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#
# remount_xfsboot: hibernate scriptlet to address http://bugs.debian.org/317479
#
# This scriptlet will cause hibernate to mount the /boot partition read-only on
# suspend, if RemountXFSBoot is turned on, /boot is a separate partition
# using XFS, and hibernate is supposed to change the Grub menu (option
# ChangeGrubMenu). On resume, it remounts /boot read-write.
#
# Copyright © 2006 martin f. krafft <madduck@debian.org>
# Released under the terms of the Artistic Licence
#
# Version: 2006.07.15.1723
#
AddConfigHandler XFSBootConfigOptions
AddConfigHelp "RemountXFSBoot <boolean>" "Remount the /boot partition read-only when suspending to prevent against an XFS bug."
AddSuspendHook 59 RemountXFSBootRO
AddResumeHook 59 RemountXFSBootRW
REMOUNT_XFSBOOT=1
XFSBootConfigOptions()
{
case $1 in
remountxfsboot)
! BoolIsOn "$1" "$2"; REMOUNT_XFSBOOT=$?;;
*)
return 1
;;
esac
return 0
}
_XFSBoot_boot_on_xfs()
{
local bootpart_type
bootpart_type=$(df -TP /boot | sed -ne 's,^/[^[:space:]]\+[[:space:]]\+\([[:alnum:]]\+\).*,\1,p')
test "$bootpart_type" = xfs
}
_XFSBoot_boot_separate_partition()
{
local rootpart
rootpart=$(df -P / | sed -ne 's,^\(/[^[:space:]]\+\).*,\1,p')
local bootpart
bootpart=$(df -P /boot | sed -ne 's,^\(/[^[:space:]]\+\).*,\1,p')
test "$rootpart" != "$bootpart"
}
RemountXFSBootRO()
{
if [ "$CHANGE_GRUB_MENU" = 1 ] && [ "$REMOUNT_XFSBOOT" = 1 ] \
&& _XFSBoot_boot_on_xfs; then
if _XFSBoot_boot_separate_partition; then
if ! mount -o remount,ro /boot 2>/dev/null; then
vecho 0 "$EXE: cannot remount the /boot partition, which is XFS (see http://bugs.debian.org/317479). Exiting..."
return 1
fi
else
vecho 0 "$EXE: your root partition is on XFS but you do not have a separate /boot partition (see http://bugs.debian.org/317479). Exiting..."
return 1
fi
fi
}
RemountXFSBootRW()
{
if [ "$CHANGE_GRUB_MENU" = 1 ] && [ "$REMOUNT_XFSBOOT" = 1 ] \
&& _XFSBoot_boot_on_xfs && _XFSBoot_boot_separate_partition; then
mount -o remount,rw /boot \
|| vecho 1 "$EXE: failed to remount the /boot partition."
fi
}
# vim:ft=sh:ts=8:sw=4:noet
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