diff options
Diffstat (limited to 'source/a/mkinitrd/init')
| -rwxr-xr-x | source/a/mkinitrd/init | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/source/a/mkinitrd/init b/source/a/mkinitrd/init index 0ee012980..7e238ac61 100755 --- a/source/a/mkinitrd/init +++ b/source/a/mkinitrd/init @@ -44,6 +44,9 @@ # /luksdev Contains colon separated list of luks encrypted devices to # be unlocked. # +# /lukstrim Contains colon separated list of luks encrypted devices to +# pass '--allow-discards' when unlocking +# # /lukskey Contains the path to a LUKS key-file for automatic unlock # Format: LABEL=<partition_label>:/path/to/file # UUID=<partition_uuid>:/path/to/file @@ -74,6 +77,7 @@ INITRD=$(cat /initrd-name) ROOTDEV=$(cat /rootdev) ROOTFS=$(cat /rootfs) LUKSDEV=$(cat /luksdev) +LUKSTRIM=$(cat /lukstrim 2>/dev/null) LUKSKEY=$(cat /lukskey) RESUMEDEV=$(cat /resumedev) WAIT=$(cat /wait-for-root) @@ -85,11 +89,11 @@ PATH="/sbin:/bin:/usr/sbin:/usr/bin" # Mount /proc and /sys: mount -n proc /proc -t proc mount -n sysfs /sys -t sysfs -mount -n tmpfs /run -t tmpfs -o mode=0755 +mount -n tmpfs /run -t tmpfs -o mode=0755,size=32M,nodev,nosuid,noexec if grep devtmpfs /proc/filesystems 1>/dev/null 2>/dev/null ; then DEVTMPFS=1 - mount -n devtmpfs /dev -t devtmpfs + mount -n devtmpfs /dev -t devtmpfs -o size=8M fi # Parse command line @@ -125,6 +129,9 @@ for ARG in $(cat /proc/cmdline); do rootfs=*|rootfstype=*) ROOTFS=$(echo $ARG | cut -f2 -d=) ;; + rootflags=*) + ROOTFLAGS=$(echo $ARG | cut -f2- -d=) + ;; waitforroot=*|rootdelay=*) WAIT=$(echo $ARG | cut -f2 -d=) ;; @@ -214,6 +221,9 @@ if [ "$RESCUE" = "" ]; then LUKSLIST_DEFERRED="" LUKSLIST=$(echo $LUKSDEV | tr -s ':' ' ') for LUKSDEV in $LUKSLIST ; do + if echo $LUKSDEV | grep -q "LABEL=" || echo $LUKSDEV | grep -q "UUID=" ; then + LUKSDEV=$(findfs $LUKSDEV) + fi if /sbin/cryptsetup isLuks ${LUKSDEV} 1>/dev/null 2>/dev/null ; then if echo $ROOTDEV | grep -q "LABEL=" || echo $ROOTDEV | grep -q "UUID=" ; then CRYPTDEV="luks$(basename $LUKSDEV)" @@ -222,8 +232,17 @@ if [ "$RESCUE" = "" ]; then else CRYPTDEV="luks$(basename $LUKSDEV)" fi - echo "Unlocking LUKS encrypted device '${LUKSDEV}' as luks mapped device '$CRYPTDEV':" - /sbin/cryptsetup ${LUKSKEY} luksOpen ${LUKSDEV} ${CRYPTDEV} </dev/tty0 >/dev/tty0 2>&1 + if echo $LUKSTRIM | grep -wq $LUKSDEV 2>/dev/null ; then + LUKSOPTS="--allow-discards" + else + LUKSOPTS="" + fi + if [ -z "${LUKSOPTS}" ]; then + echo "Unlocking LUKS encrypted device '${LUKSDEV}' as luks mapped device '$CRYPTDEV':" + else + echo "Unlocking LUKS encrypted device '${LUKSDEV}' as luks mapped device '$CRYPTDEV' with '$LUKSOPTS':" + fi + /sbin/cryptsetup ${LUKSOPTS} ${LUKSKEY} luksOpen ${LUKSDEV} ${CRYPTDEV} </dev/tty0 >/dev/tty0 2>&1 if [ "$ROOTDEV" = "$LUKSDEV" -o "$ROOTDEV" = "$CRYPTDEV" ] ; then ROOTDEV="/dev/mapper/$CRYPTDEV" fi @@ -299,7 +318,7 @@ if [ "$RESCUE" = "" ]; then # Switch to real root partition: /sbin/udevadm settle --timeout=10 echo 0x0100 > /proc/sys/kernel/real-root-dev - mount -o ro -t $ROOTFS $ROOTDEV /mnt + mount -o ro${ROOTFLAGS:+,$ROOTFLAGS} -t $ROOTFS $ROOTDEV /mnt if [ ! -r /mnt/sbin/init ]; then echo "ERROR: No /sbin/init found on rootdev (or not mounted). Trouble ahead." |