From: Christoph Hellwig <hch@infradead.org>
To: Hannes Reinecke <hare@suse.de>
Cc: Mike Snitzer <snitzer@redhat.com>,
dm-devel-redhat.com@suse.de,
Damien Le Moal <damien.lemoal@hgst.com>,
linux-scsi@vger.kernel.org, linux-block@vger.kernel.org,
Jens Axboe <axboe@fb.com>
Subject: Re: [PATCH 1/3] block: add flag for single-threaded submission
Date: Wed, 20 Jul 2016 22:54:31 -0700 [thread overview]
Message-ID: <20160721055431.GB14568@infradead.org> (raw)
In-Reply-To: <1468936978-9124-2-git-send-email-hare@suse.de>
On Tue, Jul 19, 2016 at 04:02:56PM +0200, Hannes Reinecke wrote:
> Some devices (most notably SMR drives) support only
> one I/O stream eg for ensuring ordered I/O submission.
> This patch adds a new block queue flag
> 'BLK_QUEUE_SINGLE' to support these devices.
We'll need a blk-mq implementation of this flag as well before it can
be merged.
next prev parent reply other threads:[~2016-07-21 5:54 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-19 14:02 [PATCH 0/3] dm-zoned target for ZBC devices Hannes Reinecke
2016-07-19 14:02 ` [PATCH 1/3] block: add flag for single-threaded submission Hannes Reinecke
2016-07-20 1:13 ` Damien Le Moal
2016-07-21 5:54 ` Christoph Hellwig [this message]
2016-07-21 6:01 ` Hannes Reinecke
2016-07-21 6:37 ` Hannes Reinecke
2016-07-21 7:10 ` Damien Le Moal
2016-07-21 14:38 ` Christoph Hellwig
2016-07-19 14:02 ` [PATCH 2/3] sd: enable single-threaded I/O submission for zoned devices Hannes Reinecke
2016-07-20 1:15 ` Damien Le Moal
2016-07-19 14:02 ` [PATCH 3/3] dm-zoned: New device mapper target for zoned block devices Hannes Reinecke
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