diff options
Diffstat (limited to 'include/block/block.h')
| -rw-r--r-- | include/block/block.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h index 398a050176..a9d7c0d82e 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -334,6 +334,15 @@ void bdrv_drain(BlockDriverState *bs); void coroutine_fn bdrv_co_drain(BlockDriverState *bs); void bdrv_drain_all(void); +#define BDRV_POLL_WHILE(bs, cond) ({ \ + bool waited_ = false; \ + BlockDriverState *bs_ = (bs); \ + while ((cond)) { \ + aio_poll(bdrv_get_aio_context(bs_), true); \ + waited_ = true; \ + } \ + waited_; }) + int bdrv_pdiscard(BlockDriverState *bs, int64_t offset, int count); int bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, int count); int bdrv_has_zero_init_1(BlockDriverState *bs); |