X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=components%2F9990-misc-helpers.sh;h=90aa6c714ade3a1eafe5257b95661f1434237efb;hb=5eb34d46fe13b8511d6aef4cc28089db48612322;hp=42518986f3bad4ea6d060ecde22b2306831a3321;hpb=773bef668749c32f1b01d6fa3e61a251602016f5;p=live-boot-grml.git

diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh
index 4251898..90aa6c7 100755
--- a/components/9990-misc-helpers.sh
+++ b/components/9990-misc-helpers.sh
@@ -443,6 +443,12 @@ is_supported_fs ()
 		return 1
 	fi
 
+	# get_fstype might report "unknown" or "swap", ignore it as no such kernel module exists
+	if [ "${fstype}" = "unknown" ] || [ "${fstype}" = "swap" ]
+	then
+		return 1
+	fi
+
 	# Try to look if it is already supported by the kernel
 	if grep -q ${fstype} /proc/filesystems
 	then
@@ -1640,6 +1646,32 @@ activate_custom_mounts ()
 	echo ${used_devices}
 }
 
+fix_backwards_compatibility ()
+{
+	local device dir opt backing include_list
+	device=${1}
+	dir=${2}
+	opt=${3}
+
+	if [ -n "${PERSISTENCE_READONLY}" ]
+	then
+		return
+	fi
+
+	backing="$(mount_persistence_media ${device})"
+	if [ -z "${backing}" ]
+	then
+		return
+	fi
+
+	include_list="${backing}/${persistence_list}"
+	if [ ! -r "${include_list}" ] && [ ! -r "${backing}/${old_persistence_list}" ]
+	then
+		echo "# persistence backwards compatibility:
+${dir} ${opt},source=." > "${include_list}"
+	fi
+}
+
 is_mountpoint ()
 {
 	directory="$1"