19.11.2014 00:04, Serge Hallyn пишет: > Quoting Abin Shahab (asha...@altiscale.com): >> 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, /mjt _______________________________________________ lxc-devel mailing list lxc-devel@lists.linuxcontainers.org http://lists.linuxcontainers.org/listinfo/lxc-devel
