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authorFrederic Weisbecker <fweisbec@gmail.com>2010-02-27 16:18:46 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2010-02-27 16:18:46 +0100
commit018cbffe6819f6f8db20a0a3acd9bab9bfd667e4 (patch)
treefadde2521591998dc653fa094c636e8a547e620d /block/blk-cgroup.c
parent1dd2980d990068e20045b90c424518cc7f3657ff (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
downloadop-kernel-dev-018cbffe6819f6f8db20a0a3acd9bab9bfd667e4.zip
op-kernel-dev-018cbffe6819f6f8db20a0a3acd9bab9bfd667e4.tar.gz
Merge commit 'v2.6.33' into perf/core
Merge reason: __percpu annotations need the corresponding sparse address space definition upstream. Conflicts: tools/perf/util/probe-event.c (trivial)
Diffstat (limited to 'block/blk-cgroup.c')
-rw-r--r--block/blk-cgroup.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 1fa2654..e7dbbaf 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -147,16 +147,16 @@ blkiocg_weight_write(struct cgroup *cgroup, struct cftype *cftype, u64 val)
return -EINVAL;
blkcg = cgroup_to_blkio_cgroup(cgroup);
+ spin_lock(&blkio_list_lock);
spin_lock_irq(&blkcg->lock);
blkcg->weight = (unsigned int)val;
hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
- spin_lock(&blkio_list_lock);
list_for_each_entry(blkiop, &blkio_list, list)
blkiop->ops.blkio_update_group_weight_fn(blkg,
blkcg->weight);
- spin_unlock(&blkio_list_lock);
}
spin_unlock_irq(&blkcg->lock);
+ spin_unlock(&blkio_list_lock);
return 0;
}
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