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From: "Javier González" <javier.gonz@samsung.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Minwoo Im <minwoo.im.dev@gmail.com>,
	<linux-nvme@lists.infradead.org>, Keith Busch <kbusch@kernel.org>,
	Jens Axboe <axboe@fb.com>, Sagi Grimberg <sagi@grimberg.me>,
	Kanchan Joshi <joshiiitr@gmail.com>
Subject: Re: [PATCH V2 1/1] nvme: introduce generic per-namespace chardev
Date: Thu, 8 Apr 2021 13:46:53 +0200	[thread overview]
Message-ID: <20210408114653.slyeuzqpdbkvnqzb@mpHalley.local> (raw)
In-Reply-To: <20210408112740.GA9567@lst.de>

On 08.04.2021 13:27, Christoph Hellwig wrote:
>On Thu, Apr 08, 2021 at 12:26:25PM +0200, Javier González wrote:
>> In this case, I believe we should still create the char device so that
>> any OME-specific NVMe device can still be used from user-space without
>> requiring SPDK and a PCI detach.
>
>OME?

OEM... Sorry.

>
>> Does this sound good to you?
>>
>> Regarding the current logic, I would not mind that the block device
>> still appears as a zero capacity too. We can think of removing this in
>> the future as this path becomes more stable. It requeries Kanchan's work
>> on io_uring to be usable for I/O.
>
>I think with the current path this should just work.  If you have
>a device that triggers this case please test it.

Cool. I'll test that.

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  reply	other threads:[~2021-04-08 11:47 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-06  6:48 [PATCH V2 0/1] nvme: introduce generic per-namespace chardev Minwoo Im
2021-04-06  6:48 ` [PATCH V2 1/1] " Minwoo Im
2021-04-07 13:15   ` Christoph Hellwig
2021-04-07 14:11     ` Minwoo Im
2021-04-07 14:21       ` Christoph Hellwig
2021-04-07 15:35         ` Minwoo Im
2021-04-07 15:40           ` Christoph Hellwig
2021-04-07 15:44             ` Minwoo Im
2021-04-07 15:47           ` Minwoo Im
2021-04-07 16:48             ` Christoph Hellwig
2021-04-07 16:59               ` Minwoo Im
2021-04-07 17:09               ` Minwoo Im
2021-04-07 17:14                 ` Christoph Hellwig
2021-04-08  7:11                   ` Javier González
2021-04-08  7:26                     ` Christoph Hellwig
2021-04-08 10:26                       ` Javier González
2021-04-08 11:27                         ` Christoph Hellwig
2021-04-08 11:46                           ` Javier González [this message]
2021-04-08 12:41                   ` Minwoo Im
2021-04-06  9:01 ` [PATCH V2 0/1] " Niklas Cassel
2021-04-06 13:35   ` Minwoo Im
2021-04-06 14:59     ` Christoph Hellwig
2021-04-06 16:23       ` Minwoo Im
2021-04-07  6:00         ` Christoph Hellwig
2021-04-07  6:02           ` Minwoo Im
2021-04-07  7:36       ` Niklas Cassel
2021-04-07  9:39         ` Christoph Hellwig
2021-04-07 10:00           ` Niklas Cassel
2021-04-07 10:34           ` Damien Le Moal
2021-04-07 11:50             ` Javier González
2021-04-06 14:13   ` Kanchan Joshi

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