From: Keith Busch <keith.busch@intel.com>
To: "jianchao.wang" <jianchao.w.wang@oracle.com>
Cc: Sagi Grimberg <sagi@grimberg.me>,
axboe@fb.com, hch@lst.de, linux-nvme@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 0/6]nvme-pci: fixes on nvme_timeout and nvme_dev_disable
Date: Fri, 9 Feb 2018 10:12:31 -0700 [thread overview]
Message-ID: <20180209171231.GB6970@localhost.localdomain> (raw)
In-Reply-To: <db5fe34b-3ffb-a658-d4d6-a1c619b2d590@oracle.com>
On Fri, Feb 09, 2018 at 09:50:58AM +0800, jianchao.wang wrote:
>
> if we set NVME_REQ_CANCELLED and return BLK_EH_HANDLED as the RESETTING case,
> nvme_reset_work will hang forever, because no one could complete the entered requests.
Except it's no longer in the "RESETTING" case since you added the
"CONNECTING" state, so that's already broken for other reasons...
WARNING: multiple messages have this Message-ID (diff)
From: keith.busch@intel.com (Keith Busch)
Subject: [PATCH V2 0/6]nvme-pci: fixes on nvme_timeout and nvme_dev_disable
Date: Fri, 9 Feb 2018 10:12:31 -0700 [thread overview]
Message-ID: <20180209171231.GB6970@localhost.localdomain> (raw)
In-Reply-To: <db5fe34b-3ffb-a658-d4d6-a1c619b2d590@oracle.com>
On Fri, Feb 09, 2018@09:50:58AM +0800, jianchao.wang wrote:
>
> if we set NVME_REQ_CANCELLED and return BLK_EH_HANDLED as the RESETTING case,
> nvme_reset_work will hang forever, because no one could complete the entered requests.
Except it's no longer in the "RESETTING" case since you added the
"CONNECTING" state, so that's already broken for other reasons...
next prev parent reply other threads:[~2018-02-09 17:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-05 9:20 [PATCH V2 0/6]nvme-pci: fixes on nvme_timeout and nvme_dev_disable Jianchao Wang
2018-02-05 9:20 ` Jianchao Wang
2018-02-05 9:20 ` [PATCH V2 1/6] nvme-pci: quiesce IO queues prior to disabling device HMB accesses Jianchao Wang
2018-02-05 9:20 ` Jianchao Wang
2018-02-05 9:20 ` [PATCH V2 2/6] nvme-pci: fix the freeze and quiesce for shutdown and reset case Jianchao Wang
2018-02-05 9:20 ` Jianchao Wang
2018-02-05 9:20 ` [PATCH V2 3/6] blk-mq: make blk_mq_rq_update_aborted_gstate a external interface Jianchao Wang
2018-02-05 9:20 ` Jianchao Wang
2018-02-05 9:20 ` [PATCH V2 4/6] nvme-pci: suspend queues based on online_queues Jianchao Wang
2018-02-05 9:20 ` Jianchao Wang
2018-02-05 9:20 ` [PATCH V2 5/6] nvme-pci: break up nvme_timeout and nvme_dev_disable Jianchao Wang
2018-02-05 9:20 ` Jianchao Wang
2018-02-05 9:20 ` [PATCH V2 6/6] nvme-pci: discard wait timeout when delete cq/sq Jianchao Wang
2018-02-05 9:20 ` Jianchao Wang
2018-02-08 15:56 ` [PATCH V2 0/6]nvme-pci: fixes on nvme_timeout and nvme_dev_disable Sagi Grimberg
2018-02-08 15:56 ` Sagi Grimberg
2018-02-08 17:56 ` Keith Busch
2018-02-08 17:56 ` Keith Busch
2018-02-09 1:50 ` jianchao.wang
2018-02-09 1:50 ` jianchao.wang
2018-02-09 17:12 ` Keith Busch [this message]
2018-02-09 17:12 ` Keith Busch
2018-02-10 2:32 ` jianchao.wang
2018-02-10 2:32 ` jianchao.wang
2018-02-10 2:59 ` jianchao.wang
2018-02-10 2:59 ` jianchao.wang
2018-02-11 3:06 ` jianchao.wang
2018-02-11 3:06 ` jianchao.wang
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