On 13 September 2013 19:20, Gustavo Niemeyer <[email protected]> wrote: > Some of the overlay filesystems do support writing tomb markers to > handle deletions as well. I'm sure you know that, though, so I'm > mostly wondering why that was not a good option? Performance? >
Ubuntu Touch images are not using any overlay filesystems. Just read-only and writeable mounts, with loop/bind mounts as needed. And we cannot easily support overlay filesystems since they are often not present in the target device kernels. Regards, Dmitrijs. > On Fri, Sep 13, 2013 at 3:15 PM, Oliver Grawert <[email protected]> wrote: >> On Fri, 13 Sep 2013 17:42:36 +0200 >> Michael Zanetti <[email protected]> wrote: >> >>> On Friday 13 September 2013 17:33:47 Oliver Grawert wrote: >>> > it is currently not possible to switch on ssh in a persistent way, but >>> > with >>> > the next image in the daily-proposed channel (build number >46) this >>> > should >>> > be fixed. due to the nature of the readonly image you can not just remove >>> > the .override file but instead will have to empty it to make it not take >>> > effect: >>> > >>> > echo | sudo tee /etc/init/ssh.override >>> >>> At the risk of blaming myself... How come I cannot delete, but still modify >>> a >>> file on a read only file system? I mean... modifying a file is still write >>> operation, no? >> >> writability of files on the ro image is achieved by bind mounting the files >> from the ro side to a writable area of the filesystem ... if you delete it, >> it will just come back on next boot since the bind mount is newly created ... >> >> which is kind of defeating the purpose :) >> >> ciao >> oli >> >> -- >> Mailing list: https://launchpad.net/~ubuntu-phone >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~ubuntu-phone >> More help : https://help.launchpad.net/ListHelp >> > > > > -- > > gustavo @ http://niemeyer.net > > -- > Mailing list: https://launchpad.net/~ubuntu-phone > Post to : [email protected] > Unsubscribe : https://launchpad.net/~ubuntu-phone > More help : https://help.launchpad.net/ListHelp -- Mailing list: https://launchpad.net/~ubuntu-phone Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-phone More help : https://help.launchpad.net/ListHelp
