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[Qemu-devel] [PATCH v2] blockdev: unset inappropriate flags when changin
From: |
Alyssa Milburn |
Subject: |
[Qemu-devel] [PATCH v2] blockdev: unset inappropriate flags when changing medium |
Date: |
Sat, 6 Feb 2016 13:36:18 +0000 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Most importantly, this removes BDRV_O_TEMPORARY, to avoid unlink()ing an
image which replaces a snapshotted one.
Signed-off-by: Alyssa Milburn <address@hidden>
---
blockdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/blockdev.c b/blockdev.c
index be4ca44..a916b06 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2514,6 +2514,8 @@ void qmp_blockdev_change_medium(const char *device, const
char *filename,
}
bdrv_flags = blk_get_open_flags_from_root_state(blk);
+ bdrv_flags &= ~(BDRV_O_TEMPORARY | BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING |
+ BDRV_O_PROTOCOL);
if (!has_read_only) {
read_only = BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN;
--
2.1.0
- [Qemu-devel] [PATCH v2] blockdev: unset inappropriate flags when changing medium,
Alyssa Milburn <=