Message ID | 513DAC28.8090303@dlhnet.de |
---|---|
State | New |
Headers | show |
Am 11.03.2013 um 11:04 hat Peter Lieven geschrieben: > 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> Thanks, applied to the block branch. Kevin
diff --git a/blockdev.c b/blockdev.c index 0e67d06..be36ed7 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1062,6 +1062,9 @@ 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;
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> --- blockdev.c | 3 +++ 1 file changed, 3 insertions(+)