X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=components%2F9990-misc-helpers.sh;h=5439e73224de0ba4efed18d7e0c24f4f51df47a0;hb=289f0d924b6fa009790b4a67164892107a5a4086;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..5439e73 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 ${unionro} | grep -q " " @@ -1333,18 +1318,15 @@ do_union () panic "overlay needs at least one lower filesystem (read-only branch)." fi unionmountopts="-o noatime,lowerdir=${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 + # Ref: kiwi from OpenSuse kiwi-7.02.18-1.1 + # overlayfs in version >= v22 behaves differently + # + renamed from overlayfs to overlay + # + requires a workdir to become mounted + # + requires workdir and upperdir to reside under the same mount + # + requires workdir and upperdir to be in separate subdirs + mkdir ${unionrw}/rw + mkdir ${unionrw}/work + unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work" mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" ;; esac