rump_syspuffs(8) - NetBSD Manual Pages

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RUMP_SYSPUFFS(8)        NetBSD 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.

NetBSD 8.3                       June 9, 2009                       NetBSD 8.3