NEX-1643 dtrace provider for smbsrv
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
SMB-63 taskq_create_proc ... TQ_DYNAMIC puts tasks in p0
re #11974 CIFS Share - Tree connect fails from Windows 7 Clients

*** 19,28 ****
--- 19,30 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
   */
  
  /*
   * SMB: process_exit
   *
*** 54,71 ****
  #include <smbsrv/smb_kproto.h>
  
  smb_sdrc_t
  smb_pre_process_exit(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__ProcessExit__start, smb_request_t *, sr);
          return (SDRC_SUCCESS);
  }
  
  void
  smb_post_process_exit(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__ProcessExit__done, smb_request_t *, sr);
  }
  
  smb_sdrc_t
  smb_com_process_exit(smb_request_t *sr)
  {
--- 56,73 ----
  #include <smbsrv/smb_kproto.h>
  
  smb_sdrc_t
  smb_pre_process_exit(smb_request_t *sr)
  {
!         DTRACE_SMB_START(op__ProcessExit, smb_request_t *, sr);
          return (SDRC_SUCCESS);
  }
  
  void
  smb_post_process_exit(smb_request_t *sr)
  {
!         DTRACE_SMB_DONE(op__ProcessExit, smb_request_t *, sr);
  }
  
  smb_sdrc_t
  smb_com_process_exit(smb_request_t *sr)
  {