Re: [PATCH 00/12] Removal of Aiocontext lock through drains: protect bdrv_replace_child_noperm.

[Paolo Bonzini]

On 1/26/22 12:29, Stefan Hajnoczi wrote:
Still, I'm a bit surprised I didn't notice any
aio_context_acquire/release() removals in this patch series because I
thought callers need that before they switch to
BDRV_POLL_WHILE_UNLOCKED()?

I think the callers are new and were not calling 
bdrv_subtree_drained_begin() (and thus BDRV_POLL_WHILE) at all?

Emanuele, enlighten us. :)

Paolo