Supported File Systems

Both advisory and mandatory locking are supported on the file systems listed in the following table.

Table 5-4 Supported File Systems

File System Description

ufs

The disk-based file system

fifofs

A pseudo file system of named pipe files that give processes common access to data

namefs

A pseudo file system used mostly by STREAMS for dynamic mounts of file descriptors on top of file

specfs

A pseudo file system that provides access to special character devices and block devices

zfs

A transactional file system that uses the concept of storage pools to manage physical storage. For more information, see Managing ZFS File Systems in Oracle Solaris 11.4.

Only advisory file locking is supported on NFS. File locking is not supported for the proc and fd file systems.