On Thu, May 13, 2021 at 13:55:22 +0800, ChangLimin wrote: > >On Mon, May 10, 2021 at 13:34:41 +0800, ChangLimin wrote: > >> Hi Peter, > >> > >> Since https://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=7bfff40fdfe5410c446c1cd8ec413e00530faf7d, > >> after blockcopy with pivot, a dirty-bitmap is added, but not been removed automatically. > >> Is that something wrong? > > > >Yeah, it's a bug and it should be removed. I'll have a look. > > > > Can this patch fix the bug? > > diff --git a/src/qemu/qemu_blockjob.c b/src/qemu/qemu_blockjob.c > index faf9a9fb7d..15dabe2c23 100644 > --- a/src/qemu/qemu_blockjob.c > +++ b/src/qemu/qemu_blockjob.c > @@ -1338,7 +1338,8 @@ qemuBlockJobProcessEventCompletedCopyBitmaps(virDomainObj *vm, > g_autoptr(virJSONValue) actions = NULL; > bool shallow = job->jobflags & VIR_DOMAIN_BLOCK_COPY_SHALLOW; > > - if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV_REOPEN)) > + if (job->disk->src->readonly && No. The problem is that the bitmap shouldn't be added in the first place if we are not invoking code to delete it. > + !virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV_REOPEN)) > return 0; >