1 .\" Copyright (c) 2014 The FreeBSD Foundation
3 .\" This software was developed by Edward Tomasz Napierala under sponsorship
4 .\" from the FreeBSD Foundation.
6 .\" Redistribution and use in source and binary forms, with or without
7 .\" modification, are permitted provided that the following conditions
9 .\" 1. Redistributions of source code must retain the above copyright
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11 .\" 2. Redistributions in binary form must reproduce the above copyright
12 .\" notice, this list of conditions and the following disclaimer in the
13 .\" documentation and/or other materials provided with the distribution.
15 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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34 .Nd "automounter filesystem"
36 To compile this driver into the kernel,
37 place the following line in the
38 kernel configuration file:
39 .Bd -ragged -offset indent
43 Alternatively, to load the driver as a
44 module at boot time, place the following line in
46 .Bd -literal -offset indent
52 driver is the kernel component of the automounter infrastructure.
53 Its job is to pass mount requests to the
55 daemon, and pause the processes trying to access the automounted filesystem
56 until the mount is completed.
60 These options are available when
64 .Bl -tag -width indent
66 Mount options for all filesystems specified in the map entry.
68 Filesystem mountpoint prefix.
71 The following variables are available as both
76 .Bl -tag -width indent
77 .It Va vfs.autofs.debug
78 Verbosity level for log messages from the
81 Set to 0 to disable logging or 1 to warn about potential problems.
82 Larger values enable debugging output.
84 .It Va vfs.autofs.interruptible
85 Set to 1 to allow mount requests to be interrupted by signal.
87 .It Va vfs.autofs.retry_delay
88 Number of seconds before retrying mount requests.
90 .It Va vfs.autofs.retry_attempts
91 Number of attempts before failing mount.
93 .It Va vfs.autofs.cache
94 Number of seconds to wait before reinvoking
96 for any given file or directory.
98 .It Va vfs.autofs.timeout
99 Number of seconds to wait for
101 to handle the mount request.
103 .It Va vfs.autofs.mount_on_stat
104 Set to 1 to trigger mount on
110 To unmount all mounted
114 .Dl "umount -At autofs"
118 filesystems specified in
130 driver first appeared in
136 .An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org
137 under sponsorship from the FreeBSD Foundation.