Extending read-only parameters to allow specifying custom list of devices.

diff --git a/scripts/boot/0120-read-only b/scripts/boot/0120-read-only
index 948c2d5..c05c162 100755 (executable)
--- a/scripts/boot/0120-read-only
+++ b/scripts/boot/0120-read-only
@@ -7,6 +7,11 @@ Read_only ()
        for _PARAMETER in ${_CMDLINE}
        do
                case "${_PARAMETER}" in
+                       live-boot.read-only=*|read-only=*)
+                               LIVE_READ_ONLY="true"
+                               LIVE_READ_ONLY_DEVICES="${_PARAMETER#*read-only=}"
+                               ;;
+
                        live-boot.read-only|read-only)
                                LIVE_READ_ONLY="true"
                                ;;
@@ -20,9 +25,9 @@ Read_only ()
 
        # Marking some block devices as read-only to ensure that nothing
        # gets written as linux still writes to 'only' read-only mounted filesystems.
-       _DEVICES="/dev/sd* /dev/vd*"
+       LIVE_READ_ONLY_DEVICES="${LIVE_READ_ONLY_DEVICES:-/dev/sd* /dev/vd*}"
 
-       for _DEVICE in ${_DEVICES}
+       for _DEVICE in $(echo ${LIVE_READ_ONLY_DEVICES} | sed -e 's|,| |g')
        do
                if [ ! -b "${_DEVICE}" ]
                then