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add extlinux check for btrfs subvolumes

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This commit is contained in:
Tobias Powalowski 2010-08-11 17:28:38 +02:00
parent a95ebbb9e8
commit 7a2561706c
1 changed files with 20 additions and 1 deletions
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21
usr/share/archboot/installer/setup
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@ -1930,6 +1930,20 @@ find_btrfs_subvolume() {
fi
}
find_btrfs_bootloader_subvolume() {
BTRFS_SUBVOLUME_COUNT=1
if [ "$(blkid -c /dev/null $bootdev -o value -s TYPE)" = "btrfs" ]; then
BTRFS_SUBVOLUMES=""
PART="$bootdev"
mount_btrfs
for i in $(btrfs subvolume list $BTRFSMP | cut -d " " -f 7); do
BTRFS_SUBVOLUMES="$BTRFS_SUBVOLUMES#$i"
BTRFS_SUBVOLUME_COUNT=$(($BTRFS_COUNT+1))
done
umount_btrfs
fi
}
# subvolumes already in use
subvolumes_in_use() {
SUBVOLUME_IN_USE=""
@ -3252,7 +3266,12 @@ doextlinux () {
DIALOG --msgbox "Error:\n$SYSLINUX cannot boot from any btrfs raid." 0 0
return 1
fi
### TODO break if subvolume is used!
# extlinux cannot boot from btrfs subvolume
find_btrfs_bootloader_subvolume
if [ $BTRFS_SUBVOLUME_COUNT -ge 3 ]; then
DIALOG --msgbox "Error:\n$SYSLINUX cannot boot from btrfs subvolume." 0 0
return 1
fi
common_syslinux || return 1
chroot_mount
chroot $DESTDIR $SYSLINUX_PROGRAM --install /boot >$LOG 2>&1