[JFFS2] Correct handling of JFFS2_FEATURE_RWCOMPAT_COPY nodes.
We should preserve these when we come to garbage collect them, not let
them get erased. Use jffs2_garbage_collect_pristine() for this, and make
sure the summary code copes -- just refrain from writing a summary for any
block which contains a node we don't understand.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index 95b5bf8..53a84b4 100644
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -760,7 +760,14 @@
}
#endif
default : {
- BUG(); /* unknown node in summary information */
+ if ((je16_to_cpu(temp->u.nodetype) & JFFS2_COMPAT_MASK)
+ == JFFS2_FEATURE_RWCOMPAT_COPY) {
+ dbg_summary("Writing unknown RWCOMPAT_COPY node type %x\n",
+ je16_to_cpu(temp->u.nodetype));
+ jffs2_sum_disable_collecting(c->summary);
+ } else {
+ BUG(); /* unknown node in summary information */
+ }
}
}
