From: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
The patch is based on the latest QEMU upstream. If you will backport the
patchset to QEMU 1.0, pls note the difference.
Signed-off-by: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
---
block.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index ae297bb..07cd143 100644
--- a/block.c
+++ b/block.c
@@ -863,6 +863,12 @@ void bdrv_drain_all(void)
{
BlockDriverState *bs;
+ QTAILQ_FOREACH(bs, &bdrv_states, list) {
+ if (!qemu_co_queue_empty(&bs->throttled_reqs)) {
+ qemu_co_queue_restart_all(&bs->throttled_reqs);
+ }
+ }
+
qemu_aio_flush();
/* If requests are still pending there is a bug somewhere */
--
1.7.6
