diff options
| author | Tejun Heo <tj@kernel.org> | 2013-06-14 06:38:26 +0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-06-14 06:42:22 +0400 |
| commit | 2b0e53a7c8a6972755c0f0152d7fad2289fdc5eb (patch) | |
| tree | bf427cbe4b9d85cd5651b01f2f18668e8d12ed45 /kernel/cgroup.c | |
| parent | ea15f8ccdb430af1e8bc9b4e19a230eb4c356777 (diff) | |
| parent | dbece3a0f1ef0b19aff1cc6ed0942fec9ab98de1 (diff) | |
| download | linux-2b0e53a7c8a6972755c0f0152d7fad2289fdc5eb.tar.xz | |
Merge branch 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu into for-3.11
This is to receive percpu_refcount which will replace atomic_t
reference count in cgroup_subsys_state.
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index df6814706cca..ebbfc043153f 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1688,11 +1688,14 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type, */ cgroup_free_root(opts.new_root); - if (((root->flags | opts.flags) & CGRP_ROOT_SANE_BEHAVIOR) && - root->flags != opts.flags) { - pr_err("cgroup: sane_behavior: new mount options should match the existing superblock\n"); - ret = -EINVAL; - goto drop_new_super; + if (root->flags != opts.flags) { + if ((root->flags | opts.flags) & CGRP_ROOT_SANE_BEHAVIOR) { + pr_err("cgroup: sane_behavior: new mount options should match the existing superblock\n"); + ret = -EINVAL; + goto drop_new_super; + } else { + pr_warning("cgroup: new mount options do not match the existing superblock, will be ignored\n"); + } } /* no subsys rebinding, so refcounts don't change */ |