From: Tejun Heo <tj@kernel.org>
To: Adam Manzanares <adam.manzanares@hgst.com>
Cc: axboe@kernel.dk, dan.j.williams@intel.com, hare@suse.de,
martin.petersen@oracle.com, mchristi@redhat.com,
toshi.kani@hpe.com, ming.lei@canonical.com,
sathya.prakash@broadcom.com, chaitra.basappa@broadcom.com,
suganath-prabu.subramani@broadcom.com,
linux-block@vger.kernel.org, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org, MPT-FusionLinux.pdl@broadcom.com,
linux-scsi@vger.kernel.org,
Adam Manzanares <adam.manzanares@wdc.com>
Subject: Re: [PATCH v5 3/4] ata: Enabling ATA Command Priorities
Date: Thu, 13 Oct 2016 19:23:13 -0400 [thread overview]
Message-ID: <20161013232313.GC32534@mtj.duckdns.org> (raw)
In-Reply-To: <1476399631-5799-4-git-send-email-adam.manzanares@hgst.com>
Hello,
On Thu, Oct 13, 2016 at 04:00:30PM -0700, Adam Manzanares wrote:
> This patch checks to see if an ATA device supports NCQ command priorities.
> If so and the user has specified an iocontext that indicates
> IO_PRIO_CLASS_RT then we build a tf with a high priority command.
>
> This is done to improve the tail latency of commands that are high
> priority by passing priority to the device.
>
> Signed-off-by: Adam Manzanares <adam.manzanares@wdc.com>
Looks good to me. Once the block changes are applied, I'll pull it
into libata tree and apply the ata part on top.
Thanks.
--
tejun
next prev parent reply other threads:[~2016-10-13 23:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 23:00 [PATCH v5 0/4] Enabling ATA Command Priorities Adam Manzanares
2016-10-13 23:00 ` [PATCH v5 1/4] block: Add iocontext priority to request Adam Manzanares
2016-10-13 23:00 ` [PATCH v5 2/4] fusion: remove iopriority handling Adam Manzanares
2016-10-13 23:36 ` Shaun Tancheff
2016-10-14 5:34 ` Christoph Hellwig
2016-10-14 18:08 ` Adam Manzanares
2016-10-13 23:00 ` [PATCH v5 3/4] ata: Enabling ATA Command Priorities Adam Manzanares
2016-10-13 23:23 ` Tejun Heo [this message]
2016-10-13 23:00 ` [PATCH v5 4/4] ata: ATA Command Priority Disabled By Default Adam Manzanares
2016-10-13 23:22 ` Tejun Heo
2016-10-13 23:37 ` Adam Manzanares
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