Signed-off-by: Max Reitz <mre...@redhat.com>
---
block/backup-top.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/block/backup-top.c b/block/backup-top.c
index af2f20f346..f304df8f26 100644
--- a/block/backup-top.c
+++ b/block/backup-top.c
@@ -99,6 +99,15 @@ static coroutine_fn int
backup_top_co_pwritev(BlockDriverState *bs,
return bdrv_co_pwritev(bs->backing, offset, bytes, qiov, flags);
}
+static coroutine_fn int backup_top_co_pwritev_compressed(BlockDriverState *bs,
+ uint64_t offset,
+ uint64_t bytes,
+ QEMUIOVector *qiov)
+{
+ return backup_top_co_pwritev(bs, offset, bytes, qiov,
+ BDRV_REQ_WRITE_COMPRESSED);
+}
+
static int coroutine_fn backup_top_co_flush(BlockDriverState *bs)
{
if (!bs->backing) {
@@ -173,6 +182,7 @@ BlockDriver bdrv_backup_top_filter = {
.bdrv_co_pwritev = backup_top_co_pwritev,
.bdrv_co_pwrite_zeroes = backup_top_co_pwrite_zeroes,
.bdrv_co_pdiscard = backup_top_co_pdiscard,
+ .bdrv_co_pwritev_compressed = backup_top_co_pwritev_compressed,
.bdrv_co_flush = backup_top_co_flush,
.bdrv_co_block_status = bdrv_co_block_status_from_backing,
--
2.26.2
