On 4/2/20 7:10 PM, Kevin Wolf wrote:
> Am 02.04.2020 um 18:47 hat Kevin Wolf geschrieben:
>> So I think this is the bug: Calling blk_wait_while_drained() from
>> anywhere between blk_inc_in_flight() and blk_dec_in_flight() is wrong
>> because it will deadlock the drain operation.
>>
>> blk_aio_read
On 5/12/20 4:43 PM, Kevin Wolf wrote:
> Coroutine functions that are entered through bdrv_run_co() are already
> safe to call from synchronous code in a different AioContext because
> bdrv_coroutine_enter() will schedule them in the context of the node.
>
> However, the coroutine fastpath still re
On 5/12/20 4:43 PM, Kevin Wolf wrote:
> Stefan (Reiter), after looking a bit closer at this, I think there is no
> bug in QEMU, but the bug is in your coroutine code that calls block
> layer functions without moving into the right AioContext first. I've
> written this series anyway as it potentiall
