From dbaa7b57ec84e39e581890c1d814a8ac0f56e7c4 Mon Sep 17 00:00:00 2001
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Date: Wed, 3 Aug 2016 15:56:44 +0300
Subject: mirror: finish earlier on error

Stop to produce new async copy requests from mirror_iteration if
critical error (error action = BLOCK_ERROR_ACTION_REPORT) detected.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/mirror.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'block')

diff --git a/block/mirror.c b/block/mirror.c
index d6034f5b70..e0b3f4180f 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -419,6 +419,10 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
             mirror_wait_for_io(s);
         }
 
+        if (s->ret < 0) {
+            return 0;
+        }
+
         mirror_clip_sectors(s, sector_num, &io_sectors);
         switch (mirror_method) {
         case MIRROR_METHOD_COPY:
-- 
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