Merge remote-tracking branch 'remotes/nvme/tags/nvme-next-pull-request' into staging

[mirror_qemu.git] / block / blkreplay.c

diff --git a/block/blkreplay.c b/block/blkreplay.c
index 2b7931b940145858f26e1e842dbde35217b87aac..30a0f5d57aa0177159389c5da180db03109977cd 100644 (file)
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -27,8 +27,9 @@ static int blkreplay_open(BlockDriverState *bs, QDict *options, int flags,
     int ret;
 
     /* Open the image file */
-    bs->file = bdrv_open_child(NULL, options, "image",
-                               bs, &child_file, false, &local_err);
+    bs->file = bdrv_open_child(NULL, options, "image", bs, &child_of_bds,
+                               BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
+                               false, &local_err);
     if (local_err) {
         ret = -EINVAL;
         error_propagate(errp, local_err);
@@ -126,12 +127,19 @@ static int coroutine_fn blkreplay_co_flush(BlockDriverState *bs)
     return ret;
 }
 
+static int blkreplay_snapshot_goto(BlockDriverState *bs,
+                                   const char *snapshot_id)
+{
+    return bdrv_snapshot_goto(bs->file->bs, snapshot_id, NULL);
+}
+
 static BlockDriver bdrv_blkreplay = {
     .format_name            = "blkreplay",
     .instance_size          = 0,
+    .is_filter              = true,
 
     .bdrv_open              = blkreplay_open,
-    .bdrv_child_perm        = bdrv_filter_default_perms,
+    .bdrv_child_perm        = bdrv_default_perms,
     .bdrv_getlength         = blkreplay_getlength,
 
     .bdrv_co_preadv         = blkreplay_co_preadv,
@@ -140,6 +148,8 @@ static BlockDriver bdrv_blkreplay = {
     .bdrv_co_pwrite_zeroes  = blkreplay_co_pwrite_zeroes,
     .bdrv_co_pdiscard       = blkreplay_co_pdiscard,
     .bdrv_co_flush          = blkreplay_co_flush,
+
+    .bdrv_snapshot_goto     = blkreplay_snapshot_goto,
 };
 
 static void bdrv_blkreplay_init(void)