diff options
| -rw-r--r-- | block/blk-core.c | 10 | ||||
| -rw-r--r-- | block/blk-stat.c | 3 |
2 files changed, 8 insertions, 5 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 78d04ddededc..ad388d5e309a 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -720,6 +720,10 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id) if (!q->backing_dev_info) goto fail_split; + q->stats = blk_alloc_queue_stats(); + if (!q->stats) + goto fail_stats; + q->backing_dev_info->ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_SIZE; q->backing_dev_info->capabilities = BDI_CAP_CGROUP_WRITEBACK; @@ -776,6 +780,8 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id) fail_ref: percpu_ref_exit(&q->q_usage_counter); fail_bdi: + blk_free_queue_stats(q->stats); +fail_stats: bdi_put(q->backing_dev_info); fail_split: bioset_free(q->bio_split); @@ -852,10 +858,6 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio); int blk_init_allocated_queue(struct request_queue *q) { - q->stats = blk_alloc_queue_stats(); - if (!q->stats) - return -ENOMEM; - q->fq = blk_alloc_flush_queue(q, NUMA_NO_NODE, q->cmd_size); if (!q->fq) return -ENOMEM; diff --git a/block/blk-stat.c b/block/blk-stat.c index 0d8721a60db9..188b535cf4d6 100644 --- a/block/blk-stat.c +++ b/block/blk-stat.c @@ -210,7 +210,8 @@ static void blk_stat_free_callback_rcu(struct rcu_head *head) void blk_stat_free_callback(struct blk_stat_callback *cb) { - call_rcu(&cb->rcu, blk_stat_free_callback_rcu); + if (cb) + call_rcu(&cb->rcu, blk_stat_free_callback_rcu); } EXPORT_SYMBOL_GPL(blk_stat_free_callback); |