From: Stefan Hajnoczi <stefa...@redhat.com>
The BLOCK_OP_TYPE_INTERNAL_SNAPSHOT op blocker exists but was never
used! Let's fix that so internal snapshots can be blocked.
[Fixed s/external/internal/ typo as pointed out by Paolo Bonzini and Max
Reitz.
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
Reviewed-by: Max Reitz <mre...@redhat.com>
Message-id: 1416566940-4430-5-git-send-email-stefa...@redhat.com
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
blockdev.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/blockdev.c b/blockdev.c
index ea59c39..5651a8e 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1250,6 +1250,10 @@ static void
internal_snapshot_prepare(BlkTransactionState *common,
return;
}
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_INTERNAL_SNAPSHOT, errp)) {
+ return;
+ }
+
if (bdrv_is_read_only(bs)) {
error_set(errp, QERR_DEVICE_IS_READ_ONLY, device);
return;
--
1.8.3.1
