[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <e62600da-4a1c-f797-8fdb-2938ca58f25e@opensource.wdc.com>
Date: Fri, 21 Oct 2022 18:44:40 +0900
From: Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To: yexingchen116@...il.com, axboe@...nel.dk
Cc: kch@...dia.com, johannes.thumshirn@....com, bvanassche@....org,
ming.lei@...hat.com, vincent.fu@...sung.com,
shinichiro.kawasaki@....com, linux-block@...r.kernel.org,
linux-kernel@...r.kernel.org, ye xingchen <ye.xingchen@....com.cn>
Subject: Re: [PATCH linux-next] null_blk: use sysfs_emit() to instead of
scnprintf()
On 10/21/22 17:54, yexingchen116@...il.com wrote:
> From: ye xingchen <ye.xingchen@....com.cn>
>
> Replace the open-code with sysfs_emit() to simplify the code.
>
> Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
Reviewed-by: Damien Le Moal <damien.lemoal@...nsource.wdc.com>
> ---
> drivers/block/null_blk/main.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
> index 1f154f92f4c2..5317ef2ba227 100644
> --- a/drivers/block/null_blk/main.c
> +++ b/drivers/block/null_blk/main.c
> @@ -255,18 +255,18 @@ static inline struct nullb_device *to_nullb_device(struct config_item *item)
>
> static inline ssize_t nullb_device_uint_attr_show(unsigned int val, char *page)
> {
> - return snprintf(page, PAGE_SIZE, "%u\n", val);
> + return sysfs_emit(page, "%u\n", val);
> }
>
> static inline ssize_t nullb_device_ulong_attr_show(unsigned long val,
> char *page)
> {
> - return snprintf(page, PAGE_SIZE, "%lu\n", val);
> + return sysfs_emit(page, "%lu\n", val);
> }
>
> static inline ssize_t nullb_device_bool_attr_show(bool val, char *page)
> {
> - return snprintf(page, PAGE_SIZE, "%u\n", val);
> + return sysfs_emit(page, "%u\n", val);
> }
>
> static ssize_t nullb_device_uint_attr_store(unsigned int *val,
--
Damien Le Moal
Western Digital Research
Powered by blists - more mailing lists