))
 				done = 1;
 			if (wbc->nonblocking && bdi_write_congested(bdi)) {

-- 
-
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