3354 kernel crash in rpcsec_gss after using gsscred
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Carlos Neira <cneirabustos@gmail.com>
Approved by: Robert Mustacchi <rm@joyent.com>
NEX-4123 xdrmblk_getpos() is unreliable
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
re #13613 rb4516 Tunables needs volatile keyword

*** 21,30 ****
--- 21,32 ----
  
  /*
   * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
   * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright (c) 2012 by Delphix. All rights reserved.
+  * Copyright 2012 Marcel Telka <marcel@telka.sk>
+  * Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
   */
  
  /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  /*      All Rights Reserved     */
  
*** 102,112 ****
          svc_cots_kgetres,       /* Get pointer to response buffer */
          svc_cots_kfreeres,      /* Destroy pre-serialized response header */
          svc_cots_kclone_destroy, /* Destroy a clone xprt */
          svc_cots_kstart,        /* Tell `ready-to-receive' to rpcmod */
          NULL,                   /* Transport specific clone xprt */
!         svc_cots_ktattrs        /* Transport Attributes */
  };
  
  /*
   * Master transport private data.
   * Kept in xprt->xp_p2.
--- 104,116 ----
          svc_cots_kgetres,       /* Get pointer to response buffer */
          svc_cots_kfreeres,      /* Destroy pre-serialized response header */
          svc_cots_kclone_destroy, /* Destroy a clone xprt */
          svc_cots_kstart,        /* Tell `ready-to-receive' to rpcmod */
          NULL,                   /* Transport specific clone xprt */
!         svc_cots_ktattrs,       /* Transport Attributes */
!         mir_svc_hold,           /* Increment transport reference count */
!         mir_svc_release         /* Decrement transport reference count */
  };
  
  /*
   * Master transport private data.
   * Kept in xprt->xp_p2.
*** 725,735 ****
  #define XIDHASH(xid)    ((xid) % DRHASHSZ)
  #define DRHASH(dr)      XIDHASH((dr)->dr_xid)
  #define REQTOXID(req)   ((req)->rq_xprt->xp_xid)
  
  static int      cotsndupreqs = 0;
! int     cotsmaxdupreqs = MAXDUPREQS;
  static kmutex_t cotsdupreq_lock;
  static struct dupreq *cotsdrhashtbl[DRHASHSZ];
  static int      cotsdrhashstat[DRHASHSZ];
  
  static void unhash(struct dupreq *);
--- 729,739 ----
  #define XIDHASH(xid)    ((xid) % DRHASHSZ)
  #define DRHASH(dr)      XIDHASH((dr)->dr_xid)
  #define REQTOXID(req)   ((req)->rq_xprt->xp_xid)
  
  static int      cotsndupreqs = 0;
! volatile int    cotsmaxdupreqs = MAXDUPREQS;
  static kmutex_t cotsdupreq_lock;
  static struct dupreq *cotsdrhashtbl[DRHASHSZ];
  static int      cotsdrhashstat[DRHASHSZ];
  
  static void unhash(struct dupreq *);