Add two new scripts (mdconfig/mdconfig2) to replace old ramdisk{,-own}
scripts. These scripts handle vnode backed md(4) devices.
Old ramdisk{,-own} scripts will stay a bit in CVS to allow some time for
migration since variable names have changed (ramdisk_* -> mdconfig_*).
Two new variables have been introduced to be able to populate the md(4)
device once it has been mounted (mdconfig_*_files and mdconfig_*_cmd).
Use should be as easy as:
mdconfig_md0="-t malloc -s 10m"
mdconfig_md1="-t vnode -f /var/foo.img"
See rc.conf(5) for more information and description of the additional
variables.
Approved by: cperciva
This commit is contained in:
flz
parent
d54cf9fc0c
commit
3d58ab6ef3
@ -22,7 +22,7 @@ FILES= DAEMON LOGIN NETWORKING SERVERS \
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kadmind kerberos kernel keyserv kldxref kpasswdd \
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ldconfig local localpkg lpd \
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mixer motd mountcritlocal mountcritremote \
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mountd moused mroute6d mrouted msgs \
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mdconfig mdconfig2 mountd moused mroute6d mrouted msgs \
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named natd netif netoptions \
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network_ipv6 newsyslog nfsclient nfsd \
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nfslocking nfsserver nisdomain nsswitch ntpd ntpdate \
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195
etc/rc.d/mdconfig
Normal file
195
etc/rc.d/mdconfig
Normal file
@ -0,0 +1,195 @@
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#!/bin/sh
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#
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# Copyright (c) 2006 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# PROVIDE: mdconfig
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# REQUIRE: localswap
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# BEFORE: mountcritlocal
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. /etc/rc.subr
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name="mdconfig"
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stop_cmd="mdconfig_stop"
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start_cmd="mdconfig_start"
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is_readonly()
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{
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local _mp _ret
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_mp=$1
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_ret=`mount | while read _line; do
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case ${_line} in
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*" ${_mp} "*read-only*)
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echo "yes"
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;;
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*)
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;;
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esac;
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done`
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if [ -n "${_ret}" ]; then
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return 0
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else
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return 1
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fi
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}
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init_variables()
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{
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local _i
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_fs=""
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_mp=""
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_dev="/dev/${_md}"
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eval _config=\$mdconfig_${_md}
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eval _newfs=\$mdconfig_${_md}_newfs
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_type=${_config##*-t\ }
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_type=${_type%%\ *}
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if [ -z "${_type}" ]; then
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err 1 "You need to specify \"-t <type>\" in mdconfig_${_md}"
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fi
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if [ "${_type}" = "vnode" ]; then
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_file=${_config##*-f\ }
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_file=${_file%%\ *}
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if [ -z "${_file}" ]; then
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err 2 "You need to specify \"-f <file>\" in mdconfig_${_md} for vnode devices"
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fi
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if [ "${_file}" != "${_file%.uzip}" ]; then
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# Load geom_uzip kernel module if needed
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require_kld geom_uzip
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_dev="/dev/${_md}.uzip"
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fi
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for _i in `df ${_file} 2>/dev/null`; do _fs=${_i}; done
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fi
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# Debugging help.
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debug "${_md} config: ${_config}"
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debug "${_md} type: ${_type}"
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debug "${_md} dev: ${_dev}"
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debug "${_md} file: ${_file}"
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debug "${_md} fs: ${_fs}"
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debug "${_md} newfs flags: ${_newfs}"
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}
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mdconfig_start()
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{
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local _md _mp _config _type _dev _file _fs _newfs _fsck_cmd
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require_kld g_md
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for _md in ${_mdconfig_list}; do
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init_variables ${_md}
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# Create md(4) devices of types swap, malloc and vnode if the
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# file is on the root partition.
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if [ "${_type}" != "vnode" -o "${_fs}" = "/" ]; then
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if [ "${_type}" = "vnode" ]; then
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if is_readonly ${_fs}; then
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warn "${_fs} is mounted read-only, skipping ${_md}."
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continue
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fi
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fi
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if mdconfig -l -u ${_md} >/dev/null 2>&1; then
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err 3 "${_md} already exists"
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fi
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echo "Creating ${_md} device (${_type})."
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if ! mdconfig -a ${_config} -u ${_md}; then
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echo "Creating ${_md} device failed, moving on."
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continue
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fi
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# Skip fsck for uzip devices.
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if [ "${_type}" = "vnode" ]; then
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if [ "${_file}" != "${_file%.uzip}" ]; then
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_fsck_cmd=":"
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elif checkyesno background_fsck; then
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_fsck_cmd="fsck -F"
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else
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_fsck_cmd="fsck"
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fi
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if ! eval ${_fsck_cmd} -p ${_dev} >/dev/null; then
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echo "Fsck failed on ${_dev}, not mounting the filesystem."
