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authorPaul Mundt <lethal@linux-sh.org>2010-02-05 12:16:39 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-02-05 12:16:39 +0900
commit8e04221029067cbaff3fc8f4daf991532afbcbaf (patch)
tree18cf757bcd315c76f5f458aa72a0a57db0a78985 /block/blk-cgroup.c
parent9ad62ec4f752c82b39aa5927f23d894b46ae10b9 (diff)
parent2c940db250c1610d95ea5331dc819b8bd4db96ae (diff)
Merge branch 'sh/stable-updates'
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 1fa2654db0a6..e7dbbaf5fb3e 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;
}