If user does not specify a serial id, e.g.
-device virtio-blk-pci,serial="serial_id"
or
-drive serial="serial_id"
no serial id will be assigned.
Add a default serial id in this case to help identifying
the disk in guest.
Signed-off-by: Asias He <asias@xxxxxxxxxx>
---
hw/virtio-blk.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index f2143fd..c016817 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -642,6 +642,13 @@ static int virtio_blk_device_init(VirtIODevice *vdev)
}
blkconf_serial(&blk->conf, &blk->serial);
+
+ if (!blk->serial) {
+ char serial[VIRTIO_BLK_ID_BYTES];
+ snprintf(serial, VIRTIO_BLK_ID_BYTES, "ID%05d", virtio_blk_id);
+ blk->serial = g_strdup(serial);
+ }
+
if (blkconf_geometry(&blk->conf, NULL, 65535, 255, 255) < 0) {
return -1;
}
--
1.8.1.4
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
