fix backup jobs

[pve-qemu-kvm.git] / debian / patches / pve / 0039-rbd-disable-rbd_cache_writethrough_until_flush-with-.patch

From 13fa6cdde41cbd856835a068bf7642d9298d23df Mon Sep 17 00:00:00 2001
From: Alexandre Derumier <aderumier@odiso.com>
Date: Tue, 26 Jul 2016 16:51:00 +0200
Subject: [PATCH 39/47] rbd: disable rbd_cache_writethrough_until_flush with
 cache=unsafe

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
---
 block/rbd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/block/rbd.c b/block/rbd.c
index 498322b..e9c02c6 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -616,6 +616,10 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
         rados_conf_set(s->cluster, "rbd_cache", "true");
     }
 
+    if (flags & BDRV_O_NO_FLUSH) {
+	rados_conf_set(s->cluster, "rbd_cache_writethrough_until_flush", "false");
+    }
+
     r = rados_connect(s->cluster);
     if (r < 0) {
         error_setg_errno(errp, -r, "error connecting");
-- 
2.1.4