On Tue, Jan 18, 2022 at 11:27:27AM -0500, Emanuele Giuseppe Esposito wrote:
> Same as BDRV_POLL_WHILE, but uses AIO_WAIT_WHILE_UNLOCKED.
>
> Signed-off-by: Emanuele Giuseppe Esposito <eespo...@redhat.com>
> ---
> include/block/block-global-state.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/block/block-global-state.h
> b/include/block/block-global-state.h
> index 419fe8427f..7ad9496f56 100644
> --- a/include/block/block-global-state.h
> +++ b/include/block/block-global-state.h
> @@ -158,6 +158,11 @@ void bdrv_drain_all(void);
> AIO_WAIT_WHILE(bdrv_get_aio_context(bs_), \
> cond); })
>
> +#define BDRV_POLL_WHILE_UNLOCKED(bs, cond) ({ \
> + BlockDriverState *bs_ = (bs); \
> + AIO_WAIT_WHILE_UNLOCKED(bdrv_get_aio_context(bs_), \
> + cond); })No doc comments? When and why is this API useful? Are there any preconditions or assumptions (e.g. cond must be thread-safe)? Stefan
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