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continue
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fi
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else
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newfs ${_newfs} ${_dev} >/dev/null
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fi
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if mount -d ${_dev} 2>&1 >/dev/null; then
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echo "Mounting ${_dev}."
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mount ${_dev}
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fi
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fi
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done
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}
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mdconfig_stop()
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{
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local _md _mp _config _type _dev _file _fs _newfs _i
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for _md in ${_mdconfig_list}; do
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init_variables ${_md}
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if [ "${_type}" != "vnode" -o "${_fs}" = "/" ]; then
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for _i in `df ${_dev} 2>/dev/null`; do _mp=${_i}; done
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if [ -z "${_mp}" -o "${_mp}" != "${_mp%%%}" ]; then
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echo "Device ${_dev} isn't mounted."
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else
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echo "Umounting ${_dev}."
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umount ${_dev}
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fi
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if mdconfig -l -u ${_md} >/dev/null 2>&1; then
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echo "Destroying ${_md}."
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mdconfig -d -u ${_md}
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fi
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fi
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done
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}
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_mdconfig_cmd="$1"
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if [ $# -gt 0 ]; then
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shift
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fi
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[ -n "$*" ] && _mdconfig_list="$*"
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load_rc_config $name
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_mdconfig_unit=0
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if [ -z "${_mdconfig_list}" ]; then
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while :; do
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eval _mdconfig_config=\$mdconfig_md${_mdconfig_unit}
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if [ -z "${_mdconfig_config}" ]; then
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break
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else
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_mdconfig_list="${_mdconfig_list}${_mdconfig_list:+ }md${_mdconfig_unit}"
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_mdconfig_unit=$((${_mdconfig_unit} + 1))
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fi
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done
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fi
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run_rc_command "${_mdconfig_cmd}"
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226
etc/rc.d/mdconfig2
Normal file
226
etc/rc.d/mdconfig2
Normal file
@ -0,0 +1,226 @@
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#!/bin/sh
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#
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# Copyright (c) 2006 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# PROVIDE: mdconfig2
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# REQUIRE: mountcritremote
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# BEFORE: SERVERS
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. /etc/rc.subr
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name="mdconfig2"
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stop_cmd="mdconfig2_stop"
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start_cmd="mdconfig2_start"
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is_readonly()
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{
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local _mp _ret
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_mp=$1
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_ret=`mount | while read _line; do
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case ${_line} in
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*" ${_mp} "*read-only*)
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echo "yes"
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;;
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*)
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;;
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esac;
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done`
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if [ -n "${_ret}" ]; then
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return 0
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else
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return 1
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fi
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}
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init_variables()
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{
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local _i
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_fs=""
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_mp=""
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_mounted="no"
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_dev="/dev/${_md}"
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eval _config=\$mdconfig_${_md}
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eval _owner=\$mdconfig_${_md}_owner
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eval _perms=\$mdconfig_${_md}_perms
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eval _files=\$mdconfig_${_md}_files
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eval _populate=\$mdconfig_${_md}_cmd
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_type=${_config##*-t\ }
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_type=${_type%%\ *}
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if [ -z "${_type}" ]; then
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err 1 "You need to specify \"-t <type>\" in mdconfig_${_md}"
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fi
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if [ "${_type}" = "vnode" ]; then
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_file=${_config##*-f\ }
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_file=${_file%%\ *}
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if [ -z "${_file}" ]; then
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err 2 "You need to specify \"-f <file>\" in mdconfig_${_md} for vnode devices"
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fi
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if [ "${_file}" != "${_file%.uzip}" ]; then
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# Load geom_uzip kernel module if needed
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require_kld geom_uzip
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_dev="/dev/${_md}.uzip"
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fi
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for _i in `df ${_file} 2>/dev/null`; do _fs=${_i}; done
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fi
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# Debugging help.
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debug "${_md} config: ${_config}"
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debug "${_md} type: ${_type}"
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debug "${_md} dev: ${_dev}"
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debug "${_md} file: ${_file}"
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debug "${_md} fs: ${_fs}"
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debug "${_md} owner: ${_owner}"
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debug "${_md} perms: ${_perms}"
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debug "${_md} files: ${_files}"
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debug "${_md} populate cmd: ${_populate}"
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}
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mdconfig2_start()
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{
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local _md _fs _mp _mounted _dev _config _type _file _owner _perms _files _populate _fsck_cmd _i
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require_kld g_md
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for _md in ${_mdconfig2_list}; do
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init_variables ${_md}
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if [ ! -r ${_file} ]; then
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err 3 "${_file} doesn't exist"
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continue
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fi
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# First pass: create md(4) vnode devices from files stored on
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# non-root partition. Swap and malloc md(4) devices have already
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# been created.
