X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=components%2F9990-misc-helpers.sh;h=e1f2824335459d3e2e19a77153942900d9e667c9;hb=7a9c73733e5254d36ddc5df87c5908e5cea3ea77;hp=70f907a86b647c647b0591f511fe85aa525957e2;hpb=44e7b72fa71425b02ec770b1f3429b27a5cf6c51;p=live-boot-grml.git diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh index 70f907a..e1f2824 100755 --- a/components/9990-misc-helpers.sh +++ b/components/9990-misc-helpers.sh @@ -1292,23 +1292,8 @@ do_union () rw_opt="rw" ro_opt="rr+wh" noxino_opt="noxino" - ;; - - unionfs-fuse) - rw_opt="RW" - ro_opt="RO" - ;; - - *) - rw_opt="rw" - ro_opt="ro" - ;; - esac - case "${UNIONTYPE}" in - unionfs-fuse) - unionmountopts="-o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid" - unionmountopts="${unionmountopts} ${unionrw}=${rw_opt}" + unionmountopts="-o noatime,${noxino_opt},dirs=${unionrw}=${rw_opt}" if [ -n "${unionro}" ] then for rofs in ${unionro} @@ -1316,13 +1301,13 @@ do_union () unionmountopts="${unionmountopts}:${rofs}=${ro_opt}" done fi - ( 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 ) + 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 ${unionro} | grep -q " " @@ -1333,18 +1318,13 @@ do_union () panic "overlay needs at least one lower filesystem (read-only branch)." fi unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}" - mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" - ;; - - *) - unionmountopts="-o noatime,${noxino_opt},dirs=${unionrw}=${rw_opt}" - if [ -n "${unionro}" ] - then - for rofs in ${unionro} - do - unionmountopts="${unionmountopts}:${rofs}=${ro_opt}" - done - fi + # 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 ${unionrw}/work + unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work" mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" ;; esac