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: https://marc.info/?l=linux-block&m=162100971816071&w=2