Hi Chao, On Mon, Mar 08, 2021 at 09:29:30AM +0800, Chao Yu wrote: > On 2021/3/6 12:04, Gao Xiang wrote: > > From: Gao Xiang <hsiang...@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 <de...@eaxlabs.cz> > > Signed-off-by: Gao Xiang <hsiang...@redhat.com> > > Looks good to me, btw, it needs to Cc stable mailing list? > > Reviewed-by: Chao Yu <yuch...@huawei.com> >
Thanks for your review. <= 5.11 kernels are not impacted. For now, this only impacts 5.12-rc due to a bio behavior change (see commit baa2c7c97153). So personally I think just leave as it is is fine. Thanks, Gao Xiang > Thanks, >