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From: Christoph Hellwig <hch@infradead.org>
To: Hannes Reinecke <hare@suse.de>
Cc: James Bottomley <jbottomley@parallels.com>,
	Christoph Hellwig <hch@infradead.org>,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH 3/3] scsi: Implement 'ZBC' device type
Date: Mon, 2 Jun 2014 01:39:19 -0700	[thread overview]
Message-ID: <20140602083919.GA31170@infradead.org> (raw)
In-Reply-To: <1401692478-23557-4-git-send-email-hare@suse.de>

On Mon, Jun 02, 2014 at 09:01:18AM +0200, Hannes Reinecke wrote:
> ZBC (zoned block command aka 'SMR drives') devices will have
> a new device type 0x14 assigned by T10. So add the necessary
> mappings to sd.c and make it an alias for ATA ZAC devices.

The libata changes should defintively be a separate one, the sd changes
probably as well.

But I'm uneasy with adding anything like this for now, for one the specs
aren't even anywhere close to done, and second attaching ZBC devices
in general doesn't sound like a very smart idea, we really need a
strategy for the sequential required zones first.

  reply	other threads:[~2014-06-02  8:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-02  7:01 [PATCH 0/3] Initial SMR drive support Hannes Reinecke
2014-06-02  7:01 ` [PATCH 1/3] libata: consolidate ata_dev_classify() Hannes Reinecke
2014-06-02  9:16   ` Christoph Hellwig
2014-06-02  7:01 ` [PATCH 2/3] libata: Implement ATA_DEV_ZAC Hannes Reinecke
2014-06-02  9:17   ` Christoph Hellwig
2014-06-14  6:37     ` Hannes Reinecke
2014-06-02  7:01 ` [PATCH 3/3] scsi: Implement 'ZBC' device type Hannes Reinecke
2014-06-02  8:39   ` Christoph Hellwig [this message]
2014-06-02  8:46     ` Hannes Reinecke
2014-06-02  9:20       ` Christoph Hellwig
2014-06-02  9:19   ` Christoph Hellwig

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