1.\" $NetBSD: rump_kernfs.8,v 1.5 2010/11/22 07:56:56 pooka Exp $ 2.\" 3.\" WARNING: GENERATED FILE, DO NOT EDIT 4.\" INSTEAD, EDIT makerumpmanpages.sh AND REGEN 5.\" from: NetBSD: makerumpmanpages.sh,v 1.12 2010/11/22 07:56:31 pooka Exp 6.\" 7.\" Copyright (c) 2008-2010 Antti Kantee. All rights reserved. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.Dd November 21, 2010 31.Dt RUMP_KERNFS 8 32.Os 33.Sh NAME 34.Nm rump_kernfs 35.Nd mount a kernfs fictional fs with a userspace server 36.Sh SYNOPSIS 37.Cd "file-system PUFFS" 38.Cd "pseudo-device putter" 39.Pp 40.Nm 41.Op options 42.Ar kernfs 43.Ar mountpoint 44.Sh DESCRIPTION 45.Em NOTE! 46This manual page describes features specific to the 47.Xr rump 3 48file server. 49Please see 50.Xr mount_kernfs 8 51for a full description of the available command line options. 52.Pp 53The 54.Nm 55utility can be used to mount kernfs file systems. 56It uses 57.Xr rump 3 58and 59.Xr p2k 3 60to facilitate running the file system as a server in userspace. 61As opposed to 62.Xr mount_kernfs 8 , 63.Nm 64does not use file system code within the kernel and therefore does 65not require kernel support except 66.Xr puffs 4 . 67Apart from a minor speed penalty there is no downside with respect to 68in-kernel code. 69.Pp 70To use 71.Nm 72via 73.Xr mount 8 , 74the flags 75.Fl o Ar rump 76and 77.Fl t Ar kernfs 78should be given. 79Similarly, 80.Nm 81is used instead of 82.Xr mount_kernfs 8 83if 84.Dq rump 85is added to the options field of 86.Xr fstab 5 . 87.Sh SEE ALSO 88.Xr p2k 3 , 89.Xr puffs 3 , 90.Xr rump 3 , 91.Xr mount_kernfs 8 92.Sh HISTORY 93The 94.Nm 95utility first appeared in 96.Nx 6.0 . 97