From: Hao Peng
At present shared disks can be migrated with either readonly or cache=none. But
cache=directsync should be safe for migration, because both cache=directsync
and cache=none
don't use the host page cache, and cache=direct write through qemu block layer
cache.
Signed-off-by: Peng H
From: Hao Peng
At present shared disks can be migrated with either readonly or cache=none. But
cache=directsync should be safe for migration, because both cache=directsync
and cache=none
don't use the host page cache, and cache=direct write through qemu block layer
cache.
Signed-off-by: Peng H