linux-kernel - Re: [RFC PATCH v1 1/8] zram: simplify and optimize zram_to

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Date:	Tue, 04 Jun 2013 22:31:18 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Jerome Marchand <jmarchan@...hat.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Nitin Gupta <ngupta@...are.org>,
	Minchan Kim <minchan@...nel.org>,
	Yijing Wang <wangyijing@...wei.com>,
	Jiang Liu <jiang.liu@...wei.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v1 1/8] zram: simplify and optimize zram_to_dev()

On Tue 04 Jun 2013 09:09:05 PM CST, Jerome Marchand wrote:
> Hi,
>
> Please write a commit message, no matter how straightforward a patch may
> seem to you.
> Also the subject suffers from dyslexia: it's dev_to_zram, not zram_to_dev.
>
> Thanks,
> Jerome
Hi Jerome,
     Thanks for review, will fix it in next version.
Regards!
Gerry

>
> On 06/03/2013 05:42 PM, Jiang Liu wrote:
>> Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
>> ---
>>  drivers/staging/zram/zram_sysfs.c | 13 ++-----------
>>  1 file changed, 2 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c
>> index e6a929d..8cb7822 100644
>> --- a/drivers/staging/zram/zram_sysfs.c
>> +++ b/drivers/staging/zram/zram_sysfs.c
>> @@ -30,18 +30,9 @@ static u64 zram_stat64_read(struct zram *zram, u64 *v)
>>  	return val;
>>  }
>>
>> -static struct zram *dev_to_zram(struct device *dev)
>> +static inline struct zram *dev_to_zram(struct device *dev)
>>  {
>> -	int i;
>> -	struct zram *zram = NULL;
>> -
>> -	for (i = 0; i < zram_get_num_devices(); i++) {
>> -		zram = &zram_devices[i];
>> -		if (disk_to_dev(zram->disk) == dev)
>> -			break;
>> -	}
>> -
>> -	return zram;
>> +	return (struct zram *)dev_to_disk(dev)->private_data;
>>  }
>>
>>  static ssize_t disksize_show(struct device *dev,
>>
>

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