From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Date: Wed, 3 Aug 2016 12:56:44 +0000 (+0300)
Subject: mirror: finish earlier on error
X-Git-Tag: v2.7.0-rc2~2^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dbaa7b57ec84e39e581890c1d814a8ac0f56e7c4;p=thirdparty%2Fqemu.git

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>
---

diff --git a/block/mirror.c b/block/mirror.c
index d6034f5b709..e0b3f4180f3 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: