From d993b85804b7ec099d4e1d377161ac8af398d855 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Mon, 5 Jun 2017 14:38:52 +0200
Subject: block: access io_limits_disabled with atomic ops

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20170605123908.18777-4-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
---
 block/throttle-groups.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'block/throttle-groups.c')

diff --git a/block/throttle-groups.c b/block/throttle-groups.c
index b73e7a800b..69bfbd44d9 100644
--- a/block/throttle-groups.c
+++ b/block/throttle-groups.c
@@ -240,7 +240,7 @@ static bool throttle_group_schedule_timer(BlockBackend *blk, bool is_write)
     ThrottleGroup *tg = container_of(ts, ThrottleGroup, ts);
     bool must_wait;
 
-    if (blkp->io_limits_disabled) {
+    if (atomic_read(&blkp->io_limits_disabled)) {
         return false;
     }
 
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