Quoting Michael Tokarev ([email protected]): > 19.11.2014 00:04, Serge Hallyn пишет: > > Quoting Abin Shahab ([email protected]): > >> Bind mounts do not honor filesystem mount options. This change will > >> remount filesystems that are bind mounted if there are changes to > >> filesystem mount options, specifically if the mount is readonly. > > > > hi, > > > > Just to make sure I understand what you're saying, > > > > 'mount --bind -o ro /a /b' (when done through mount(2)) will not > > actually make /b readonly, so we need to do a remount in that case > > to get the -o ro to take effect at the vfsmount instead of the sb. > > Is that right? > > And the way to achieve this is to add 'bind' to the remount flags > to change ro attr for the bindmount: > > mount --bind -o remount,rw /a /b > mount --bind -o remount,ro /a /b > > this will make vfsmount readwrite or readonly without touching > the sb. > > Thanks,
Right, but this is using mount(2) in the lxc code :) _______________________________________________ lxc-devel mailing list [email protected] http://lists.linuxcontainers.org/listinfo/lxc-devel
