mountcritlocal revision 294021 
1#!/bin/sh
2#
3# $FreeBSD: head/etc/rc.d/mountcritlocal 294021 2016-01-14 16:53:17Z trasz $
4#
5
6# PROVIDE: mountcritlocal
7# REQUIRE: root hostid_save mdconfig
8# KEYWORD: nojail shutdown
9
10. /etc/rc.subr
11
12name="mountcritlocal"
13start_cmd="mountcritlocal_start"
14stop_cmd=sync
15
16mountcritlocal_start()
17{
18	local err holders waited
19
20	# Set up the list of network filesystem types for which mounting
21	# should be delayed until after network initialization.
22	case ${extra_netfs_types} in
23	[Nn][Oo])
24		;;
25	*)
26		netfs_types="${netfs_types} ${extra_netfs_types}"
27		;;
28	esac
29
30	# Mount everything except nfs filesystems.
31	check_startmsgs && echo -n 'Mounting local file systems:'
32	mount_excludes='no'
33	for i in ${netfs_types}; do
34		fstype=${i%:*}
35		mount_excludes="${mount_excludes}${fstype},"
36	done
37	mount_excludes=${mount_excludes%,}
38
39	# Originally, root mount hold had to be released before mounting the root
40	# filesystem.  This delayed the boot, so it was changed to only wait if
41	# the root device isn't readily available.  This can result in this script
42	# executing before all the devices - such as graid(8) - are available.
43	# Thus, should the mount fail, we will wait for the root mount hold release
44	# and retry.
45	mount -a -t ${mount_excludes}
46	err=$?
47	if [ ${err} -ne 0 ]; then
48		echo
49		echo 'Mounting /etc/fstab filesystems failed,' \
50		    'will retry after root mount hold release'
51
52		waited=0
53		while [ ${waited} -lt ${root_hold_delay} ]; do
54			holders="$(sysctl -n vfs.root_mount_hold)"
55			if [ -z "${holders}" ]; then
56				break;
57			fi
58			if [ ${waited} -eq 0 ]; then
59				echo -n "Waiting ${root_hold_delay}s" \
60				"for the root mount holders: ${holders}"
61			else
62				echo -n .
63			fi
64			if [ ${waited} -eq ${root_hold_delay} ]; then
65				break 2
66			fi
67			sleep 1
68			waited=$(($waited + 1))
69		done
70		mount -a -t ${mount_excludes}
71		err=$?
72	fi
73
74	check_startmsgs && echo '.'
75
76	case ${err} in
77	0)
78		;;
79	*)
80		echo 'Mounting /etc/fstab filesystems failed,' \
81		    'startup aborted'
82		stop_boot true
83		;;
84	esac
85}
86
87load_rc_config $name
88run_rc_command "$1"
89