On 28/03/2019 18:52, Jens Axboe wrote:
On 3/28/19 11:48 AM, Christoph Hellwig wrote:
> On Thu, Mar 28, 2019 at 05:31:29PM +0100, Johannes Thumshirn wrote:
>> In all cases I could reproduce it I had nsegs == 2 and
>> rq->nr_phys_segments == 1 (rq->bio->bi_phys_segments == 1).
> And all cases are pass through as well?
> Can you check if this still shows up with the series from Ming which
> switches the passthrough requests to use multi-page biovecs aswell
> and gets rid of the hairy code you quote below.
Good idea, thanks.
Since I already merged that in my 5.2 but didn't push it out yet,
made a temporary branch available if you want to test through that:
Johannes Thumshirn SUSE Labs Filesystems
jthumshirn(a)suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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