Pre-zeroing allows preserve sparseness on some storage technologies
where efficient zeroing is not supported, yet the images are created
cleared.
The support is added both for virDomainBlockCopy as well as the
non-shared storage migration.
Peter Krempa (7):
qemuMigrationSrcPerformTunnel: Remove 'migrate_disks' argument
qemu: capabilities: Introduce QEMU_CAPS_BLOCKDEV_MIRROR_TARGET_IS_ZERO
qemu: monitor: Add support for 'target-is-zero' option of
'blockdev-mirror'
qemu: Add VIR_DOMAIN_BLOCK_COPY_TARGET_ZEROED flag for
virDomainBlockCopy
virsh: Add support for 'VIR_DOMAIN_BLOCK_COPY_TARGET_ZEROED' as
'--dest-is-zero'
qemu: migration: Introduce
'VIR_MIGRATE_PARAM_MIGRATE_DISKS_TARGET_ZERO'
virsh: migrate: Add support for
VIR_MIGRATE_PARAM_MIGRATE_DISKS_TARGET_ZERO
docs/manpages/virsh.rst | 10 +-
include/libvirt/libvirt-domain.h | 19 +++
src/libvirt-domain.c | 4 +
src/qemu/qemu_capabilities.c | 4 +
src/qemu/qemu_capabilities.h | 3 +
src/qemu/qemu_driver.c | 38 ++++--
src/qemu/qemu_migration.c | 118 +++++++++++++-----
src/qemu/qemu_migration.h | 4 +
src/qemu/qemu_monitor.c | 9 +-
src/qemu/qemu_monitor.h | 3 +-
src/qemu/qemu_monitor_json.c | 4 +-
src/qemu/qemu_monitor_json.h | 3 +-
.../caps_10.1.0_s390x.xml | 1 +
.../caps_10.1.0_x86_64+inteltdx.xml | 1 +
.../caps_10.1.0_x86_64.xml | 1 +
.../caps_10.2.0_aarch64.xml | 1 +
.../caps_10.2.0_x86_64+mshv.xml | 1 +
.../caps_10.2.0_x86_64.xml | 1 +
.../caps_11.0.0_aarch64.xml | 1 +
.../caps_11.0.0_x86_64.xml | 1 +
tests/qemumonitorjsontest.c | 2 +-
tools/virsh-domain.c | 35 +++++-
22 files changed, 217 insertions(+), 47 deletions(-)
--
2.53.0
