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-rw-r--r--block/blk-cgroup.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 86e7066a0b62..b06ca70354e3 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1411,13 +1411,14 @@ static void blkiocg_destroy(struct cgroup_subsys *subsys, struct cgroup *cgroup)
/*
* This blkio_group is being unlinked as associated cgroup is
* going away. Let all the IO controlling policies know about
- * this event. Currently this is static call to one io
- * controlling policy. Once we have more policies in place, we
- * need some dynamic registration of callback function.
+ * this event.
*/
spin_lock(&blkio_list_lock);
- list_for_each_entry(blkiop, &blkio_list, list)
+ list_for_each_entry(blkiop, &blkio_list, list) {
+ if (blkiop->plid != blkg->plid)
+ continue;
blkiop->ops.blkio_unlink_group_fn(key, blkg);
+ }
spin_unlock(&blkio_list_lock);
} while (1);