writeback: don't propagate AOP_WRITEPAGE_ACTIVATE

This is a writeback-internal marker but we're propagating it all the way back to userspace!. Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
RyanHsu · Oct 17, 2007 · e423003 · e423003
1 parent 7a40507
commit e423003
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
@@ -849,8 +849,10 @@ int write_cache_pages(struct address_space *mapping,
 
 			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)) {