From: Paolo Bonzini <pbonz...@redhat.com>
Even if an op blocker is present for BLOCK_OP_TYPE_MIRROR_SOURCE,
it is checked a bit late and the result is that the target is
created even if drive-mirror subsequently fails. Add an early
check to avoid this.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Reviewed-by: Fam Zheng <f...@redhat.com>
Reviewed-by: Alberto Garcia <be...@igalia.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
blockdev.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/blockdev.c b/blockdev.c
index bdbdeae7e4..7423c5317b 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3569,6 +3569,11 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp)
return;
}
+ /* Early check to avoid creating target */
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_MIRROR_SOURCE, errp)) {
+ return;
+ }
+
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
--
2.13.6
