[libvirt] [PATCH v5 4/4] blockcommit: turn on active commit
pkrempa at redhat.com
Tue Jul 29 13:06:39 UTC 2014
On 07/29/14 06:20, Eric Blake wrote:
> With this in place, I can (finally!) now do:
> virsh blockcommit $dom vda --shallow --verbose --pivot
> and watch qemu shorten the backing chain by one, followed by
> libvirt automatically updating the dumpxml output, effectively
> undoing the work of virsh snapshot-commit --no-metadata --disk-only.
> Commit is SOOOO much faster than blockpull, when I'm still fairly
> close in time to when the temporary qcow2 wrapper file was created
> via a snapshot operation!
> * src/qemu/qemu_driver.c (qemuDomainBlockCommit): Implement live
> Signed-off-by: Eric Blake <eblake at redhat.com>
> src/qemu/qemu_driver.c | 36 ++++++++++++++++++++++++++++++++----
> 1 file changed, 32 insertions(+), 4 deletions(-)
didn't change from my previous commit much.
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