diff options
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index b8c143d68ee..fa8f2630944 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1655,11 +1655,12 @@ static void blkiocg_attach(struct cgroup_subsys *ss, struct cgroup *cgrp, struct io_context *ioc; cgroup_taskset_for_each(task, cgrp, tset) { - task_lock(task); - ioc = task->io_context; - if (ioc) - ioc->cgroup_changed = 1; - task_unlock(task); + /* we don't lose anything even if ioc allocation fails */ + ioc = get_task_io_context(task, GFP_ATOMIC, NUMA_NO_NODE); + if (ioc) { + ioc_cgroup_changed(ioc); + put_io_context(ioc, NULL); + } } } |