Re: switch block layer polling to a bio based model v4

Keith Busch
2021-06-15T17:21:09Z

On Tue, Jun 15, 2021 at 03:10:18PM +0200, Christoph Hellwig wrote:
> Chances since v3:
> - rebased to the latests for-5.14/block tree
> - fix the refcount logic in __blkdev_direct_IO
> - split up a patch to make it easier to review
> - grab a queue reference in bio_poll
> - better document the RCU assumptions in bio_poll

It still doesn't look like a failover will work when polling through
pvsync2. We previously discussed that here: