/7] migration/snapshot: External snapshot utility
=== TEST SCRIPT BEGIN ===
#!/bin/bash
git rev-parse base > /dev/null || exit 0
git config --local diff.renamelimit 0
git config --local diff.renames True
git config --local diff.algorithm histogram
./scripts/checkpatch.pl --mailback base..
=== T
Changes v0 -> v1:
* Changed command-line format, now use blockdev specification to
define vmstate image.
* Don't deal with image creation in the tool, create externally.
* Better block layer AIO handling in the load path.
* Reduced fragmentation of the image backing file by using 'writtent-s
