Am 20.02.2019 um 18:48 hat Kevin Wolf geschrieben: > Background for this series is the following bug report, which is about a > crash with virtio-blk + iothread and request resubmission for werror/rerror: > > https://bugzilla.redhat.com/show_bug.cgi?id=1671173 > > The reason is that bdrv_set_aio_context() didn't correctly quiesce > everything. Instead, it had a local hack to call aio_poll() for the > source AioContext, which covered some, but not all cases, and is wrong > because you can only call aio_poll() from the home thread. > > So this series tries to make bdrv_drain() actually drain the known cases > (fixes virtio-blk and the NBD client) and use the regular drain > functions in bdrv_set_aio_context() instead of open-coding something > similar.
Applied to the block branch. Kevin
