Re: [PATCH 5.20 1/4] block: add bio_rewind() API

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On Wed, Jun 29, 2022 at 12:37:59PM -0700, Bart Van Assche wrote:
> On 6/29/22 12:05, Kent Overstreet wrote:
> > On Wed, Jun 29, 2022 at 11:51:27AM -0700, Bart Van Assche wrote:
> > > On 6/29/22 11:40, Kent Overstreet wrote:
> > > > But Jens, to be blunt - I know we have different priorities in the way we write code.
> > > 
> > > Please stay professional in your communication and focus on the technical
> > > issues instead of on the people involved.
> > > 
> > > BTW, I remember that some time ago I bisected a kernel bug to one of your
> > > commits and that you refused to fix the bug introduced by that commit. I had
> > > to spend my time on root-causing it and sending a fix upstream.
> > 
> > I'd be genuinely appreciative if you'd refresh my memory on what it was. Because
> > yeah, if I did that that was my fuckup and I want to learn from my mistakes.
> 
> I was referring to the following two conversations from May 2018:
> * [PATCH] Revert "block: Add warning for bi_next not NULL in bio_endio()" (https://lore.kernel.org/linux-block/20180522235505.20937-1-bart.vanassche@xxxxxxx/)
> * [PATCH v2] Revert "block: Add warning for bi_next not NULL in bio_endio()" (https://lore.kernel.org/linux-block/20180619172640.15246-1-bart.vanassche@xxxxxxx/)

And also, why did you decide to just revert instead of fixing the issue within
DM? You had a WARN() printed, you shouldn't have needed to bisect, the commit
message explained what was going on - but you never explained that part?



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