1.\" Copyright (c) 2016 The DragonFly Project 2.\" Copyright (c) 2014 The FreeBSD Foundation 3.\" All rights reserved. 4.\" 5.\" This software was developed by Edward Tomasz Napierala under sponsorship 6.\" from the FreeBSD Foundation. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" 29.\" $FreeBSD$ 30.\" 31.Dd April 14, 2016 32.Dt AUTOFS 5 33.Os 34.Sh NAME 35.Nm autofs 36.Nd "automounter filesystem" 37.Sh SYNOPSIS 38To compile this driver into the kernel, 39place the following line in the 40kernel configuration file: 41.Bd -ragged -offset indent 42.Cd "options AUTOFS" 43.Ed 44.Pp 45Alternatively, to load the driver as a 46module at boot time, place the following line in 47.Xr loader.conf 5 : 48.Bd -literal -offset indent 49autofs_load="YES" 50.Ed 51.Sh DESCRIPTION 52The 53.Nm 54driver is the kernel component of the automounter infrastructure. 55Its job is to pass mount requests to the 56.Xr automountd 8 57daemon, and pause the processes trying to access the automounted filesystem 58until the mount is completed. 59It is mounted by the 60.Xr automount 8 . 61.Sh OPTIONS 62These options are available when 63mounting 64.Nm 65file systems: 66.Bl -tag -width indent 67.It Cm master_options 68Mount options for all filesystems specified in the map entry. 69.It Cm master_prefix 70Filesystem mountpoint prefix. 71.El 72.Sh EXAMPLES 73To unmount all mounted 74.Nm 75filesystems: 76.Pp 77.Dl "umount -At autofs" 78.Pp 79To mount 80.Nm 81filesystems specified in 82.Xr auto_master 5 : 83.Pp 84.Dl "automount" 85.Sh SEE ALSO 86.Xr auto_master 5 , 87.Xr automount 8 , 88.Xr automountd 8 , 89.Xr autounmountd 8 90.Sh HISTORY 91The 92.Nm 93driver first appeared in 94.Fx 10.1 . 95The 96.Nm 97driver first appeared in 98.Dx 4.5 . 99.Sh AUTHORS 100The 101.Nm 102was developed by 103.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 104under sponsorship from the FreeBSD Foundation. 105.Pp 106The 107.Nm 108was ported to 109.Dx 110by 111.An Tomohiro Kusumi Aq Mt kusumi.tomohiro@gmail.com . 112Donated to DragonFlyBSD by PeerCorps Trust Fund. 113.Sh BUGS 114The 115.Nm 116driver on 117.Dx 118currently does't support 119.Pa vfs.autofs.mount_on_stat 120sysctl. 121This sysctl is disabled by default on both 122.Fx 123and 124.Dx , 125but enabling it does nothing on 126.Dx . 127