On 04.05.2017 19:37, Eric Blake wrote:
> Since we are already in coroutine context during the body of
> bdrv_co_get_block_status(), we can shave off a few layers of
> wrappers when recursing to query the protocol when a format driver
> returned BDRV_BLOCK_RAW.
> 
> Note that we are already using the correct recursion later on in
> the same function, when probing whether the protocol layer is sparse
> in order to find out if we can add BDRV_BLOCK_ZERO to an existing
> BDRV_BLOCK_DATA|BDRV_BLOCK_OFFSET_VALID.
> 
> Signed-off-by: Eric Blake <ebl...@redhat.com>
> ---
>  block/io.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Max Reitz <mre...@redhat.com>

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