[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/wbuf.c b/fs/jffs2/wbuf.c
index 1871140..e16e45e 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -179,13 +179,13 @@
 	unsigned char *buf;
 	uint32_t start, end, ofs, len;
 
-	if (jffs2_prealloc_raw_node_refs(c, c->reserved_refs + 1))
+	jeb = &c->blocks[c->wbuf_ofs / c->sector_size];
+
+	if (jffs2_prealloc_raw_node_refs(c, jeb, c->reserved_refs + 1))
 		return;
 
 	spin_lock(&c->erase_completion_lock);
 
-	jeb = &c->blocks[c->wbuf_ofs / c->sector_size];
-
 	jffs2_block_refile(c, jeb, REFILE_NOTEMPTY);
 
 	/* Find the first node to be recovered, by skipping over every
@@ -417,7 +417,7 @@
 	if (!c->wbuf_len)	/* already checked c->wbuf above */
 		return 0;
 
-	if (jffs2_prealloc_raw_node_refs(c, c->reserved_refs + 1))
+	if (jffs2_prealloc_raw_node_refs(c, c->nextblock, c->reserved_refs + 1))
 		return -ENOMEM;
 
 	/* claim remaining space on the page