diff options
| author | Peter Lieven <pl@dlhnet.de> | 2013-03-11 11:04:24 +0100 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2013-04-04 17:36:43 -0500 |
| commit | 2b92aa36d112780674d5686ad9c98e8cfe68d207 (patch) | |
| tree | 942965201adafb831c608d6270baa886b309e672 | |
| parent | e4cce2d3e9dbdb1c82994f024c0c7e2d2661547e (diff) | |
| download | qemu-2b92aa36d112780674d5686ad9c98e8cfe68d207.tar.gz | |
block: complete all IOs before resizing a device
this patch ensures that all pending IOs are completed
before a device is resized. this is especially important
if a device is shrinked as it the bdrv_check_request()
result is invalidated.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 92b7a08d64e5e3129fa885f9d180e5bddcb76b42)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | blockdev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index 63e6f1eafa..4ea2725fce 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1043,6 +1043,9 @@ void qmp_block_resize(const char *device, int64_t size, Error **errp) return; } + /* complete all in-flight operations before resizing the device */ + bdrv_drain_all(); + switch (bdrv_truncate(bs, size)) { case 0: break; |