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From: Christoph Hellwig <hch@lst.de>
To: Rakesh Pandit <rakesh@tuxera.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Keith Busch <keith.busch@intel.com>,
	Sagi Grimberg <sagi@grimberg.me>,
	linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
	Jens Axboe <axboe@fb.com>, Andy Lutomirski <luto@kernel.org>
Subject: Re: [PATCH V2] nvme: fix nvme_remove going to uninterruptible sleep for ever
Date: Thu, 1 Jun 2017 14:46:32 +0200	[thread overview]
Message-ID: <20170601124631.GA28652@lst.de> (raw)
In-Reply-To: <20170601123650.GA18883@dhcp-216.srv.tuxera.com>

On Thu, Jun 01, 2017 at 03:36:50PM +0300, Rakesh Pandit wrote:
> Also Sagi pointed out that user space set_features ioctl if fired up
> in a window after nvme_removal it can also result in this issue seems
> to be correct.  I would prefer to keep this as it is and introduce
> similar check higher up in nvme_ioctrl instead so that we don't send
> sync commands if queues are killed already.
> 
> Would you prefer a patch ? Thanks,

If we want to kill everyone we probably should do it in ->queue_rq.
Or is the block layer blocking you somewhere else?

  reply	other threads:[~2017-06-01 12:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-30  7:16 [PATCH V2] nvme: fix nvme_remove going to uninterruptible sleep for ever Rakesh Pandit
2017-05-30  9:36 ` Christoph Hellwig
2017-05-30 10:18 ` Sagi Grimberg
2017-05-30 14:23   ` Rakesh Pandit
2017-06-01 11:43     ` Christoph Hellwig
2017-06-01 12:28       ` Rakesh Pandit
2017-06-01 12:35         ` Christoph Hellwig
2017-06-01 12:36         ` Rakesh Pandit
2017-06-01 12:46           ` Christoph Hellwig [this message]
2017-06-01 14:56             ` Ming Lei
2017-06-01 19:33               ` Rakesh Pandit
2017-06-02  1:42                 ` Ming Lei
2017-06-04 15:28       ` Sagi Grimberg
2017-06-05  8:18         ` Christoph Hellwig
2017-06-05 10:52           ` Rakesh Pandit
2017-06-05 11:09             ` Sagi Grimberg

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