+Index: linux-2.6.21.7/fs/jffs2/build.c
+===================================================================
+--- linux-2.6.21.7.orig/fs/jffs2/build.c
++++ linux-2.6.21.7/fs/jffs2/build.c
+@@ -107,6 +107,17 @@ static int jffs2_build_filesystem(struct
+ dbg_fsbuild("scanned flash completely\n");
+ jffs2_dbg_dump_block_lists_nolock(c);
+
++ if (c->flags & (1 << 7)) {
++ printk("%s(): unlocking the mtd device... ", __func__);
++ if (c->mtd->unlock)
++ c->mtd->unlock(c->mtd, 0, c->mtd->size);
++ printk("done.\n");
++
++ printk("%s(): erasing all blocks after the end marker... ", __func__);
++ jffs2_erase_pending_blocks(c, -1);
++ printk("done.\n");
++ }
++
+ dbg_fsbuild("pass 1 starting\n");
+ c->flags |= JFFS2_SB_FLAG_BUILDING;
+ /* Now scan the directory tree, increasing nlink according to every dirent found. */
+Index: linux-2.6.21.7/fs/jffs2/scan.c
+===================================================================
+--- linux-2.6.21.7.orig/fs/jffs2/scan.c
++++ linux-2.6.21.7/fs/jffs2/scan.c
+@@ -143,9 +143,12 @@ int jffs2_scan_medium(struct jffs2_sb_in
+