Build provider 3rd arg from smb_request_t
hacking...

*** 57,68 ****
          int rc;
  
          rc = smbsr_decode_data(sr, "%S", sr,
              &sr->arg.dirop.fqi.fq_path.pn_path);
  
!         DTRACE_SMB_2(op__CreateDirectory__start, smb_request_t *, sr,
!             struct dirop *, &sr->arg.dirop);
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
--- 57,67 ----
          int rc;
  
          rc = smbsr_decode_data(sr, "%S", sr,
              &sr->arg.dirop.fqi.fq_path.pn_path);
  
!         DTRACE_SMB_1(op__CreateDirectory__start, smb_request_t *, sr); /* arg.dirop */
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
*** 204,215 ****
          int rc;
  
          rc = smbsr_decode_data(sr, "%S", sr,
              &sr->arg.dirop.fqi.fq_path.pn_path);
  
!         DTRACE_SMB_2(op__DeleteDirectory__start, smb_request_t *, sr,
!             struct dirop *, &sr->arg.dirop);
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
--- 203,213 ----
          int rc;
  
          rc = smbsr_decode_data(sr, "%S", sr,
              &sr->arg.dirop.fqi.fq_path.pn_path);
  
!         DTRACE_SMB_1(op__DeleteDirectory__start, smb_request_t *, sr); /* arg.dirop */
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
*** 359,370 ****
          int rc;
  
          rc = smbsr_decode_data(sr, "%S", sr,
              &sr->arg.dirop.fqi.fq_path.pn_path);
  
!         DTRACE_SMB_2(op__CheckDirectory__start, smb_request_t *, sr,
!             struct dirop *, &sr->arg.dirop);
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
--- 357,367 ----
          int rc;
  
          rc = smbsr_decode_data(sr, "%S", sr,
              &sr->arg.dirop.fqi.fq_path.pn_path);
  
!         DTRACE_SMB_1(op__CheckDirectory__start, smb_request_t *, sr); /* arg.dirop */
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void