[PATCH RFC 3/5] nvme: pci: use admin queue timeout over NVME_ADMIN_TIMEOUT
Maurizio Lombardi
mlombard at arkamax.eu
Wed Feb 18 05:32:06 PST 2026
On Wed Feb 18, 2026 at 2:10 PM CET, Maximilian Heyne wrote:
> On Thu, Feb 12, 2026 at 01:09:49PM +0100, Maurizio Lombardi wrote:
>> From: David Jeffery <djeffery at redhat.com>
>>
>> While tearing down its queues, nvme-pci uses NVME_ADMIN_TIMEOUT as its
>> timeout target. Instead, use the configured admin queue's timeout value
>> when available to match the device's existing timeout setting.
>>
>> Signed-off-by: David Jeffery <djeffery at redhat.com>
>> ---
>> drivers/nvme/host/pci.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
>> index 58f3097888a7..853cd57e4480 100644
>> --- a/drivers/nvme/host/pci.c
>> +++ b/drivers/nvme/host/pci.c
>> @@ -2911,9 +2911,10 @@ static bool __nvme_delete_io_queues(struct nvme_dev *dev, u8 opcode)
>> {
>> int nr_queues = dev->online_queues - 1, sent = 0;
>> unsigned long timeout;
>> + struct request_queue *q = dev->ctrl.admin_q;
>>
>> retry:
>> - timeout = NVME_ADMIN_TIMEOUT;
>> + timeout = q ? q->rq_timeout : NVME_ADMIN_TIMEOUT;
>
> Skimming over the code I think the check is unnecessary since
> ctrl.admin_q is only changed in nvme_alloc_admin_tag_set. Only when this
> succeeds, we'll setup io queues. When they get deleted we will still
> have the ctrl.admin_q being valid.
Yes, afaict you are right and this check is unnecessary, I will remove it.
Maurizio
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