[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 2/3] block: complete all IOs before resizing a devic
From: |
Peter Lieven |
Subject: |
[Qemu-devel] [PATCH 2/3] block: complete all IOs before resizing a device |
Date: |
Mon, 11 Mar 2013 11:04:24 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130221 Thunderbird/17.0.3 |
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 <address@hidden>
---
blockdev.c | 3 +++
1 file changed, 3 insertions(+)
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;
--
1.7.9.5
- [Qemu-devel] [PATCH 2/3] block: complete all IOs before resizing a device,
Peter Lieven <=