linux-kernel - Re: [PATCH 2/2] bcache: remove unused parameter

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Message-ID: <b5051477-73bd-0c74-a371-2c2f547e5c6e@coly.li>
Date:   Sun, 27 Nov 2016 16:00:47 +0800
From:   Coly Li <i@...y.li>
To:     Yijing Wang <wangyijing@...wei.com>, axboe@...com,
        kent.overstreet@...il.com
Cc:     git@...ux.ewheeler.net, colyli@...e.de,
        linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] bcache: remove unused parameter

On 2016/11/25 上午9:40, Yijing Wang wrote:
> Parameter bio is no longer used, clean it.
> 
> Signed-off-by: Yijing Wang <wangyijing@...wei.com>
> ---
>  drivers/md/bcache/request.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
> index 40ffe5e..bf6e432 100644
> --- a/drivers/md/bcache/request.c
> +++ b/drivers/md/bcache/request.c
> @@ -26,12 +26,12 @@ struct kmem_cache *bch_search_cache;
>  
>  static void bch_data_insert_start(struct closure *);
>  
> -static unsigned cache_mode(struct cached_dev *dc, struct bio *bio)
> +static unsigned cache_mode(struct cached_dev *dc)
>  {
>  	return BDEV_CACHE_MODE(&dc->sb);
>  }
>  
> -static bool verify(struct cached_dev *dc, struct bio *bio)
> +static bool verify(struct cached_dev *dc)
>  {
>  	return dc->verify;
>  }
> @@ -371,7 +371,7 @@ static struct hlist_head *iohash(struct cached_dev *dc, uint64_t k)
>  static bool check_should_bypass(struct cached_dev *dc, struct bio *bio)
>  {
>  	struct cache_set *c = dc->disk.c;
> -	unsigned mode = cache_mode(dc, bio);
> +	unsigned mode = cache_mode(dc);
>  	unsigned sectors, congested = bch_get_congested(c);
>  	struct task_struct *task = current;
>  	struct io *i;
> @@ -746,7 +746,7 @@ static void cached_dev_read_done(struct closure *cl)
>  		s->cache_miss = NULL;
>  	}
>  
> -	if (verify(dc, &s->bio.bio) && s->recoverable && !s->read_dirty_data)
> +	if (verify(dc) && s->recoverable && !s->read_dirty_data)
>  		bch_data_verify(dc, s->orig_bio);
>  
>  	bio_complete(s);
> @@ -771,7 +771,7 @@ static void cached_dev_read_done_bh(struct closure *cl)
>  
>  	if (s->iop.error)
>  		continue_at_nobarrier(cl, cached_dev_read_error, bcache_wq);
> -	else if (s->iop.bio || verify(dc, &s->bio.bio))
> +	else if (s->iop.bio || verify(dc))
>  		continue_at_nobarrier(cl, cached_dev_read_done, bcache_wq);
>  	else
>  		continue_at_nobarrier(cl, cached_dev_bio_complete, NULL);
> @@ -898,7 +898,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s)
>  		s->iop.bypass = true;
>  
>  	if (should_writeback(dc, s->orig_bio,
> -			     cache_mode(dc, bio),
> +			     cache_mode(dc),
>  			     s->iop.bypass)) {
>  		s->iop.bypass = false;
>  		s->iop.writeback = true;
> 

Acked-by: Coly Li <colyli@...e.de>

-- 
Coly Li