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From: Tejun Heo <tj@kernel.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-ide@vger.kernel.org, Chris Samuel <chris@csamuel.org>,
	Marc MERLIN <marc@merlins.org>
Subject: Re: [PATCH 1/2] libata: Expose trim capability in sysfs
Date: Wed, 16 Apr 2014 16:16:13 -0400	[thread overview]
Message-ID: <20140416201613.GI22569@htj.dyndns.org> (raw)
In-Reply-To: <1396399357-28388-1-git-send-email-martin.petersen@oracle.com>

Hello,

On Tue, Apr 01, 2014 at 08:42:36PM -0400, Martin K. Petersen wrote:
> +static ssize_t
> +show_ata_dev_trim(struct device *dev,
> +		  struct device_attribute *attr, char *buf)
> +{
> +	struct ata_device *ata_dev = transport_class_to_dev(dev);
> +	unsigned int mode;

Let's please just do

	const char *mode = "unsupported";

	if (ata_id_has_trim(ata_dev->id)) {
		if (ata_fpdma_dsm_supported(ata_dev))
			mode = "queued";
		else
			mode = "unqueued";
	}

	return sprintf(buf, "%s\n", mode);

Thanks.

-- 
tejun

      parent reply	other threads:[~2014-04-16 20:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-02  0:42 [PATCH 1/2] libata: Expose trim capability in sysfs Martin K. Petersen
2014-04-02  0:42 ` [PATCH 2/2] libata: Update queued trim blacklist for M5x0 drives Martin K. Petersen
2014-04-02 17:11   ` Tejun Heo
2014-04-02 17:09 ` [PATCH 1/2] libata: Expose trim capability in sysfs Tejun Heo
2014-04-02 17:26   ` Martin K. Petersen
2014-04-04 17:29     ` Marc MERLIN
2014-04-04 21:49 ` Chris Samuel
2014-04-05  8:12 ` Chris Samuel
2014-04-07 19:52   ` Martin K. Petersen
2014-04-06  4:03 ` Marc MERLIN
     [not found]   ` <1403024.0HLhjfholh@quad>
2014-04-06  6:19     ` Marc MERLIN
2014-04-16 20:16 ` Tejun Heo [this message]

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