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DateWed, 14 Nov 2007 22:09:39 -0800
FromGreg KH <>
Subject[patch 07/13] writeback: dont propagate AOP_WRITEPAGE_ACTIVATE
-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Andrew Morton <akpm@linux-foundation.org>

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 <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>


---
 mm/page-writeback.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -672,8 +672,10 @@ 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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