From: sagi@grimberg.me (Sagi Grimberg)
Subject: [PATCH 3/5] nvme-rdma: Make sure to shutdown the controller if we can
Date: Mon, 1 Aug 2016 14:17:37 +0300 [thread overview]
Message-ID: <63b33585-3fd2-a497-94a1-34dc9484da99@grimberg.me> (raw)
In-Reply-To: <20160801110446.GD16141@lst.de>
>> diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
>> index a70eb3cbf656..641ab7f91899 100644
>> --- a/drivers/nvme/host/rdma.c
>> +++ b/drivers/nvme/host/rdma.c
>> @@ -1644,7 +1644,7 @@ static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl)
>> nvme_rdma_free_io_queues(ctrl);
>> }
>>
>> - if (ctrl->ctrl.state == NVME_CTRL_LIVE)
>> + if (test_bit(NVME_RDMA_Q_CONNECTED, &ctrl->queues[0].flags))
>> nvme_shutdown_ctrl(&ctrl->ctrl);
>>
>> blk_mq_stop_hw_queues(ctrl->ctrl.admin_q);
>
> Maybe the right way to handle this is to unconditionally call
> nvme_shutdown_ctrl and make sure we return an early error
> on the register write?
As I wrote on patch 2/5 reply, I'd like to avoid depending on
queue_rq to fail early peeking at the ctrl state. This dependency
can grow in the future and I think we should at least try not to
go there...
next prev parent reply other threads:[~2016-08-01 11:17 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-29 19:57 [PATCH 0/5] Some fabrics fixes Sagi Grimberg
2016-07-29 19:57 ` [PATCH 1/5] nvme-rdma: Fix device removal handling Sagi Grimberg
2016-08-01 11:00 ` Christoph Hellwig
2016-07-29 19:57 ` [PATCH 2/5] nvme-rdma: Free the I/O tags when we delete the controller Sagi Grimberg
2016-08-01 11:03 ` Christoph Hellwig
2016-08-01 11:15 ` Sagi Grimberg
2016-08-01 15:47 ` Christoph Hellwig
2016-08-02 6:14 ` Sagi Grimberg
2016-07-29 19:57 ` [PATCH 3/5] nvme-rdma: Make sure to shutdown the controller if we can Sagi Grimberg
2016-08-01 11:04 ` Christoph Hellwig
2016-08-01 11:17 ` Sagi Grimberg [this message]
2016-08-01 15:48 ` Christoph Hellwig
2016-08-02 6:19 ` Sagi Grimberg
2016-08-02 12:52 ` Christoph Hellwig
2016-08-02 13:26 ` Sagi Grimberg
2016-07-29 19:57 ` [PATCH 4/5] nvme-rdma: Remove duplicate call to nvme_remove_namespaces Sagi Grimberg
2016-08-01 11:06 ` Christoph Hellwig
2016-08-01 11:21 ` Sagi Grimberg
2016-07-29 19:57 ` [PATCH 5/5] nvme-loop: " Sagi Grimberg
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