[PATCH v2] erofs: fix bio->bi_max_vecs behavior change

[Chao Yu]

On 2021/3/6 12:04, Gao Xiang wrote:
> From: Gao Xiang <hsiangkao at redhat.com>
> 
> Martin reported an issue that directory read could be hung on the
> latest -rc kernel with some certain image. The root cause is that
> commit baa2c7c97153 ("block: set .bi_max_vecs as actual allocated
> vector number") changes .bi_max_vecs behavior. bio->bi_max_vecs
> is set as actual allocated vector number rather than the requested
> number now.
> 
> Let's avoid using .bi_max_vecs completely instead.
> 
> Reported-by: Martin DEVERA <devik at eaxlabs.cz>
> Signed-off-by: Gao Xiang <hsiangkao at redhat.com>

Looks good to me, btw, it needs to Cc stable mailing list?

Reviewed-by: Chao Yu <yuchao0 at huawei.com>

Thanks,