On Thu, May 19, 2022 at 04:25:13PM +0800, Yongji Xie wrote:
> On Wed, May 18, 2022 at 10:03 PM Stefan Hajnoczi <stefa...@redhat.com> wrote:
> >
> > On Wed, May 04, 2022 at 03:40:51PM +0800, Xie Yongji wrote:
> > > @@ -291,6 +294,15 @@ static int vduse_blk_exp_create(BlockExport *exp,
> > > BlockExportOptions *opts,
> > > return -ENOMEM;
> > > }
> > >
> > > + vblk_exp->recon_file = g_strdup_printf("%s/vduse-blk-%s",
> > > + g_get_tmp_dir(), exp->id);
> >
> > g_get_tmp_dir() returns the $TMPDIR environment variable. This means
> > exp->id must be unique across the host. Please document this.
> >
>
> Now we also use exp->id as the name of vduse device which should also
> be unique across the host. So I'm not sure if it's better to add a new
> unique id for vduse since the exp->id is now used by all block
> exports.Good point, I forgot that the VDUSE device name must be unique! It's a little more flexible to have a separate vduse-name= option which is used for the VDUSE device name and the reconnection filename, but also a little more typing. I'm not sure if it's necessary to separate the two concepts. Stefan
signature.asc
Description: PGP signature
