[JFFS2] Add 'jeb' argument to jffs2_prealloc_raw_node_refs()

Preallocation of refs is shortly going to be a per-eraseblock thing,
rather than per-filesystem. Add the required argument to the function.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index 0c66d16..a60bbce 100644
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -400,7 +400,7 @@
 		dbg_summary("processing summary index %d\n", i);
 
 		/* Make sure there's a spare ref for dirty space */
-		err = jffs2_prealloc_raw_node_refs(c, 2);
+		err = jffs2_prealloc_raw_node_refs(c, jeb, 2);
 		if (err)
 			return err;
 
@@ -630,7 +630,7 @@
 		return ret;		/* real error */
 
 	/* for PARANOIA_CHECK */
-	ret = jffs2_prealloc_raw_node_refs(c, 2);
+	ret = jffs2_prealloc_raw_node_refs(c, jeb, 2);
 	if (ret)
 		return ret;
 
@@ -815,9 +815,9 @@
 	dbg_summary("called\n");
 
 	spin_unlock(&c->erase_completion_lock);
-	jffs2_prealloc_raw_node_refs(c, 1);
 
 	jeb = c->nextblock;
+	jffs2_prealloc_raw_node_refs(c, jeb, 1);
 
 	if (!c->summary->sum_num || !c->summary->sum_list_head) {
 		JFFS2_WARNING("Empty summary info!!!\n");