2016-11-25 01:37:59

by Yijing Wang

[permalink] [raw]
Subject: [PATCH 2/2] bcache: remove unused parameter

Parameter bio is no longer used, clean it.

Signed-off-by: Yijing Wang <[email protected]>
---
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;
--
2.5.0


2016-11-27 08:01:11

by Coly Li

[permalink] [raw]
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 <[email protected]>
> ---
> 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 <[email protected]>

--
Coly Li

2016-11-28 00:53:05

by Yijing Wang

[permalink] [raw]
Subject: Re: [PATCH 2/2] bcache: remove unused parameter



在 2016/11/27 16:00, Coly Li 写道:
> On 2016/11/25 上午9:40, Yijing Wang wrote:
>> Parameter bio is no longer used, clean it.
>>
>> Signed-off-by: Yijing Wang <[email protected]>
>> ---
>> 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 <[email protected]>

Thanks!

>