---

yaml --- r: 180360 b: refs/heads/master c: 0a1ea43 h: refs/heads/master v: v3
git-mirror · Feb 3, 2010 · 579a7ca · 579a7ca
1 parent fd8f3b4
commit 579a7ca
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d622b89a2f58613a9c1407b22b02aecdd2187a7c
+refs/heads/master: 0a1ea437d87af830786605813972e8e277992917
diff --git a/trunk/fs/ocfs2/refcounttree.c b/trunk/fs/ocfs2/refcounttree.c
@@ -2957,8 +2957,12 @@ static int ocfs2_duplicate_clusters_by_page(handle_t *handle,
 
 		page = grab_cache_page(mapping, page_index);
 
-		/* This page can't be dirtied before we CoW it out. */
-		BUG_ON(PageDirty(page));
+		/*
+		 * In case PAGE_CACHE_SIZE <= CLUSTER_SIZE, This page
+		 * can't be dirtied before we CoW it out.
+		 */
+		if (PAGE_CACHE_SIZE <= OCFS2_SB(sb)->s_clustersize)
+			BUG_ON(PageDirty(page));
 
 		if (!PageUptodate(page)) {
 			ret = block_read_full_page(page, ocfs2_get_block);