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if [ "${_type}" = "vnode" -a "${_fs}" != "/" ]; then
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if is_readonly ${_fs}; then
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warn "${_fs} is mounted read-only, skipping ${_md}."
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continue
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fi
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if mdconfig -l -u ${_md} >/dev/null 2>&1; then
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err 3 "${_md} already exists"
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fi
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echo "Creating ${_md} device (${_type})."
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if ! mdconfig -a ${_config} -u ${_md}; then
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echo "Creating ${_md} device failed, moving on."
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continue
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fi
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# Skip fsck for uzip devices.
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if [ "${_file}" != "${_file%.uzip}" ]; then
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_fsck_cmd=":"
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elif checkyesno background_fsck; then
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_fsck_cmd="fsck -F"
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else
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_fsck_cmd="fsck"
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fi
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if ! eval ${_fsck_cmd} -p ${_dev} >/dev/null; then
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echo "Fsck failed on ${_dev}, not mounting the filesystem."
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continue
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fi
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if mount -d ${_dev} >/dev/null 2>&1; then
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echo "Mounting ${_dev}."
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mount ${_dev}
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fi
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fi
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for _i in `df ${_dev} 2>/dev/null`; do _mp=${_i}; done
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if [ ! -z "${_mp}" -a "${_mp}" = "${_mp%%%}" ]; then
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_mounted="yes"
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fi
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if checkyesno _mounted; then
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# Second pass: change permissions and ownership.
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[ -z "${_owner}" ] || chown -f ${_owner} ${_dev} ${_mp}
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[ -z "${_perms}" ] || chmod -f ${_perms} ${_dev} ${_mp}
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||||
# Third pass: populate with foreign files.
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if [ -n "${_files}" -o -n "${_populate}" ]; then
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echo "Populating ${_dev}."
|
||||
fi
|
||||
if [ -n "${_files}" ]; then
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cp -Rp ${_files} ${_mp}
|
||||
fi
|
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if [ -n "${_populate}" ]; then
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eval ${_populate}
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fi
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||||
fi
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||||
done
|
||||
}
|
||||
|
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mdconfig2_stop()
|
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{
|
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local _md _fs _mp _mounted _dev _config _type _file _owner _perms _files _populate
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||||
|
||||
for _md in ${_mdconfig2_list}; do
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init_variables ${_md}
|
||||
if [ "${_type}" = "vnode" ]; then
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||||
for i in `df ${_dev} 2>/dev/null`; do _mp=$i; done
|
||||
if [ ! -r "${_file}" -o "${_fs}" = "/" ]; then
|
||||
continue
|
||||
fi
|
||||
if [ -z "${_mp}" -o "${_mp}" != "${_mp%%%}" ]; then
|
||||
echo "Device ${_dev} isn't mounted."
|
||||
else
|
||||
echo "Umounting ${_dev}."
|
||||
umount ${_dev}
|
||||
fi
|
||||
if mdconfig -l -u ${_md} >/dev/null 2>&1; then
|
||||
echo "Destroying ${_md}."
|
||||
mdconfig -d -u ${_md}
|
||||
fi
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
_mdconfig2_cmd="$1"
|
||||
if [ $# -gt 0 ]; then
|
||||
shift
|
||||
fi
|
||||
[ -n "$*" ] && _mdconfig2_list="$*"
|
||||
|
||||
load_rc_config $name
|
||||
|
||||
_mdconfig2_unit=0
|
||||
if [ -z "${_mdconfig2_list}" ]; then
|
||||
while :; do
|
||||
eval _mdconfig2_config=\$mdconfig_md${_mdconfig2_unit}
|
||||
if [ -z "${_mdconfig2_config}" ]; then
|
||||
break
|
||||
else
|
||||
_mdconfig2_list="${_mdconfig2_list}${_mdconfig2_list:+ }md${_mdconfig2_unit}"
|
||||
_mdconfig2_unit=$((${_mdconfig2_unit} + 1))
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
run_rc_command "${_mdconfig2_cmd}"
|
||||
29
etc/rc.subr
29
etc/rc.subr
@ -1379,6 +1379,35 @@ ltr()
|
||||
echo "${_out}"
|
||||
}
|
||||
|
||||
# require_kld name
|
||||
# Ensure given module is loaded.
|
||||
# Try to load it if it's not.
|
||||
require_kld()
|
||||
{
|
||||
local _name _line _ret
|
||||
|
||||
_name=$1
|
||||
_me="require_kld"
|
||||
|
||||
_ret=`kldstat -v | while read _line; do
|
||||
case ${_line} in
|
||||
*" ${_name}")
|
||||
echo "yes"
|
||||
;;
|
||||
*)
|
||||
;;
|
||||
esac;
|
||||
done`
|
||||
|
||||
if [ -z "${_ret}" ]; then
|
||||
if kldload ${_name}; then
|
||||
info "${_name} module loaded."
|
||||
else
|
||||
err 1 "${_me}: ${_name} module failed to load."
