On 11/14/2017 04:16 AM, Anton Nefedov wrote: > Misaligned compressed write is not supported. > > Signed-off-by: Anton Nefedov <anton.nefe...@virtuozzo.com> > --- > block/qcow2.c | 4 ++++ > 1 file changed, 4 insertions(+)
Should this one be applied in 2.11? Reviewed-by: Eric Blake <ebl...@redhat.com> > > diff --git a/block/qcow2.c b/block/qcow2.c > index 92cb9f9..45c5651 100644 > --- a/block/qcow2.c > +++ b/block/qcow2.c > @@ -3349,6 +3349,10 @@ qcow2_co_pwritev_compressed(BlockDriverState *bs, > uint64_t offset, > return bdrv_truncate(bs->file, cluster_offset, PREALLOC_MODE_OFF, > NULL); > } > > + if (offset_into_cluster(s, offset)) { > + return -EINVAL; > + } > + > buf = qemu_blockalign(bs, s->cluster_size); > if (bytes != s->cluster_size) { > if (bytes > s->cluster_size || > -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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