diff options
| author |   Milosz Tanski <milosz@adfin.com> | 2013-09-06 16:41:20 +0000 |
|---|---|---|
| committer | Milosz Tanski <milosz@adfin.com> | 2013-09-06 16:41:20 +0000 |
| commit | cd0a2df681ec2af45f50c555c2a39dc92a4dff71 (patch) | |
| tree | 35d2278a9494582025f3dac08feb2266adef6a4d /kernel/cpuset.c | |
| parent | rbd: fix null dereference in dout (diff) | |
| parent | fscache: Netfs function for cleanup post readpages (diff) | |
Merge tag 'fscache-fixes-for-ceph' into wip-fscache
Patches for Ceph FS-Cache support
Diffstat (limited to 'kernel/cpuset.c')
| -rw-r--r-- | kernel/cpuset.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index e5657788fedd..ea1966db34f2 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -475,13 +475,17 @@ static int validate_change(const struct cpuset *cur, const struct cpuset *trial) /* * Cpusets with tasks - existing or newly being attached - can't - * have empty cpus_allowed or mems_allowed. + * be changed to have empty cpus_allowed or mems_allowed. */ ret = -ENOSPC; - if ((cgroup_task_count(cur->css.cgroup) || cur->attach_in_progress) && - (cpumask_empty(trial->cpus_allowed) && - nodes_empty(trial->mems_allowed))) - goto out; + if ((cgroup_task_count(cur->css.cgroup) || cur->attach_in_progress)) { + if (!cpumask_empty(cur->cpus_allowed) && + cpumask_empty(trial->cpus_allowed)) + goto out; + if (!nodes_empty(cur->mems_allowed) && + nodes_empty(trial->mems_allowed)) + goto out; + } ret = 0; out: @@ -1608,11 +1612,13 @@ static int cpuset_write_u64(struct cgroup *cgrp, struct cftype *cft, u64 val) { struct cpuset *cs = cgroup_cs(cgrp); cpuset_filetype_t type = cft->private; - int retval = -ENODEV; + int retval = 0; mutex_lock(&cpuset_mutex); - if (!is_cpuset_online(cs)) + if (!is_cpuset_online(cs)) { + retval = -ENODEV; goto out_unlock; + } switch (type) { case FILE_CPU_EXCLUSIVE: |