blkverify: Implement .bdrv_recurse_can_replace()
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200218103454.296704-8-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/blkverify.c b/block/blkverify.c
index 304b0a1..0add3ab 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -282,6 +282,20 @@
return bdrv_recurse_is_first_non_filter(s->test_file->bs, candidate);
}
+static bool blkverify_recurse_can_replace(BlockDriverState *bs,
+ BlockDriverState *to_replace)
+{
+ BDRVBlkverifyState *s = bs->opaque;
+
+ /*
+ * blkverify quits the whole qemu process if there is a mismatch
+ * between bs->file->bs and s->test_file->bs. Therefore, we know
+ * know that both must match bs and we can recurse down to either.
+ */
+ return bdrv_recurse_can_replace(bs->file->bs, to_replace) ||
+ bdrv_recurse_can_replace(s->test_file->bs, to_replace);
+}
+
static void blkverify_refresh_filename(BlockDriverState *bs)
{
BDRVBlkverifyState *s = bs->opaque;
@@ -328,6 +342,7 @@
.is_filter = true,
.bdrv_recurse_is_first_non_filter = blkverify_recurse_is_first_non_filter,
+ .bdrv_recurse_can_replace = blkverify_recurse_can_replace,
};
static void bdrv_blkverify_init(void)
