From: axboe@fb.com (Jens Axboe)
Subject: [PATCHv2 1/2] blk-mq: Shared tag enhancements
Date: Mon, 1 Jun 2015 14:35:31 -0600 [thread overview]
Message-ID: <556CC213.5020808@fb.com> (raw)
In-Reply-To: <1433172594-32127-1-git-send-email-keith.busch@intel.com>
On 06/01/2015 09:29 AM, Keith Busch wrote:
> Storage controllers may expose multiple block devices that share hardware
> resources managed by blk-mq. This patch enhances the shared tags so a
> low-level driver can access the shared resources not tied to the unshared
> h/w contexts. This way the LLD can dynamically add and delete disks and
> request queues without having to track all the request_queue hctx's to
> iterate outstanding tags.
v2 looks good to me. I'll apply 1/2 to core, and 2/2 to drivers for 4.2.
--
Jens Axboe
next prev parent reply other threads:[~2015-06-01 20:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-01 15:29 [PATCHv2 1/2] blk-mq: Shared tag enhancements Keith Busch
2015-06-01 15:29 ` [PATCHv2 2/2] NVMe: Remove hctx reliance for multi-namespace Keith Busch
2015-06-01 20:35 ` Jens Axboe [this message]
2015-06-03 7:00 ` [PATCHv2 1/2] blk-mq: Shared tag enhancements Christoph Hellwig
2015-06-03 14:14 ` Keith Busch
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