Re: [PATCH 8.0 regression] block/nfs: do not poll within a coroutine

[Eric Blake]

On Wed, Apr 12, 2023 at 01:26:06PM +0200, Paolo Bonzini wrote:
> Since the former nfs_get_allocated_file_size is now a coroutine
> function, it must suspend rather than poll.  Switch BDRV_POLL_WHILE()
> to a qemu_coroutine_yield() loop and schedule nfs_co_generic_bh_cb()
> in place of the call to bdrv_wakeup().
> 
> Fixes: 82618d7bc341 ("block: Convert bdrv_get_allocated_file_size() to 
> co_wrapper", 2023-02-01)
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  block/nfs.c | 24 +++++++++++++-----------
>  1 file changed, 13 insertions(+), 11 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org