Hello, When I perform the next sequence it finishes ok: mkdir /cgroup/freezer mount -t cgroup -o freezer testf /cgroup/freezer/ umount /cgroup/freezer
I had also added printk in the cgroup unmount handler , cgroup_kill_sb(), immediately in the beginning of the method, and we reach it (kernel/cgroup.c) Now I try the following sequence: mkdir /cgroup/freezer mount -t cgroup -o freezer testf /cgroup/freezer/ mkdir /cgroup/freezer/0 umount /cgroup/freezer We do **not** reach the cgroup_kill_sb()! But there is no error message; moreover, mount | grep freezer returns nothing. ls -al /cgroup/freezer/ also returns noting Now, at this point in running the sequences above, running mount -t cgroup -o freezer testf /cgroup/freezer and ls /cgroup/freezer shows folder "0". Now: running rmdir /cgroup/freezer/0 and umount /cgroup/freezer *does* reach the cgroup unmount handler , cgroup_kill_sb(),. Should we permit unmount if groups still exist under some cgroup topmost root ? regards, DS ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
