f2fs: fix to spread clear_cold_data()

We need to drop PG_checked flag on page as well when we clear PG_uptodate
flag, in order to avoid treating the page as GCing one later.

Signed-off-by: Weichao Guo <[email protected]>
Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 805c831..e38b2f69 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -266,8 +266,10 @@ static int __revoke_inmem_pages(struct inode *inode,
 		}
 next:
 		/* we don't need to invalidate this in the sccessful status */
-		if (drop || recover)
+		if (drop || recover) {
 			ClearPageUptodate(page);
+			clear_cold_data(page);
+		}
 		set_page_private(page, 0);
 		ClearPagePrivate(page);
 		f2fs_put_page(page, 1);