From badc0e42604c4465facd81d2323e98b3b1eb9188 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 27 Oct 2015 13:37:40 -0300 Subject: Linux-libre 4.2.4-gnu --- block/blk-cgroup.c | 3 +++ block/blk-mq.c | 9 ++++++++- 2 files changed, 11 insertions(+), 1 deletion(-) (limited to 'block') diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index d6283b3f5..9cc48d1d7 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -387,6 +387,9 @@ static void blkg_destroy_all(struct request_queue *q) blkg_destroy(blkg); spin_unlock(&blkcg->lock); } + + q->root_blkg = NULL; + q->root_rl.blkg = NULL; } /* diff --git a/block/blk-mq.c b/block/blk-mq.c index 176262ec3..c69902695 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1807,7 +1807,6 @@ static void blk_mq_map_swqueue(struct request_queue *q) hctx = q->mq_ops->map_queue(q, i); cpumask_set_cpu(i, hctx->cpumask); - cpumask_set_cpu(i, hctx->tags->cpumask); ctx->index_hw = hctx->nr_ctx; hctx->ctxs[hctx->nr_ctx++] = ctx; } @@ -1847,6 +1846,14 @@ static void blk_mq_map_swqueue(struct request_queue *q) hctx->next_cpu = cpumask_first(hctx->cpumask); hctx->next_cpu_batch = BLK_MQ_CPU_WORK_BATCH; } + + queue_for_each_ctx(q, ctx, i) { + if (!cpu_online(i)) + continue; + + hctx = q->mq_ops->map_queue(q, i); + cpumask_set_cpu(i, hctx->tags->cpumask); + } } static void blk_mq_update_tag_set_depth(struct blk_mq_tag_set *set) -- cgit v1.2.3-54-g00ecf