Missing parts of 2.5.6-pre1 JFFS2 merge.

fs/jffs2/nodemgmt.c

@@ -31,7 +31,7 @@
  * provisions above, a recipient may use your version of this file
  * under either the RHEPL or the GPL.
  *
- * $Id: nodemgmt.c,v 1.45 2001/09/20 08:05:05 dwmw2 Exp $
+ * $Id: nodemgmt.c,v 1.45.2.1 2002/02/23 14:13:34 dwmw2 Exp $
  *
  */
 
@@ -318,6 +318,15 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
 
 	ACCT_PARANOIA_CHECK(jeb);
 
+	if (c->flags & JFFS2_SB_FLAG_MOUNTING) {
+		/* Mount in progress. Don't muck about with the block
+		   lists because they're not ready yet, and don't actually
+		   obliterate nodes that look obsolete. If they weren't 
+		   marked obsolete on the flash at the time they _became_
+		   obsolete, there was probably a reason for that. */
+		spin_unlock_bh(&c->erase_completion_lock);
+		return;
+	}
 	if (jeb == c->nextblock) {
 		D2(printk(KERN_DEBUG "Not moving nextblock 0x%08x to dirty/erase_pending list\n", jeb->offset));
 	} else if (jeb == c->gcblock) {

fs/jffs2/read.c

@@ -31,7 +31,7 @@
  * provisions above, a recipient may use your version of this file
  * under either the RHEPL or the GPL.
  *
- * $Id: read.c,v 1.13 2001/05/01 16:24:44 dwmw2 Exp $
+ * $Id: read.c,v 1.13.2.1 2002/02/01 23:32:33 dwmw2 Exp $
  *
  */
 
@@ -75,6 +75,12 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_full_dnode *fd, unsig
 		ret = -EIO;
 		goto out_ri;
 	}
+	/* There was a bug where we wrote hole nodes out with csize/dsize
+	   swapped. Deal with it */
+	if (ri->compr == JFFS2_COMPR_ZERO && !ri->dsize && ri->csize) {
+		ri->dsize = ri->csize;
+		ri->csize = 0;
+	}
 
 	D1(if(ofs + len > ri->dsize) {
 		printk(KERN_WARNING "jffs2_read_dnode() asked for %d bytes at %d from %d-byte node\n", len, ofs, ri->dsize);