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author | Steven Rostedt <srostedt@redhat.com> | 2010-05-21 11:49:57 -0400 |
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committer | Steven Rostedt <rostedt@goodmis.org> | 2010-05-21 11:49:57 -0400 |
commit | ff5f149b6aec8edbfa3698721667acd043009a33 (patch) | |
tree | d052553eb296dfee3f01b1cb2b717cb7ccf3127a /block/blk-cgroup.c | |
parent | f0218b3e9974f06014b61be8987159f4a20e011e (diff) | |
parent | 580d607cd666dfabfc1c7b0fb08c8ac690c7c87f (diff) | |
download | op-kernel-dev-ff5f149b6aec8edbfa3698721667acd043009a33.zip op-kernel-dev-ff5f149b6aec8edbfa3698721667acd043009a33.tar.gz |
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-7
Conflicts:
include/linux/ftrace_event.h
include/trace/ftrace.h
kernel/trace/trace_event_perf.c
kernel/trace/trace_kprobe.c
kernel/trace/trace_syscalls.c
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'block/blk-cgroup.c')
-rw-r--r-- | block/blk-cgroup.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 5fe03de..2cc682b 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -286,16 +286,16 @@ done: static struct cgroup_subsys_state * blkiocg_create(struct cgroup_subsys *subsys, struct cgroup *cgroup) { - struct blkio_cgroup *blkcg, *parent_blkcg; + struct blkio_cgroup *blkcg; + struct cgroup *parent = cgroup->parent; - if (!cgroup->parent) { + if (!parent) { blkcg = &blkio_root_cgroup; goto done; } /* Currently we do not support hierarchy deeper than two level (0,1) */ - parent_blkcg = cgroup_to_blkio_cgroup(cgroup->parent); - if (css_depth(&parent_blkcg->css) > 0) + if (parent != cgroup->top_cgroup) return ERR_PTR(-EINVAL); blkcg = kzalloc(sizeof(*blkcg), GFP_KERNEL); |