BPX1QSE (quiesce) example

The following code quiesces file system TESTLIB.FILESYS1, making the files in it unavailable for use. For the callable service, see quiesce (BPX1QSE, BPX4QSE) — Quiesce a file system. AMODE 64 callers use BPX4QSE (quiesce) example.
                                              
         MVC   FSNAME(44),=CL44'TESTLIB.FILESYS1'                       
         SPACE ,                                                        
         CALL  BPX1QSE,              Quiesce a file system             +
               (FSNAME,              Input: File system name (44 char) +
               RETVAL,               Return value: 0, -1, or 4         +
               RETCODE,              Return code                       +
               RSNCODE),             Reason code                       +
               VL,MF=(E,PLIST)       ----------------------------------