Use of integrated file system APIs in the QNTC file system

The APIs listed in Performing operations using APIs can operate on the QNTC file system, except for the following APIs:

• The chmod(), fchmod(), utime(), and umask() functions will have no effect on objects in QNTC, but attempting to use them will not cause an error.
• The QNTC file system does not support the following functions:
  • chown()
  • fchown()
  • fclear()
  • fclear64()
  • givedescriptor()
  • link()
  • QjoEndJournal()
  • QjoRetrieveJournalEntries()
  • QjoRetrieveJournalInformation()
  • QJORJIDI()
  • QJOSJRNE()
  • QjoStartJournal()
  • Qp0lGetPathFromFileID()
  • readlink()
  • symlink()
  • takedescriptor()
• The QNTC file system ignores any resource limits set using the setrlimit() API when performing the following functions:
  • write()
  • writev()
  • pwrite()
  • pwrite64()