c45506efd1
Make the md unit number configurable so that it can be predicted PR: bin/168544 Submitted by: wblock (based on) Approved by: kevlo
70 lines
1.2 KiB
Bash
Executable File
70 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# Add additional swap files
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#
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# $FreeBSD$
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#
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# PROVIDE: addswap
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# REQUIRE: FILESYSTEMS kld
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# BEFORE: netif
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# KEYWORD: nojail shutdown
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. /etc/rc.subr
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name="addswap"
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start_cmd="addswap_start"
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stop_cmd="addswap_stop"
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addswap_start()
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{
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case ${swapfile} in
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[Nn][Oo] | '')
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;;
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*)
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if [ -w "${swapfile}" ]; then
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check_startmsgs && echo "Adding ${swapfile} as additional swap"
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if [ -n "${swapfile_mdunit}" ]; then
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mdev="/dev/md${swapfile_mdunit#md}"
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mdconfig -a -t vnode -f "${swapfile}" -u ${swapfile_mdunit}
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else
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mdev="/dev/`mdconfig -a -t vnode -f "${swapfile}"`"
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fi
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if [ $? -eq 0 ]; then
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swapon ${mdev}
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else
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echo "error creating swapfile device"
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fi
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fi
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;;
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esac
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}
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addswap_stop()
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{
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case ${swapfile} in
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[Nn][Oo] | '')
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;;
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*)
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if [ -n "${swapfile_mdunit}" ]; then
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mdev="/dev/md${swapfile_mdunit#md}"
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else
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mdev="/dev/`mdconfig -lv | grep "${swapfile}" | cut -f1`"
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swapfile_mdunit=${mdev#md}
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fi
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if [ -n "${swapfile_mdunit}" ]; then
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swapctl -l | grep -q ${mdev}
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if [ $? -eq 0 ]; then
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echo "Dismounting swapfile ${swapfile}"
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swapoff ${mdev} && mdconfig -d -u ${swapfile_mdunit}
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fi
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fi
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;;
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esac
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}
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load_rc_config $name
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run_rc_command "$1"
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