putter(9) [netbsd man page]

PUTTER(9)						   BSD Kernel Developer's Manual						 PUTTER(9)

NAME

     putter -- Pass-to-Userspace Transporter

DESCRIPTION

     The putter subsystem is used for request-response handling of userspace components.  It currently provides routines for associating a file
     descriptor with a subsystem data structure instance and I/O routines.  Users of the facility must fill out the callbacks in struct putter_ops
     to integrate with putter.

SEE ALSO

     pud(4), puffs(4)

BUGS

     Under construction.  Interfaces may and will change.

BSD
								 November 21, 2007							       BSD

RUMP_SYSPUFFS(8)					    BSD System Manager's Manual 					  RUMP_SYSPUFFS(8)

NAME

     rump_syspuffs -- mount a puffs file server with a userspace puffs loop

SYNOPSIS

     file-system PUFFS
     pseudo-device putter

     rump_syspuffs file_server arguments

DESCRIPTION

     The rump_syspuffs utility can be used to mount any puffs(3) file server so that the requests are passed through the kernel puffs code in
     userspace as well.  Therefore the approximate callgraph looks a little like the following, where k and u denote code running in the kernel
     space and userspace, respectively: puffs vfs (k) -> libpuffs (u) -> p2k (u) -> puffs vfs (u) -> libpuffs (u) -> file server (u).  The
     response path is the same, but in reverse.

     In its current state, rump_syspuffs is most useful as a proof of concept for file system distribution and for developing and debugging the
     kernel portion of puffs.

EXAMPLES

     Mount a file system with sshfs:
	   rump_syspuffs mount_psshfs server.address /mnt

     Mount an ntfs file system using ntfs-3g (from pkgsrc/filesystems/fuse-ntfs-3g), set the default uid to 1323:
	   rump_syspuffs ntfs-3g -o uid=1323 /path/to/filesystem /mnt

SEE ALSO

     p2k(3), puffs(3), rump(3), puffs(4)

HISTORY

     The rump_syspuffs debugging utility first appeared in NetBSD 5.0.

BSD
								   June 9, 2009 							       BSD