Daniel P. Berrangé authored Apr 06, 2020 and Daniel P. Berrangé committed Apr 23, 2020

The new code directly handles the file I/O, so that it can call
Sync before saving, to ensure an fsync() at the OS level before
renaming. This makes the code more robust against host crashes.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>