virtio-scsi: Make virtio_scsi_acquire/release public

They will be used in virtio-scsi-dataplane.c as well, so move them to
header.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170317061447.16243-2-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h
index f536f77e68..8ae0acaa1f 100644
--- a/include/hw/virtio/virtio-scsi.h
+++ b/include/hw/virtio/virtio-scsi.h
@@ -121,6 +121,20 @@ typedef struct VirtIOSCSIReq {
     } req;
 } VirtIOSCSIReq;
 
+static inline void virtio_scsi_acquire(VirtIOSCSI *s)
+{
+    if (s->ctx) {
+        aio_context_acquire(s->ctx);
+    }
+}
+
+static inline void virtio_scsi_release(VirtIOSCSI *s)
+{
+    if (s->ctx) {
+        aio_context_release(s->ctx);
+    }
+}
+
 void virtio_scsi_common_realize(DeviceState *dev, Error **errp,
                                 VirtIOHandleOutput ctrl, VirtIOHandleOutput evt,
                                 VirtIOHandleOutput cmd);