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.dovga...@ispras.ru> --- block/blkreplay.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/block/blkreplay.c b/block/blkreplay.c index 30f9d5f..ca18906 100644 --- a/block/blkreplay.c +++ b/block/blkreplay.c @@ -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)