IPVS: netns, trash handling

trash list per namspace,
and reordering of some params in dst struct.

[ horms@verge.net.au: Use cancel_delayed_work_sync() instead of
	              cancel_rearming_delayed_work(). Found during
		      merge conflict resoliution ]
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>

include/net/netns/ip_vs.h

@@ -82,6 +82,9 @@ struct netns_ipvs {
 	rwlock_t		rs_lock;         /* real services table */
 	/* semaphore for IPVS sockopts. And, [gs]etsockopt may sleep. */
 	struct lock_class_key	ctl_key;	/* ctl_mutex debuging */
+	/* Trash for destinations */
+	struct list_head	dest_trash;
+
 	/* sys-ctl struct */
 	struct ctl_table_header	*sysctl_hdr;
 	struct ctl_table	*sysctl_tbl;