Re: [PATCH] MD: make bio mergeable

[Jens Axboe]

On 04/25/2016 05:52 PM, Shaohua Li wrote:
> blk_queue_split marks bio unmergeable, which makes sense for normal bio.
> But if dispatching the bio to underlayer disk, the blk_queue_split
> checks are invalid, hence it's possible the bio becomes mergeable.
>
> In the reported bug, this bug causes trim against raid0 performance slash
> https://bugzilla.kernel.org/show_bug.cgi?id=117051

Good catch! Will apply for this series, thanks Shaohua.

--
Jens Axboe