- ( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384
- unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \
- ( mkdir -p /run/sendsigs.omit.d
- pidof unionfs-fuse >> /run/sendsigs.omit.d/unionfs-fuse || true )
- ;;
-
- overlayfs)
- # XXX: can multiple unionro be used? (overlayfs only handles two dirs, but perhaps they can be chained?)
- # XXX: and can unionro be optional? i.e. can overlayfs skip lowerdir?
- if echo ${unionro} | grep -q " "
- then
- panic "Multiple lower filesystems are currently not supported with overlayfs (unionro = ${unionro})."
- elif [ -z "${unionro}" ]
- then
- panic "Overlayfs needs at least one lower filesystem (read-only branch)."
- fi
- unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}"
- mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"