Merge branch 'for-linus' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Mainly sending this off now for the writeback fixes, since they fix a
  real regression introduced with the cgroup writeback changes.  The
  NVMe fix could wait for next pull for this series, but it's simple
  enough that we might as well include it.

  This contains:

   - two cgroup writeback fixes from Tejun, fixing a user reported issue
     with luks crypt devices hanging when being closed.

   - NVMe error cleanup fix from Jon Derrick, fixing a case where we'd
     attempt to free an unregistered IRQ"

* 'for-linus' of git://git.kernel.dk/linux-block:
  NVMe: Fix irq freeing when queue_request_irq fails
  writeback: don't drain bdi_writeback_congested on bdi destruction
  writeback: don't embed root bdi_writeback_congested in bdi_writeback

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 34338d7438f5..d1d6141920d3 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -1474,6 +1474,7 @@ static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
 	nvmeq->q_db = &dev->dbs[qid * 2 * dev->db_stride];
 	nvmeq->q_depth = depth;
 	nvmeq->qid = qid;
+	nvmeq->cq_vector = -1;
 	dev->queues[qid] = nvmeq;
 
 	/* make sure queue descriptor is set before queue count, for kthread */
@@ -1726,8 +1727,10 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev)
 
 	nvmeq->cq_vector = 0;
 	result = queue_request_irq(dev, nvmeq, nvmeq->irqname);
-	if (result)
+	if (result) {
+		nvmeq->cq_vector = -1;
 		goto free_nvmeq;
+	}
 
 	return result;
 
@@ -2213,8 +2216,10 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
 	dev->max_qid = nr_io_queues;
 
 	result = queue_request_irq(dev, adminq, adminq->irqname);
-	if (result)
+	if (result) {
+		adminq->cq_vector = -1;
 		goto free_queues;
+	}
 
 	/* Free previously allocated queues that are no longer usable */
 	nvme_free_queues(dev, nr_io_queues + 1);