NVMe: End queued bio requests when freeing queue

If the queue has bios queued on it when it is freed, bio_endio() must be
called for them first.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>

diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 954a610..af88635 100644 (file)
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -909,6 +909,10 @@ static void nvme_free_queue(struct nvme_dev *dev, int qid)
 
        spin_lock_irq(&nvmeq->q_lock);
        nvme_cancel_ios(nvmeq, false);
+       while (bio_list_peek(&nvmeq->sq_cong)) {
+               struct bio *bio = bio_list_pop(&nvmeq->sq_cong);
+               bio_endio(bio, -EIO);
+       }
        spin_unlock_irq(&nvmeq->q_lock);
 
        irq_set_affinity_hint(vector, NULL);