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Merge branch 'cgroup/for-3.7-fixes' into cgroup/for-3.8

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This is to receive device_cgroup fixes so that further device_cgroup
changes can be made in cgroup/for-3.8.

Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo
2012-11-06 12:26:23 -08:00
parent 1db1e31b1e 201e72acb2
commit 5b805f2a76
1187 changed files with 16318 additions and 12734 deletions
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block/blk-cgroup.c
+10
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@@ -285,6 +285,13 @@ static void blkg_destroy_all(struct request_queue *q)
blkg_destroy(blkg);
spin_unlock(&blkcg->lock);
}
/*
* root blkg is destroyed. Just clear the pointer since
* root_rl does not take reference on root blkg.
*/
q->root_blkg = NULL;
q->root_rl.blkg = NULL;
}
static void blkg_rcu_free(struct rcu_head *rcu_head)
@@ -326,6 +333,9 @@ struct request_list *__blk_queue_next_rl(struct request_list *rl,
*/
if (rl == &q->root_rl) {
ent = &q->blkg_list;
/* There are no more block groups, hence no request lists */
if (list_empty(ent))
return NULL;
} else {
blkg = container_of(rl, struct blkcg_gq, rl);
ent = &blkg->q_node;