From: Damien Le Moal <Damien.LeMoal@wdc.com>
To: Bart Van Assche <bvanassche@acm.org>,
Jens Axboe <axboe@kernel.dk>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Cc: Sathya Prakash <sathya.prakash@broadcom.com>,
Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>
Subject: Re: [PATCH 7/7] scsi: mpt3sas: Introduce sas_ncq_prio_supported sysfs sttribute
Date: Mon, 2 Aug 2021 22:52:12 +0000 [thread overview]
Message-ID: <DM6PR04MB70812FF9F398ACB374441255E7EF9@DM6PR04MB7081.namprd04.prod.outlook.com> (raw)
In-Reply-To: 82a38e44-f0d5-6089-3297-7a6d1293559c@acm.org
On 2021/08/03 1:00, Bart Van Assche wrote:
> On 8/2/21 2:02 AM, Damien Le Moal wrote:
>> +/**
>> + * sas_ncq_prio_supported_show - Indicate if device supports NCQ priority
>> + * @dev: pointer to embedded device
>> + * @attr: sas_ncq_prio_supported attribute desciptor
>> + * @buf: the buffer returned
>> + *
>> + * A sysfs 'read/write' sdev attribute, only works with SATA
>> + */
>> +static ssize_t
>> +sas_ncq_prio_supported_show(struct device *dev,
>> + struct device_attribute *attr, char *buf)
>> +{
>> + struct scsi_device *sdev = to_scsi_device(dev);
>> +
>> + return snprintf(buf, PAGE_SIZE, "%d\n",
>> + scsih_ncq_prio_supp(sdev));
>> +}
>> +static DEVICE_ATTR_RO(sas_ncq_prio_supported);
>
> Since this is new code, how about using sysfs_emit() instead of snprintf()?
OK. Will do.
>
> Thanks,
>
> Bart.
>
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2021-08-02 22:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-02 9:02 [PATCH 0/7] libata cleanups and improvements Damien Le Moal
2021-08-02 9:02 ` [PATCH 1/7] libata: cleanup device sleep capability detection Damien Le Moal
2021-08-02 9:02 ` [PATCH 2/7] libata: cleanup ata_dev_configure() Damien Le Moal
2021-08-02 9:02 ` [PATCH 3/7] libata: cleanup NCQ priority handling Damien Le Moal
2021-08-02 9:02 ` [PATCH 4/7] libata: fix ata_read_log_page() warning Damien Le Moal
2021-08-02 9:02 ` [PATCH 5/7] libata: print feature list on device scan Damien Le Moal
2021-08-02 9:02 ` [PATCH 6/7] libahci: Introduce ncq_prio_supported sysfs sttribute Damien Le Moal
2021-08-02 9:02 ` [PATCH 7/7] scsi: mpt3sas: Introduce sas_ncq_prio_supported " Damien Le Moal
2021-08-02 16:00 ` Bart Van Assche
2021-08-02 22:52 ` Damien Le Moal [this message]
2021-08-03 7:55 ` Johannes Thumshirn
2021-08-03 8:03 ` Damien Le Moal
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