++USERMOD(ZP60035)          /* FIX LOGREC DEVICE TYPE SUPPORT */  .
++VER(Z038) FMID(EBB1102) PRE(UZ42622)
 /*
   PROBLEM DESCRIPTION:
     MVS DOES NOT SUPPORT SYS1.LOGREC ON ALL DASD DEVICE TYPES.
       THE DASD DEVICE TYPES THAT THE LOGREC WRITER (SVC 76)
       SUPPORTS IS HARD-CODED WITHIN THE MODULE.  THIS MEANS THAT
       IN ORDER MAINTAIN A FUNCTIONING LOGREC FACILTY THE SYSTEM
       RESIDENCE VOLUME IS LIMITED TO THE ORIGINAL SET OF DASD
       DEVICE TYPES AND CANNOT BE MIGRATED TO EXPLOIT LARGER VOLUME
       GEOMETRIES AS SUPPORT FOR NEWER DEVICES IS ADDED TO MVS.

       THIS USERMOD SHIPS A VERSION OF IFBSVC76 WHICH USES THE MVS
       TRKCALC SERVICE TO OBTAIN DASD GEOMETRY DEPENDENT DETAILS
       INSTEAD OF PRE-CODED VALUES SO THAT NOW IT SUPPORTS ANY
       DASD DEVICE TYPE SUPPORTED BY THE SYSTEM.

   SPECIAL CONDITIONS:
     ACTION:
       A "CLPA" MUST BE PERFORMED AT IPL TIME FOR THIS SYSMOD TO
       BECOME ACTIVE.

   COMMENTS:
     PRYCROFT SIX P/L PUBLIC DOMAIN USERMOD FOR MVS 3.8 NUMBER 35.

     THIS IS SYSMOD NUMBER 1 OF 3 IN A PACKAGE TO GENERALIZE LOGREC
     DASD SUPPORT WRITTEN BY TOM ARMSTRONG.  ALL 3 SYSMODS SHOULD BE
     ACTIVATED IN THE SAME IPL.  THE SYSMOD DETAILS ARE:
      +---------+----------+---------+------+-----------------------+
      | USERMOD | MODULE   | FMID    | COMP | MODULE FUNCTION       |
      +---------+----------+---------+------+-----------------------+
      | ZP60035 | IFBSVC76 | EBB1102 | BCP  | LOGREC WRITER         |
      | ZP60036 | IFCDIP00 | FBB1221 | SU64 | LOGREC INITIALIZATION |
      | ZP60037 | IFCIOHND | EER1400 | EREP | EREP I/O SERVICES     |
      +---------+----------+---------+------+-----------------------+

     THE FOLLOWING MODULES AND/OR MACROS ARE AFFECTED BY THIS USERMOD:
     MODULES:
       IFBSVC76
 */.