8901 netstack_find_by_stackid() drops-and-reacquires
Reviewed by: Jason King <jbk@joyent.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Ryan Zezeski <rpz@joyent.com>

@@ -23,11 +23,11 @@
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 /*
- * Copyright (c) 2016, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2017, Joyent, Inc. All rights reserved.
  */
 
 #ifndef _SYS_NETSTACK_H
 #define _SYS_NETSTACK_H
 

@@ -234,10 +234,11 @@
  *  - all kstats that have been added for the shared stack
  */
 
 extern void netstack_init(void);
 extern void netstack_hold(netstack_t *);
+extern netstack_t *netstack_hold_if_active(netstack_t *);
 extern void netstack_rele(netstack_t *);
 extern netstack_t *netstack_find_by_cred(const cred_t *);
 extern netstack_t *netstack_find_by_stackid(netstackid_t);
 extern netstack_t *netstack_find_by_zoneid(zoneid_t);
 extern boolean_t netstack_inuse_by_stackid(netstackid_t stackid);