在 2016/6/29 18:20, Coly Li 写道:
> 在 16/6/22 上午10:10, Yijing Wang 写道:
>> Cache_sb is not used in cache_alloc, and we have copied
>> sb info to cache->sb already, remove it.
>>
>> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
>> ---
>> drivers/md/bcache/super.c | 4 ++--
>> 1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
>> index f5dbb4e..aecaace 100644
>> --- a/drivers/md/bcache/super.c
>> +++ b/drivers/md/bcache/super.c
>> @@ -1803,7 +1803,7 @@ void bch_cache_release(struct kobject *kobj)
>> module_put(THIS_MODULE);
>> }
>>
>> -static int cache_alloc(struct cache_sb *sb, struct cache *ca)
>> +static int cache_alloc(struct cache *ca)
>> {
>> size_t free;
>> struct bucket *b;
>> @@ -1858,7 +1858,7 @@ static int register_cache(struct cache_sb *sb, struct page *sb_page,
>> if (blk_queue_discard(bdev_get_queue(ca->bdev)))
>> ca->discard = CACHE_DISCARD(&ca->sb);
>>
>> - ret = cache_alloc(sb, ca);
>> + ret = cache_alloc(ca);
>
> I am not sure whether struct cache_b *sb will be used in future, I
> suggest to let it be for now.
>
We have copied sb to ca->sb, so if we need sb info in future, we could get info from ca->sb.
Thanks!
Yijing.
>
>
>> if (ret != 0)
>> goto err;
>>
>>
>
>
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