Re: [PATCH 3/9] nbd/server.c: add missing coroutine_fn annotations

[Paolo Bonzini]

On 11/3/22 14:42, Emanuele Giuseppe Esposito wrote:
> There are probably more missing, but right now it is necessary that
> we extend coroutine_fn to block{allock/status}_to_extents, because
> they use bdrv_* functions calling the generated_co_wrapper API, which
> checks for the qemu_in_coroutine() case.
>
> Signed-off-by: Emanuele Giuseppe Esposito<eesposit@redhat.com>

generated_co_wrappers should only be called from functions that are 
*not* coroutine_fn.  If they are coroutine_fn, they can call the 
bdrv_co_* version directly.

See for example 
https://patchew.org/QEMU/20221013123711.620631-1-pbonzini@redhat.com/20221013123711.620631-17-pbonzini@redhat.com/.

Paolo