[JFFS2] Fix wbuf recovery of f->metadata->raw node.

A data node might not be in the fraglist; it could be f->metadata.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 2febece..717fa2f 100644 (file)
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -190,6 +190,10 @@ static struct jffs2_raw_node_ref **jffs2_incore_replace_raw(struct jffs2_sb_info
 
        switch (je16_to_cpu(node->u.nodetype)) {
        case JFFS2_NODETYPE_INODE:
+               if (f->metadata && f->metadata->raw == raw) {
+                       dbg_noderef("Will replace ->raw in f->metadata at %p\n", f->metadata);
+                       return &f->metadata->raw;
+               }
                frag = jffs2_lookup_node_frag(&f->fragtree, je32_to_cpu(node->i.offset));
                BUG_ON(!frag);
                /* Find a frag which refers to the full_dnode we want to modify */
@@ -199,7 +203,6 @@ static struct jffs2_raw_node_ref **jffs2_incore_replace_raw(struct jffs2_sb_info
                }
                dbg_noderef("Will replace ->raw in full_dnode at %p\n", frag->node);
                return &frag->node->raw;
-               break;
 
        case JFFS2_NODETYPE_DIRENT:
                for (fd = f->dents; fd; fd = fd->next) {
@@ -209,6 +212,7 @@ static struct jffs2_raw_node_ref **jffs2_incore_replace_raw(struct jffs2_sb_info
                        }
                }
                BUG();
+
        default:
                dbg_noderef("Don't care about replacing raw for nodetype %x\n",
                            je16_to_cpu(node->u.nodetype));