20.10 sumount (6144)

This system call deletes an entry for a mounted device from the “mount” table. The purpose of this call is to ensure that traffic to and from the device is terminated properly, before the storage device is physically removed from the access device.

6154:

Search the “mount” table for the appropriate entry;

6161:

Search the “inode” table for any outstanding entries for files on the device. If any such exist, take an error exit, and do not change the “mount” table entry;

6168:

Clear the “IMOUNT” flag.