On 8/13/19 11:08 AM, Jiri Denemark wrote:
QEMU 4.0.0 and newer automatically drops caches at the end of migration. Let's check for this capability so that we can allow migration when disk cache is turned on.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com> --- src/qemu/qemu_capabilities.c | 2 ++
+++ b/src/qemu/qemu_capabilities.h @@ -517,6 +517,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
/* 335 */ QEMU_CAPS_DEVICE_BOCHS_DISPLAY, /* -device bochs-display */ + QEMU_CAPS_MIGRATION_FILE_DROP_CACHE, /* migration with disk cache on is safe for typ='file' disks */
s/typ/type/ long line, is that a problem? -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org