[Qemu-devel] [PATCH v2 18/21] blkdebug: Enable reopen

[Kevin Wolf <kwolf@redhat.com>]

Just reopening the children (as block.c does now) is enough.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/blkdebug.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/block/blkdebug.c b/block/blkdebug.c
index bc0f041..459a3d9 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -770,6 +770,12 @@ static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)
     bs->full_open_options = opts;
 }
 
+static int blkdebug_reopen_prepare(BDRVReopenState *reopen_state,
+                                   BlockReopenQueue *queue, Error **errp)
+{
+    return 0;
+}
+
 static BlockDriver bdrv_blkdebug = {
     .format_name            = "blkdebug",
     .protocol_name          = "blkdebug",
@@ -778,6 +784,7 @@ static BlockDriver bdrv_blkdebug = {
     .bdrv_parse_filename    = blkdebug_parse_filename,
     .bdrv_file_open         = blkdebug_open,
     .bdrv_close             = blkdebug_close,
+    .bdrv_reopen_prepare    = blkdebug_reopen_prepare,
     .bdrv_getlength         = blkdebug_getlength,
     .bdrv_truncate          = blkdebug_truncate,
     .bdrv_refresh_filename  = blkdebug_refresh_filename,
-- 
1.8.3.1