Re: [Libguestfs] list-filesystems and btrfs snapshots

On Wed, Jul 06, 2016 at 05:33:01PM +0300, Maxim Perevedentsev wrote: > Hello everyone! > > I have an issue with OpenSUSE-42.1 (I guess this is the only distro > with btrfs snapshots by default). > As we remember, list_filesystems returns btrfs snapshots along with devices. > > > <fs> list-filesystems > /dev/sda1: swap > btrfsvol:/dev/sda2/@: btrfs > btrfsvol:/dev/sda2/@/.snapshots: btrfs > btrfsvol:/dev/sda2/@/.snapshots/1/snapshot: btrfs > btrfsvol:/dev/sda2/@/.snapshots/2/snapshot: btrfs > ... > btrfsvol:/dev/sda2/@/.snapshots/16/snapshot: btrfs > /dev/sda2: btrfs > > > The btrfs snapshots are not block devices, so an error is thrown by > RESOLVE_DEVICE macro in stubs.c. That means we will get an error > trying to call blockdev - oriented functions at these devices. > > ========================= > > After grepping "list_filesystems" issues were found in: > - virt-sparsify (in-place and copying): is_lv > - virt-filesystems: blockdev_getsize64