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From 0487ca6807db23556550e12585924546ed9923af Mon Sep 17 00:00:00 2001
From: Fam Zheng <famz@redhat.com>
Date: Tue, 21 Jan 2014 02:59:42 +0100
Subject: [PATCH 30/34] block: ensure bdrv_drain_all() works during bdrv_delete()

RH-Author: Fam Zheng <famz@redhat.com>
Message-id: <1390273182-31302-1-git-send-email-famz@redhat.com>
Patchwork-id: 56851
O-Subject: [RHEL-7 qemu-kvm PATCH 19/18] block: ensure bdrv_drain_all() works during bdrv_delete()
Bugzilla: 1041301
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>

From: Stefan Hajnoczi <stefanha@redhat.com>

In bdrv_delete() make sure to call bdrv_make_anon() *after* bdrv_close()
so that the device is still seen by bdrv_drain_all() when iterating
bdrv_states.

Cc: qemu-stable@nongnu.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit e1b5c52e04d04bb93546c6e37e8884889d047cb1)
Signed-off-by: Fam Zheng <famz@redhat.com>
---
 block.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 block.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block.c b/block.c
index b4e3ced..3232971 100644
--- a/block.c
+++ b/block.c
@@ -1674,11 +1674,11 @@ static void bdrv_delete(BlockDriverState *bs)
     assert(!bs->in_use);
     assert(!bs->refcnt);
 
+    bdrv_close(bs);
+
     /* remove from list, if necessary */
     bdrv_make_anon(bs);
 
-    bdrv_close(bs);
-
     g_free(bs);
 }
 
-- 
1.7.1