diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index e1293a9189b6..5cc37241a6fb 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1349,14 +1349,21 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data) goto out_unlock; } + /* + * Clear out the files of subsystems that should be removed, do + * this before rebind_subsystems, since rebind_subsystems may + * change this hierarchy's subsys_list. + */ + cgroup_clear_directory(cgrp->dentry, false, removed_mask); + ret = rebind_subsystems(root, opts.subsys_mask); if (ret) { + /* rebind_subsystems failed, re-populate the removed files */ + cgroup_populate_dir(cgrp, false, removed_mask); drop_parsed_module_refcounts(opts.subsys_mask); goto out_unlock; } - /* clear out any existing files and repopulate subsystem files */ - cgroup_clear_directory(cgrp->dentry, false, removed_mask); /* re-populate subsystem files */ cgroup_populate_dir(cgrp, false, added_mask); |