tree adc8d74261b334cba0a0bc52e30466af3c4694eb
parent 79f24568e5e70892b9bf4712f88b26f52255077f
author Paolo Bonzini <pbonzini@redhat.com> 1496666330 +0200
committer Fam Zheng <famz@redhat.com> 1497570900 +0800

block: access copy_on_read with atomic ops

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20170605123908.18777-2-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>