From: Tejun Heo <tj@kernel.org>
To: Adam Manzanares <adam.manzanares@hgst.com>
Cc: axboe@kernel.dk, linux-block@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH 2/3] ata: Enabling ATA Command Priorities
Date: Thu, 29 Sep 2016 10:45:29 +0200 [thread overview]
Message-ID: <20160929084529.GC11087@mtj.duckdns.org> (raw)
In-Reply-To: <1475000096-6148-3-git-send-email-adam.manzanares@hgst.com>
Hello,
On Tue, Sep 27, 2016 at 11:14:55AM -0700, Adam Manzanares wrote:
> +/**
> + * ata_ncq_prio_enabled - Test whether NCQ prio is enabled
> + * @dev: ATA device to test for
> + *
> + * LOCKING:
> + * spin_lock_irqsave(host lock)
> + *
> + * RETURNS:
> + * 1 if NCQ prio is enabled for @dev, 0 otherwise.
> + */
> +static inline int ata_ncq_prio_enabled(struct ata_device *dev)
> +{
> + return (dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF |
> + ATA_DFLAG_NCQ_PRIO)) == ATA_DFLAG_NCQ_PRIO;
I'm not sure this needs to test PIO and NCQ_OFF. This functions
pretty much can assume that it'd be only called in NCQ context, no?
Thanks.
--
tejun
next prev parent reply other threads:[~2016-09-29 8:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 18:14 [PATCH 0/3] Enabling ATA Command Priorities Adam Manzanares
2016-09-27 18:14 ` [PATCH 1/3] block: Add iocontext priority to request Adam Manzanares
2016-09-29 8:40 ` Tejun Heo
2016-09-30 16:02 ` Adam Manzanares
2016-10-02 8:53 ` Tejun Heo
2016-10-04 15:49 ` Adam Manzanares
2016-10-04 20:52 ` Tejun Heo
2016-09-27 18:14 ` [PATCH 2/3] ata: Enabling ATA Command Priorities Adam Manzanares
2016-09-29 8:45 ` Tejun Heo [this message]
2016-09-30 16:04 ` Adam Manzanares
2016-09-27 18:14 ` [PATCH 3/3] ata: ATA Command Priority Disabled By Default Adam Manzanares
2016-09-28 2:06 ` [PATCH 0/3] Enabling ATA Command Priorities Christoph Hellwig
2016-09-28 3:43 ` Adam Manzanares
2016-09-29 8:48 ` tj
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