Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1714507 > unrolled thread

Re: [PATCH v4] bcache: Don't reinvent the wheel but use existing llist API

Started byByungchul Park <byungchul.park@lge.com>
First post2017-08-18 03:30 +0200
Last post2017-08-18 08:20 +0200
Articles 3 — 2 participants

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.


Contents

  Re: [PATCH v4] bcache: Don't reinvent the wheel but use existing  llist API Byungchul Park <byungchul.park@lge.com> - 2017-08-18 03:30 +0200
    Re: [PATCH v4] bcache: Don't reinvent the wheel but use existing  llist API Coly Li <i@coly.li> - 2017-08-18 08:10 +0200
      Re: [PATCH v4] bcache: Don't reinvent the wheel but use existing  llist API Byungchul Park <byungchul.park@lge.com> - 2017-08-18 08:20 +0200

#1714507 — Re: [PATCH v4] bcache: Don't reinvent the wheel but use existing llist API

FromByungchul Park <byungchul.park@lge.com>
Date2017-08-18 03:30 +0200
SubjectRe: [PATCH v4] bcache: Don't reinvent the wheel but use existing llist API
Message-ID<ufEgO-4CU-3@gated-at.bofh.it>
On Fri, Aug 11, 2017 at 01:42:23PM +0900, Byungchul Park wrote:
> Although llist provides proper APIs, they are not used. Make them used.

Any opinions about this?

> 
> Signed-off-by: Byungchul Park <byungchul.park@lge.com>
> Acked-by: Coly Li <colyli@suse.de>
> ---
>  drivers/md/bcache/closure.c | 15 ++-------------
>  1 file changed, 2 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
> index 864e673..7d5286b 100644
> --- a/drivers/md/bcache/closure.c
> +++ b/drivers/md/bcache/closure.c
> @@ -70,21 +70,10 @@ void __closure_wake_up(struct closure_waitlist *wait_list)
>  	list = llist_del_all(&wait_list->list);
>  
>  	/* We first reverse the list to preserve FIFO ordering and fairness */
> -
> -	while (list) {
> -		struct llist_node *t = list;
> -		list = llist_next(list);
> -
> -		t->next = reverse;
> -		reverse = t;
> -	}
> +	reverse = llist_reverse_order(list);
>  
>  	/* Then do the wakeups */
> -
> -	while (reverse) {
> -		cl = container_of(reverse, struct closure, list);
> -		reverse = llist_next(reverse);
> -
> +	llist_for_each_entry(cl, reverse, list) {
>  		closure_set_waiting(cl, 0);
>  		closure_sub(cl, CLOSURE_WAITING + 1);
>  	}
> -- 
> 1.9.1

[toc] | [next] | [standalone]


#1714590

FromColy Li <i@coly.li>
Date2017-08-18 08:10 +0200
Message-ID<ufIDL-7Ok-11@gated-at.bofh.it>
In reply to#1714507
On 2017/8/18 上午9:24, Byungchul Park wrote:
> On Fri, Aug 11, 2017 at 01:42:23PM +0900, Byungchul Park wrote:
>> Although llist provides proper APIs, they are not used. Make them used.
> 
> Any opinions about this?
> 

The patch is good. If Eric has no time, I will take care of it later.

Thanks.

Coly

>>
>> Signed-off-by: Byungchul Park <byungchul.park@lge.com>
>> Acked-by: Coly Li <colyli@suse.de>
>> ---
>>  drivers/md/bcache/closure.c | 15 ++-------------
>>  1 file changed, 2 insertions(+), 13 deletions(-)
>>
>> diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
>> index 864e673..7d5286b 100644
>> --- a/drivers/md/bcache/closure.c
>> +++ b/drivers/md/bcache/closure.c
>> @@ -70,21 +70,10 @@ void __closure_wake_up(struct closure_waitlist *wait_list)
>>  	list = llist_del_all(&wait_list->list);
>>  
>>  	/* We first reverse the list to preserve FIFO ordering and fairness */
>> -
>> -	while (list) {
>> -		struct llist_node *t = list;
>> -		list = llist_next(list);
>> -
>> -		t->next = reverse;
>> -		reverse = t;
>> -	}
>> +	reverse = llist_reverse_order(list);
>>  
>>  	/* Then do the wakeups */
>> -
>> -	while (reverse) {
>> -		cl = container_of(reverse, struct closure, list);
>> -		reverse = llist_next(reverse);
>> -
>> +	llist_for_each_entry(cl, reverse, list) {
>>  		closure_set_waiting(cl, 0);
>>  		closure_sub(cl, CLOSURE_WAITING + 1);
>>  	}
>> -- 
>> 1.9.1

[toc] | [prev] | [next] | [standalone]


#1714598

FromByungchul Park <byungchul.park@lge.com>
Date2017-08-18 08:20 +0200
Message-ID<ufINr-7RS-7@gated-at.bofh.it>
In reply to#1714590
On Fri, Aug 18, 2017 at 02:04:20PM +0800, Coly Li wrote:
> On 2017/8/18 上午9:24, Byungchul Park wrote:
> > On Fri, Aug 11, 2017 at 01:42:23PM +0900, Byungchul Park wrote:
> >> Although llist provides proper APIs, they are not used. Make them used.
> > 
> > Any opinions about this?
> > 
> 
> The patch is good. If Eric has no time, I will take care of it later.

Hi, Coly

Thanks a lot. :)

[toc] | [prev] | [standalone]


Back to top | Article view | linux.kernel


csiph-web