X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=components%2F9990-misc-helpers.sh;h=c59e40e5523b7e1b02eb9d5c6be408b27b81b521;hb=822706beb66f72389dc5e9328b52f1a9c0da04fe;hp=5fd8e3e72ddada5934ad1c4952990b36e4bf7903;hpb=206a9bc0c758ac5f2fb55b52478de16c73bed680;p=live-boot-grml.git diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh index 5fd8e3e..c59e40e 100755 --- a/components/9990-misc-helpers.sh +++ b/components/9990-misc-helpers.sh @@ -1301,13 +1301,9 @@ do_union () unionmountopts="${unionmountopts}:${rofs}=${ro_opt}" done fi - mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" ;; overlay) - rw_opt="rw" - ro_opt="ro" - # XXX: can multiple unionro be used? (overlay only handles two dirs, but perhaps they can be chained?) # XXX: and can unionro be optional? i.e. can overlay skip lowerdir? if echo ${unionro} | grep -q " " @@ -1317,16 +1313,19 @@ do_union () then panic "overlay needs at least one lower filesystem (read-only branch)." fi + unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}" # overlayfs requires: # + a workdir to become mounted # + workdir and upperdir to reside under the same mount # + workdir and upperdir to be in separate directories - mkdir "${unionrw}/rw" - mkdir "${unionrw}/work" + mkdir ${unionrw}/rw + mkdir ${unionrw}/work unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work" mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" ;; esac + + mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" } get_custom_mounts ()