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From: Jiang Liu <liuj97@gmail.com>
To: Jerome Marchand <jmarchan@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Nitin Gupta <ngupta@vflare.org>, Minchan Kim <minchan@kernel.org>,
	Yijing Wang <wangyijing@huawei.com>,
	Jiang Liu <jiang.liu@huawei.com>,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v1 1/8] zram: simplify and optimize zram_to_dev()
Date: Tue, 04 Jun 2013 22:31:18 +0800	[thread overview]
Message-ID: <51ADFA36.7080405@gmail.com> (raw)
In-Reply-To: <51ADE6F1.90709@redhat.com>

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@huawei.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,
>>
>


  reply	other threads:[~2013-06-04 14:31 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-03 15:42 [RFC PATCH v1 0/8] small bugfixes and code improvements for zram Jiang Liu
2013-06-03 15:42 ` [RFC PATCH v1 1/8] zram: simplify and optimize zram_to_dev() Jiang Liu
2013-06-04 13:09   ` Jerome Marchand
2013-06-04 14:31     ` Jiang Liu [this message]
2013-06-03 15:42 ` [RFC PATCH v1 2/8] zram: avoid invalid memory access in zram_exit() Jiang Liu
2013-06-04  9:03   ` Minchan Kim
2013-06-04 14:27     ` Jiang Liu
2013-06-03 15:42 ` [RFC PATCH v1 3/8] zram: use zram->lock to protect zram_free_page() in swap free notify path Jiang Liu
2013-06-03 15:42 ` [RFC PATCH v1 4/8] zram: destroy all devices on error recovery path in zram_init() Jiang Liu
2013-06-04  8:49   ` Dan Carpenter
2013-06-04 14:57     ` Jiang Liu
2013-06-03 15:42 ` [RFC PATCH v1 5/8] zram: avoid double free in error recovery path of zram_bvec_write() Jiang Liu
2013-06-04 13:27   ` Jerome Marchand
2013-06-03 15:42 ` [RFC PATCH v1 6/8] zram: avoid access beyond the zram device Jiang Liu
2013-06-04 13:15   ` Jerome Marchand
2013-06-04 15:09     ` Jiang Liu
2013-06-05  8:52       ` Jerome Marchand
2013-06-03 15:42 ` [RFC PATCH v1 7/8] zram: optimize memory operations with clear_page()/copy_page() Jiang Liu
2013-06-03 15:42 ` [RFC PATCH v1 8/8] zram: protect sysfs handler from invalid memory access Jiang Liu
2013-06-04  9:00 ` [RFC PATCH v1 0/8] small bugfixes and code improvements for zram Minchan Kim

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