Commit 0bc88192 authored by Keith Busch's avatar Keith Busch Committed by Jens Axboe

nvme-pci: remove unnecessary nested locking

The nvme pci driver no longer handles completions under the cq lock,
so the nested locking is not necessary.
Signed-off-by: Keith Busch's avatarKeith Busch <>
Reviewed-by: default avatarJens Axboe <>
Reviewed-by: Sagi Grimberg's avatarSagi Grimberg <>
Reviewed-by: default avatarJohannes Thumshirn <>
Signed-off-by: default avatarChristoph Hellwig <>
Signed-off-by: default avatarJens Axboe <>
parent 9ba2a5cb
......@@ -2012,13 +2012,7 @@ static void nvme_del_cq_end(struct request *req, blk_status_t error)
if (!error) {
unsigned long flags;
* We might be called with the AQ cq_lock held
* and the I/O queue cq_lock should always
* nest inside the AQ one.
spin_lock_irqsave_nested(&nvmeq->cq_lock, flags,
spin_lock_irqsave(&nvmeq->cq_lock, flags);
nvme_process_cq(nvmeq, &start, &end, -1);
spin_unlock_irqrestore(&nvmeq->cq_lock, flags);
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