Add sereval hmp commands for incremental backup. It need a bitmap to backup data from drive-image to incremental image, so before it need add bitmap for this device to track io.
Usage: drive_backup [-n] [-f] device target [bitmap] [format] Example: # qemu-img create -f qcow2 /path/incremental-1.qcow2 -b /path/full.qcow2 (qemu) block_dirty_bitmap_add drive-virtio-disk0 bitmap0 (qemu) drive-backup -n drive-virtio-disk0 /path/incremental-1.qcow2 bitmap0 Rudy Zhang (2): hmp: add hmp command for incremental backup hmp: add hmp commands dirty bitmap add/clear/remove' hmp-commands.hx | 47 ++++++++++++++++++++++++++++++-- hmp.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-- hmp.h | 3 +++ 3 files changed, 129 insertions(+), 4 deletions(-) -- 2.6.4
