freebsd-dev/etc/rc.d/mountcritlocal

#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: mountcritlocal
# REQUIRE: root hostid_save mdconfig
# KEYWORD: nojail shutdown

. /etc/rc.subr

name="mountcritlocal"
desc="Mount critical local filesystems"
start_cmd="mountcritlocal_start"
stop_cmd=sync

mountcritlocal_start()
{
	local err holders waited

	# Set up the list of network filesystem types for which mounting
	# should be delayed until after network initialization.
	case ${extra_netfs_types} in
	[Nn][Oo])
		;;
	*)
		netfs_types="${netfs_types} ${extra_netfs_types}"
		;;
	esac

	# Mount everything except nfs filesystems.
	check_startmsgs && echo -n 'Mounting local filesystems:'
	mount_excludes='no'
	for i in ${netfs_types}; do
		fstype=${i%:*}
		mount_excludes="${mount_excludes}${fstype},"
	done
	mount_excludes=${mount_excludes%,}

	# Originally, root mount hold had to be released before mounting
	# the root filesystem.  This delayed the boot, so it was changed
	# to only wait if the root device isn't readily available.  This
	# can result in this script executing before all the devices - such
	# as graid(8) - are available.  Thus, should the mount fail,
	# we will wait for the root mount hold release and retry.
	mount -a -t ${mount_excludes}
	err=$?
	if [ ${err} -ne 0 ]; then
		echo
		echo 'Mounting /etc/fstab filesystems failed,' \
		    'will retry after root mount hold release'

		waited=0
		while [ ${waited} -lt ${root_hold_delay} ]; do
			holders="$(sysctl -n vfs.root_mount_hold)"
			if [ -z "${holders}" ]; then
				break;
			fi
			if [ ${waited} -eq 0 ]; then
				echo -n "Waiting ${root_hold_delay}s" \
				"for the root mount holders: ${holders}"
			else
				echo -n .
			fi
			if [ ${waited} -eq ${root_hold_delay} ]; then
				break 2
			fi
			sleep 1
			waited=$(($waited + 1))
		done
		mount -a -t ${mount_excludes}
		err=$?
	fi

	check_startmsgs && echo '.'

	case ${err} in
	0)
		;;
	*)
		echo 'Mounting /etc/fstab filesystems failed,' \
		    'startup aborted'
		stop_boot true
		;;
	esac
}

load_rc_config $name
run_rc_command "$1"