On 4/15/26 10:04, Peter Krempa via Devel wrote:
Shrinking a disk accidentally equals data loss and thus very bad time for anyone mis-typing.
This series adds a new flag to virDomainBlockResize to prevent such a thing if the user only intends to extend the disk.
v2: - extracted only the first part of the series adding the flag preventing shrink and exposing it
- the second part dealing with detecting if the flag is supported will be posted later along with a better approach to probe flags
Peter Krempa (3): virDomainBlockResizeFlags: Convert to prefix-style docs API/qemu: Introduce 'VIR_DOMAIN_BLOCK_RESIZE_EXTEND' for 'virDomainBlockResize' virsh: blockresize: Introduce '--extend' flag
docs/manpages/virsh.rst | 7 ++++++- include/libvirt/libvirt-domain.h | 10 ++++++++-- src/libvirt-domain.c | 5 +++++ src/qemu/qemu_driver.c | 32 +++++++++++++++++++++++++++++++- tools/virsh-domain.c | 7 +++++++ 5 files changed, 57 insertions(+), 4 deletions(-)
Reviewed-by: Michal Privoznik <mprivozn@redhat.com> Michal