Re: [PATCHv4 0/3] scsi timeout handling updates

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On Wed, Nov 28, 2018 at 08:00:10AM +0100, Christoph Hellwig wrote:
> On Wed, Nov 28, 2018 at 10:20:01AM +0800, Ming Lei wrote:
> > On Mon, Nov 26, 2018 at 10:33:32AM -0700, Jens Axboe wrote:
> > > On 11/26/18 9:54 AM, Keith Busch wrote:
> > > > The iterative update to the previous version taking into account review
> > > > comments.
> > > > 
> > > > Background:
> > > > 
> > > > The main objective is to remove the generic block layer's lock prefix
> > > > currently required to transition a request to its completed state by
> > > > shifting that expense to lower level drivers that actually need it,
> > > > and removing the software layering violation that was required to use
> > > > that mechnaism.
> > > 
> > > Thanks Keith, added for 4.21.
> > 
> > Hi Jens & Keith,
> > 
> > Seems this patchset causes the following kernel panic, since not see
> > this issue with commit 4ab32bf3305e
> 
> Is this the nvme target on top of null_blk?

Yes.

Thanks,
Ming



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