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Add sync option #17

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wants to merge 2 commits into from
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Add sync option #17

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c1ac66e
Add sync option
mstormi Jun 27, 2019
eceda49
not diff but merge on sync
mstormi Jun 28, 2019
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44 changes: 43 additions & 1 deletion zram-config
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Expand Up @@ -108,6 +108,14 @@ mergeOverlay () {

}

syncOverlay () {
echo "overlay --lowerdir=$ZDIR$BIND_DIR --upperdir=$ZDIR$ZRAM_DEV/upper" >>${ZLOG}
cd /usr/local/lib/zram-config/
echo y | ./overlay merge -l "${ZDIR}${BIND_DIR}" -u "${ZDIR}${ZRAM_DEV}/upper" >>${ZLOG} 2>&1 || return 1
sh -x *.sh >>${ZLOG} 2>&1 || return 1
rm -v *.sh >>${ZLOG} 2>&1 || return 1
}

removeZlog () {
if [ ! -z "$OLDLOG_DIR" ]
then
Expand Down Expand Up @@ -341,6 +349,40 @@ case "$1" in
rm -v ${ZSHARE}/zram-device-list.rev >>${ZLOG}
;;

sync)
echo "zram-config stop $(date +%Y-%m-%d-%H:%M:%S)" >>${ZLOG}
tac ${ZSHARE}/zram-device-list > ${ZSHARE}/zram-device-list.rev
file=${ZSHARE}/zram-device-list.rev
while read -r line; do
case "$line" in
"#"*)
# Skip comment line
continue
;;
"")
# Skip comment line
continue
;;
*)
set -- $line
echo "ztab sync $1 $2 $3 $4" >>${ZLOG}
case "$1" in
dir|log)
ZTYPE=$1
ZRAM_DEV=$2
TARGET_DIR=$3
BIND_DIR=$4
if [ "$ZEPHEMERAL" = false ] ; then
syncOverlay
fi
;;
esac
;;
esac
done < "$file"
rm -v ${ZSHARE}/zram-device-list.rev >>${ZLOG}
;;

enable-ephemeral)
enableZephemeral
;;
Expand All @@ -350,7 +392,7 @@ case "$1" in
;;

*)
echo "Usage: zram-config {start|stop|enable-ephemeral|disable-ephemeral}" >&2
echo "Usage: zram-config {start|stop|sync|enable-ephemeral|disable-ephemeral}" >&2
exit 1
;;
esac