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
# Creates a list of providers for GELI encryption.
|
||||
geli_make_list()
|
||||
{
|
||||
|
||||
@ -24,7 +24,7 @@
|
||||
.\"
|
||||
.\" $FreeBSD$
|
||||
.\"
|
||||
.Dd May 11, 2006
|
||||
.Dd May 18, 2006
|
||||
.Dt RC.CONF 5
|
||||
.Os
|
||||
.Sh NAME
|
||||
@ -3415,6 +3415,91 @@ The default is
|
||||
which causes log files flagged with a
|
||||
.Cm C
|
||||
to be created.
|
||||
.It Va mdconfig_md Ns Ao Ar X Ac
|
||||
.Pq Vt str
|
||||
Arguments to
|
||||
.Xr mdconfig 8
|
||||
for
|
||||
.Xr md 4
|
||||
device
|
||||
.Ar X .
|
||||
At minimum a
|
||||
.Fl t Ar type
|
||||
must be specified and either a
|
||||
.Fl s Ar size
|
||||
for malloc or swap backed
|
||||
.Xr md 4
|
||||
devices or a
|
||||
.Fl f Ar file
|
||||
for vnode backed
|
||||
.Xr md 4
|
||||
devices.
|
||||
Note that
|
||||
.Va mdconfig_md Ns Ao Ar X Ac
|
||||
variables are evaluated until one variable is unset or null.
|
||||
.It Va mdconfig_md Ns Ao Ar X Ac Ns Va _newfs
|
||||
.Pq Vt str
|
||||
Optional arguments passed to
|
||||
.Xr newfs 8
|
||||
to initialize
|
||||
.Xr md 4
|
||||
device
|
||||
.Ar X .
|
||||
.It Va mdconfig_md Ns Ao Ar X Ac Ns Va _owner
|
||||
.Pq Vt str
|
||||
An ownership specification passed to
|
||||
.Xr chown 8
|
||||
after the specified
|
||||
.Xr md 4
|
||||
device
|
||||
.Ar X
|
||||
has been mounted.
|
||||
Both the
|
||||
.Xr md 4
|
||||
device and the mount point will be changed.
|
||||
.It Va mdconfig_md Ns Ao Ar X Ac Ns Va _perms
|
||||
.Pq Vt str
|
||||
A mode string passed to
|
||||
.Xr chmod 1
|
||||
after the specified
|
||||
.Xr md 4
|
||||
device
|
||||
.Ar X
|
||||
has been mounted.
|
||||
Both the
|
||||
.Xr md 4
|
||||
device and the mount point will be changed.
|
||||
.It Va mdconfig_md Ns Ao Ar X Ac Ns Va _files
|
||||
.Pq Vt str
|
||||
Files to be copied to the mount point of the
|
||||
.Xr md 4
|
||||
device
|
||||
.Ar X
|
||||
after it has been mounted.
|
||||
.It Va mdconfig_md Ns Ao Ar X Ac Ns Va _cmd
|
||||
.Pq Vt str
|
||||
Command to execute after the specified
|
||||
.Xr md 4
|
||||
device
|
||||
.Ar X
|
||||
has been mounted.
|
||||
Note that the command is passed to
|
||||
.Li eval
|
||||
and that both
|
||||
.Li _dev
|
||||
and
|
||||
.Li _mp
|
||||
variables can be used to reference respectively the
|
||||
.Xr md 4
|
||||
device and the mount point.
|
||||
Assuming that the
|
||||
.Xr md 4
|
||||
device is
|
||||
.Li md0 ,
|
||||
one could set the following:
|
||||
.Bd -literal
|
||||
mdconfig_md0_cmd="tar xfzC /var/file.tgz \\${_mp}"
|
||||
.Ed
|
||||
.It Va ramdisk_units
|
||||
.Pq Vt str
|
||||
A list of one or more ramdisk units to configure with
|
||||
@ -3430,6 +3515,8 @@ must specify at least a
|
||||
in a
|
||||
.Va ramdisk_ Ns Ao Ar X Ac Ns Va _config
|
||||
variable.
|
||||
Note that this way to configure ramdisks has been deprecated
|
||||
in favor of new mdconfig variables (see above).
|
||||
.It Va ramdisk_ Ns Ao Ar X Ac Ns Va _config
|
||||
.Pq Vt str
|
||||
Arguments to
|
||||
|
||||
Loading…
Reference in New Issue
Block a user