X-Git-Url: http://git.grml.org/?a=blobdiff_plain;ds=sidebyside;f=components%2F9990-misc-helpers.sh;h=a97615bb6ddc5f128eeafa0be2d10e8e121dc1f5;hb=refs%2Fheads%2Fevgeni%2Ftmp-grml;hp=21ddfb64f4d151cb6a371f9b87bf4275bff3addf;hpb=469fb61ab8870f74f10aa8d4d235c3a57c47144b;p=live-boot-grml.git diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh index 21ddfb6..a97615b 100755 --- a/components/9990-misc-helpers.sh +++ b/components/9990-misc-helpers.sh @@ -420,6 +420,12 @@ is_supported_fs () return 1 fi + # get_fstype might report "unknown" or "swap", ignore it as no such kernel module exists + if [ "${fstype}" = "unknown" ] || [ "${fstype}" = "swap" ] + then + return 1 + fi + # Try to look if it is already supported by the kernel if grep -q ${fstype} /proc/filesystems then @@ -1301,13 +1307,9 @@ do_union () unionmountopts="${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 ${unionro} | grep -q " " @@ -1317,7 +1319,6 @@ do_union () then panic "overlay needs at least one lower filesystem (read-only branch)." fi - unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}" # overlayfs requires: # + a workdir to become mounted # + workdir and upperdir to reside under the same mount @@ -1325,9 +1326,10 @@ do_union () mkdir "${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 ()