Re: Some new bio merging behaviors in __bio_try_merge_page

From: Gao Xiang
Date: Thu Apr 11 2019 - 12:25:34 EST

On 2019/4/11 23:34, Christoph Hellwig wrote:
> On Thu, Apr 11, 2019 at 04:09:54PM +0800, Ming Lei wrote:
>> I don't think it is a good behaviour to use bio->bi_max_vecs to limit
>> max allowed page, you may see the idea from the naming simply...
>> If there were other such drivers, we may fix it easily, and the following
>> patch should fix your issue:
> Yep. Consumers of the block layer really have no business at all
> looking at bi_vcnt.

Thanks for pointing out, Ming's solution is enough to solve erofs issue.

Gao XIang