This keeps most startup scripts as CONFS per discussion on src-committers from back during BSDCan. Approved by: will (mentor) Differential Revision: https://reviews.freebsd.org/D16466
198 lines
5.0 KiB
Bash
Executable File
198 lines
5.0 KiB
Bash
Executable File
#!/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: swap root
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. /etc/rc.subr
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name="mdconfig"
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desc="Create and control memory disks"
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stop_cmd="mdconfig_stop"
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start_cmd="mdconfig_start"
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start_precmd='[ -n "${_mdconfig_list}" ]'
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required_modules="geom_md:g_md"
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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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_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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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 ${_md}."
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continue
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fi
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if [ "${_file}" != "${_file%.uzip}" ]; then
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load_kld -m g_uzip geom_uzip || return 3
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# sleep a bit to allow creation of /dev/mdX.uzip
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sleep 2
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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 $name
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if [ -z "${_mdconfig_list}" ]; then
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for _mdconfig_config in `list_vars mdconfig_md[0-9]\* |
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sort_lite -nk1.12`
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do
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_mdconfig_unit=${_mdconfig_config#mdconfig_md}
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[ "${_mdconfig_unit#*[!0-9]}" = "$_mdconfig_unit" ] ||
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continue
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_mdconfig_list="$_mdconfig_list md$_mdconfig_unit"
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done
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_mdconfig_list="${_mdconfig_list# }"
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fi
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run_rc_command "${_mdconfig_cmd}"
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