bdrv_truncate() invalidates the bdrv_check_request() result for in-flight requests, so there should better be none.
Signed-off-by: Peter Lieven <p...@kamp.de> Reported-by: Kevin Wolf <kw...@redhat.com> --- block.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/block.c b/block.c index 50dab8e..d8880e3 100644 --- a/block.c +++ b/block.c @@ -2427,6 +2427,10 @@ int bdrv_truncate(BlockDriverState *bs, int64_t offset) return -EACCES; if (bdrv_in_use(bs)) return -EBUSY; + + /* there should be better no IOs in flight when we truncate the device */ + bdrv_drain_all(); + ret = drv->bdrv_truncate(bs, offset); if (ret == 0) { ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS); -- 1.7.9.5