block: drop bdrv_has_async_rw()

Commit cd74d83345e0e3b708330ab8c4cd9111bb82cda6 ("block: switch
bdrv_read()/bdrv_write() to coroutines") removed the bdrv_has_async_rw()
callers.  This patch removes bdrv_has_async_rw() since it is no longer
used.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block.c b/block.c
index 4d4d61ae6c69f9ca191e8d18f04454b78af4ddd2..9873b57edd96f0763ebbfec6bd3c489f9c012a04 100644 (file)
--- a/block.c
+++ b/block.c
@@ -1027,12 +1027,6 @@ static int bdrv_check_request(BlockDriverState *bs, int64_t sector_num,
                                    nb_sectors * BDRV_SECTOR_SIZE);
 }
 
-static inline bool bdrv_has_async_rw(BlockDriver *drv)
-{
-    return drv->bdrv_co_readv != bdrv_co_readv_em
-        || drv->bdrv_aio_readv != bdrv_aio_readv_em;
-}
-
 static inline bool bdrv_has_async_flush(BlockDriver *drv)
 {
     return drv->bdrv_aio_flush != bdrv_aio_flush_em;