diff options
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c index eb9a4cdf56..ff15cfb197 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1548,7 +1548,8 @@ static void mirror_start_job(const char *job_id, BlockDriverState *bs, } mirror_top_bs->total_sectors = bs->total_sectors; mirror_top_bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED; - mirror_top_bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED; + mirror_top_bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED | + BDRV_REQ_NO_FALLBACK; bs_opaque = g_new0(MirrorBDSOpaque, 1); mirror_top_bs->opaque = bs_opaque; bdrv_set_aio_context(mirror_top_bs, bdrv_get_aio_context(bs)); |