[Qemu-block] [PATCH v20 29/30] qmp: block-dirty-bitmap-remove: remove persistent

[Vladimir Sementsov-Ogievskiy]

Remove persistent bitmap from the storage on block-dirty-bitmap-remove.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Reviewed-by: John Snow <address@hidden>
---
 blockdev.c           | 10 ++++++++++
 qapi/block-core.json |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/blockdev.c b/blockdev.c
index e3dbef7427..7ec75524a8 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2801,6 +2801,7 @@ void qmp_block_dirty_bitmap_remove(const char *node, 
const char *name,
     AioContext *aio_context;
     BlockDriverState *bs;
     BdrvDirtyBitmap *bitmap;
+    Error *local_err = NULL;
 
     bitmap = block_dirty_bitmap_lookup(node, name, &bs, &aio_context, errp);
     if (!bitmap || !bs) {
@@ -2813,6 +2814,15 @@ void qmp_block_dirty_bitmap_remove(const char *node, 
const char *name,
                    name);
         goto out;
     }
+
+    if (bdrv_dirty_bitmap_get_persistance(bitmap)) {
+        bdrv_remove_persistent_dirty_bitmap(bs, name, &local_err);
+        if (local_err != NULL) {
+            error_propagate(errp, local_err);
+            goto out;
+        }
+    }
+
     bdrv_dirty_bitmap_make_anon(bitmap);
     bdrv_release_dirty_bitmap(bs, bitmap);
 
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 3dd9f92e5a..37f35a1811 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1600,7 +1600,8 @@
 # @block-dirty-bitmap-remove:
 #
 # Stop write tracking and remove the dirty bitmap that was created
-# with block-dirty-bitmap-add.
+# with block-dirty-bitmap-add. If the bitmap is persistent, remove it from its
+# storage too.
 #
 # Returns: nothing on success
 #          If @node is not a valid block device or node, DeviceNotFound
-- 
2.11.1