@@ -135,6 +135,12 @@ static int coroutine_fn blkreplay_co_flush(BlockDriverState *bs)
return ret;
}
+static bool blkreplay_recurse_is_first_non_filter(BlockDriverState *bs,
+ BlockDriverState *candidate)
+{
+ return bdrv_recurse_is_first_non_filter(bs->file->bs, candidate);
+}
+
static BlockDriver bdrv_blkreplay = {
.format_name = "blkreplay",
.protocol_name = "blkreplay",
@@ -150,6 +156,9 @@ static BlockDriver bdrv_blkreplay = {
.bdrv_co_pwrite_zeroes = blkreplay_co_pwrite_zeroes,
.bdrv_co_pdiscard = blkreplay_co_pdiscard,
.bdrv_co_flush = blkreplay_co_flush,
+
+ .is_filter = true,
+ .bdrv_recurse_is_first_non_filter = blkreplay_recurse_is_first_non_filter,
};
static void bdrv_blkreplay_init(void)
This patch adds bdrv_recurse_is_first_non_filter implementation for blkreplay driver. It allows creating snapshots when blkreplay is enabled. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> --- block/blkreplay.c | 9 +++++++++ 1 file changed, 9 insertions(+)