puffs(4) - NetBSD Manual Pages

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PUFFS(4)                NetBSD Kernel Interfaces Manual               PUFFS(4)


NAME

     puffs -- Pass-to-Userspace Framework File System


SYNOPSIS

     file-system PUFFS
     pseudo-device putter


DESCRIPTION

     puffs provides a framework for creating file systems as userspace
     servers.  The in-kernel VFS attachment is controlled through a special
     device node, /dev/puffs.  People looking to implement file systems should
     use the system through the convenience library described in puffs(3).

   Termination
     A puffs file system can be unmounted regularly using umount(8).  The file
     system will automatically be unmounted in case the userspace server is
     killed or the control file descriptor closed.


SEE ALSO

     puffs(3)


HISTORY

     An unsupported experimental version of puffs first appeared in
     NetBSD 4.0.  A stable version appeared in NetBSD 5.0.


AUTHORS

     Antti Kantee <pooka@iki.fi>

NetBSD 6.0                     November 22, 2009                    NetBSD 6.0