From: Keith Busch <keith.busch@intel.com>
Date: Mon, 20 Aug 2012 20:57:49 +0000 (-0600)
Subject: NVMe: End queued bio requests when freeing queue
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3295874b6074d749516d6decd43afad7bf6e38ff;p=linux-beck.git

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 954a61018dc2..af88635e44e4 100644
--- 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);