[Qemu-devel] [PATCH v3 5/5] block/backup: prohibit backup from using in-use bitmaps

[John Snow]

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

Signed-off-by: John Snow <address@hidden>
---
 blockdev.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index 751e153557..c998336a43 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3512,10 +3512,10 @@ 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_modifiable(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;
         }
     }
@@ -3620,10 +3620,10 @@ 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_modifiable(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;
         }
     }
-- 
2.14.4