59ad1113d9
STATUS: Working (std boot, loop_mnt, pxe) with copytoram=[y|n]. NEEDS: initscript > 2011.07.3, mkinitcpio > 0.7.2, mkinitcpio-busybox > 1.18.5-1 Purpose: we need this for propertly unmount $cow_device, used for persistent dm-snapshot devices. This hook is based on work from Tom Gundersen[#1], but adapted for archiso things (specially the shutdown script) [#1] http://mailman.archlinux.org/pipermail/arch-projects/2011-July/001549.html [#2] http://projects.archlinux.org/initscripts.git/commit/?id=1fa7b4b453e96533ae1db3630031285e5fc302b3 [#3] http://mailman.archlinux.org/pipermail/arch-projects/2011-August/001749.html Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
44 lines
1.2 KiB
Bash
44 lines
1.2 KiB
Bash
#!/bin/sh
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# /oldroot depends on things inside /oldroot/run/archiso...
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mkdir /oldrun
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mount --move /oldroot/run /oldrun
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# Unmount all mounts now.
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umount $(mount | awk '$3 ~/^\/oldroot/ {print $3}' | sort -r)
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# Remove all dm-snapshot devices.
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dmsetup remove_all
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# Remove all loopback devices made for dm-snapshots devices
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# other misc loops like used for pure squashfs images
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# and unmount/detach *.fs.sfs images.
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for _lup in $(ls -r /dev/loop[1-9][0-9][0-9]); do
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if ! losetup -d ${_lup} 2> /dev/null; then
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umount -d ${_lup}
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fi
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done
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# Unmount the space used to store *.cow.
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umount /oldrun/archiso/cowspace
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# Unmount boot device if needed (no copytoram=y used)
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if [[ ! -d /oldrun/archiso/copytoram ]]; then
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umount /oldrun/archiso/bootmnt
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# Detach img_loop= and unmount img_dev= (archiso_loop_mnt hook)
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if [[ -f /oldrun/archiso/img_dev_loop ]]; then
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losetup -d $(cat /oldrun/archiso/img_dev_loop)
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umount /oldrun/archiso/img_dev
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fi
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if [[ -f /oldrun/archiso/nbd_client.pid ]]; then
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nbd-client -d /dev/nbd0
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fi
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fi
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# reboot / poweroff / halt, depending on the argument passed by init
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# if something invalid is passed, we halt
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case "$1" in
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reboot|poweroff|halt) "$1" -f ;;
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*) halt -f;;
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esac
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