From: Peter Lieven <p...@dlhnet.de>
bdrv_truncate() invalidates the bdrv_check_request() result for
in-flight requests, so there should better be none.
Cc: qemu-sta...@nongnu.org
Signed-off-by: Peter Lieven <p...@kamp.de>
Reported-by: Kevin Wolf <kw...@redhat.com>
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
(cherry picked from commit 9a665b2b8640e464f0a778216fc2dca8d02acf33)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
block.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/block.c b/block.c
index 50dab8e..11f162b 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 better not be any in-flight IOs 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
