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From 238718e949e885a511fbc9c2486bddec78682341 Mon Sep 17 00:00:00 2001
From: John Snow <jsnow@redhat.com>
Date: Tue, 20 Nov 2018 18:18:20 +0000
Subject: [PATCH 26/35] block/backup: prohibit backup from using in use bitmaps

RH-Author: John Snow <jsnow@redhat.com>
Message-id: <20181120181828.15132-17-jsnow@redhat.com>
Patchwork-id: 83076
O-Subject: [RHEL8/rhel qemu-kvm PATCH 16/24] block/backup: prohibit backup from using in use bitmaps
Bugzilla: 1518989
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Acked-by: Max Reitz <mreitz@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>

If the bitmap is frozen, we shouldn't touch it.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20181002230218.13949-6-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
(cherry picked from commit b27a6b8b329a8dcbab9dc1af45586f7585f3d47b)
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
 blockdev.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index 916153e..56a3d0f 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3622,10 +3622,10 @@ static BlockJob *do_drive_backup(DriveBackup *backup, JobTxn *txn,
             bdrv_unref(target_bs);
             goto out;
         }
-        if (bdrv_dirty_bitmap_qmp_locked(bmap)) {
+        if (bdrv_dirty_bitmap_user_locked(bmap)) {
             error_setg(errp,
-                       "Bitmap '%s' is currently locked and cannot be used for "
-                       "backup", backup->bitmap);
+                       "Bitmap '%s' is currently in use by another operation"
+                       " and cannot be used for backup", backup->bitmap);
             goto out;
         }
     }
@@ -3730,10 +3730,10 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn,
             error_setg(errp, "Bitmap '%s' could not be found", backup->bitmap);
             goto out;
         }
-        if (bdrv_dirty_bitmap_qmp_locked(bmap)) {
+        if (bdrv_dirty_bitmap_user_locked(bmap)) {
             error_setg(errp,
-                       "Bitmap '%s' is currently locked and cannot be used for "
-                       "backup", backup->bitmap);
+                       "Bitmap '%s' is currently in use by another operation"
+                       " and cannot be used for backup", backup->bitmap);
             goto out;
         }
     }
-- 
1.8.3.1