cgroup: warn if "xattr" is specified with "sane_behavior"

Mount option "xattr" is no longer necessary as it's enabled by default
on kernfs.  Warn if "xattr" is specified with "sane_behavior" so that
the option can be removed in the future.

Signed-off-by: Tejun Heo <[email protected]>
Acked-by: Li Zefan <[email protected]>
This commit is contained in:
Tejun Heo 2014-02-12 09:29:48 -05:00
commit 86bf4b6875
2 changed files with 5 additions and 0 deletions

View file

@ -1267,6 +1267,9 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)
pr_err("cgroup: sane_behavior: clone_children is not allowed\n");
return -EINVAL;
}
if (opts->flags & CGRP_ROOT_XATTR)
pr_warning("cgroup: sane_behavior: xattr is always available, flag unnecessary\n");
}
/*