add bitmap drive-mirror patches

[pve-qemu.git] / debian / patches / pve / 0036-mirror-add-check-for-bitmap-mode-without-bitmap.patch

From daec2f64e120a23a8d263f7d058bd84c48397bc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
Date: Mon, 17 Feb 2020 11:59:20 +0100
Subject: [PATCH qemu 36/39] mirror: add check for bitmap-mode without bitmap
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as one without the other does not make much sense with the current set
of modes.

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
 blockdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/blockdev.c b/blockdev.c
index 08285b9e86..768a0b0fd4 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3861,6 +3861,9 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
         if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_ALLOW_RO, errp)) {
             return;
         }
+    } else if (has_bitmap_mode) {
+        error_setg(errp, "Cannot specify bitmap sync mode without a bitmap");
+        return;
     }
 
     if (has_replaces) {
-- 
2.20.1