Btrfs is an excellent option for the root fs image for live systems,
especially since it does its own transparent compression.
---
modules.d/90dmsquash-live/dmsquash-live-root | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/modules.d/90dmsquash-live/dmsquash-live-root
b/modules.d/90dmsquash-live/dmsquash-live-root
index 95ef05d..f8aa805 100755
--- a/modules.d/90dmsquash-live/dmsquash-live-root
+++ b/modules.d/90dmsquash-live/dmsquash-live-root
@@ -127,6 +127,8 @@ fi
# we might have an embedded fs image to use as rootfs (uncompressed live)
if [ -e /dev/.initramfs/live/${live_dir}/ext3fs.img ]; then
FSIMG="/dev/.initramfs/live/${live_dir}/ext3fs.img"
+elif [ -e /dev/.initramfs/live/${live_dir}/btrfs.img ]; then
+ FSIMG="/dev/.initramfs/live/${live_dir}/btrfs.img"
fi
if [ -n "$FSIMG" ] ; then
@@ -158,7 +160,11 @@ if [ -e "$SQUASHED" ] ; then
mount -n -t squashfs -o ro $SQUASHED_LOOPDEV /squashfs
BASE_LOOPDEV=$( losetup -f )
- losetup -r $BASE_LOOPDEV /squashfs/LiveOS/ext3fs.img
+ if [ -f /squashfs/LiveOS/ext3fs.img ]; then
+ losetup -r $BASE_LOOPDEV /squashfs/LiveOS/ext3fs.img
+ elif [ -f /squashfs/LiveOS/btrfs.img ]; then
+ losetup -r $BASE_LOOPDEV /squashfs/LiveOS/btrfs.img
+ fi
umount -l /squashfs
--
1.7.4
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