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From: "hch@lst.de" <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: "hch@lst.de" <hch@lst.de>, Keith Busch <kbusch@kernel.org>,
	Javier Gonzalez <javier.gonz@samsung.com>,
	"javier@javigon.com" <javier@javigon.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"sagi@grimberg.me" <sagi@grimberg.me>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"joshi.k@samsung.com" <joshi.k@samsung.com>,
	"Klaus B. Jensen" <k.jensen@samsung.com>,
	"Niklas.Cassel@wdc.com" <Niklas.Cassel@wdc.com>
Subject: Re: [PATCH V2] nvme: report capacity 0 for non supported ZNS SSDs
Date: Wed, 4 Nov 2020 15:29:08 +0100	[thread overview]
Message-ID: <20201104142908.GA7941@lst.de> (raw)
In-Reply-To: <23e10fd1-d20c-cf77-4dc0-dd8b0774fd7a@suse.de>

On Wed, Nov 04, 2020 at 03:26:46PM +0100, Hannes Reinecke wrote:
> I hardly dare to mention bsg here; but the is pretty similar to what it set 
> out to do ...

Except that:

 a) we created a complete mess with bsg by overloading the scsi ioctls
    with some of the transport stuff.  
 b) bsg would not work with existing tools.  A character device that
    accepts the same ioctl will just work.

WARNING: multiple messages have this Message-ID (diff)
From: "hch@lst.de" <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: "axboe@kernel.dk" <axboe@kernel.dk>,
	"Niklas.Cassel@wdc.com" <Niklas.Cassel@wdc.com>,
	"javier@javigon.com" <javier@javigon.com>,
	"sagi@grimberg.me" <sagi@grimberg.me>,
	"joshi.k@samsung.com" <joshi.k@samsung.com>,
	"Klaus B. Jensen" <k.jensen@samsung.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	Keith Busch <kbusch@kernel.org>,
	Javier Gonzalez <javier.gonz@samsung.com>,
	"hch@lst.de" <hch@lst.de>
Subject: Re: [PATCH V2] nvme: report capacity 0 for non supported ZNS SSDs
Date: Wed, 4 Nov 2020 15:29:08 +0100	[thread overview]
Message-ID: <20201104142908.GA7941@lst.de> (raw)
In-Reply-To: <23e10fd1-d20c-cf77-4dc0-dd8b0774fd7a@suse.de>

On Wed, Nov 04, 2020 at 03:26:46PM +0100, Hannes Reinecke wrote:
> I hardly dare to mention bsg here; but the is pretty similar to what it set 
> out to do ...

Except that:

 a) we created a complete mess with bsg by overloading the scsi ioctls
    with some of the transport stuff.  
 b) bsg would not work with existing tools.  A character device that
    accepts the same ioctl will just work.

_______________________________________________
Linux-nvme mailing list
Linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme

  reply	other threads:[~2020-11-04 14:29 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20201102161505eucas1p19415e34eb0b14c7eca5a2c648569cf1e@eucas1p1.samsung.com>
     [not found] ` <0916865d50c640e3aa95dc542f3986b9@CAMSVWEXC01.scsc.local>
2020-11-02 16:30   ` [PATCH V2] nvme: report capacity 0 for non supported ZNS SSDs Niklas Cassel
2020-11-02 16:30     ` Niklas Cassel
2020-11-02 21:25     ` Javier Gonzalez
2020-11-02 21:25       ` Javier Gonzalez
2020-11-02 18:08   ` [PATCH V2] " hch
2020-11-02 18:08     ` hch
2020-11-02 18:33     ` Keith Busch
2020-11-02 18:33       ` Keith Busch
2020-11-02 18:58       ` hch
2020-11-02 18:58         ` hch
2020-11-02 21:24         ` Javier Gonzalez
2020-11-02 21:24           ` Javier Gonzalez
2020-11-03  9:06           ` hch
2020-11-03  9:06             ` hch
2020-11-03 14:10             ` Javier Gonzalez
2020-11-03 14:10               ` Javier Gonzalez
2020-11-03 15:26               ` hch
2020-11-03 15:26                 ` hch
2020-11-03 15:54                 ` Javier Gonzalez
2020-11-03 15:54                   ` Javier Gonzalez
2020-11-04 14:26         ` [PATCH V2] " Hannes Reinecke
2020-11-04 14:26           ` Hannes Reinecke
2020-11-04 14:29           ` hch [this message]
2020-11-04 14:29             ` hch
2020-11-04 14:46             ` Hannes Reinecke
2020-11-04 14:46               ` Hannes Reinecke
2020-11-05  7:37               ` hch
2020-11-05  7:37                 ` hch
2020-11-05  7:42                 ` Hannes Reinecke
2020-11-05  7:42                   ` Hannes Reinecke
2020-11-02 13:22 Javier González
2020-11-02 13:22 ` Javier González
2020-11-02 15:44 ` Keith Busch
2020-11-02 15:44   ` Keith Busch

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