virtio-blk: Remove stale comment about draining

This is stale after commit 6e40b3bf (virtio-blk: Use blk_drain() to
drain IO requests), remove it.

Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 1470278654-13525-3-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 1e348b1abb7d4069f054e540ea74dc6c849dbd81..331d7667eca195181fa4536eb96b1c6b9ab3d5e5 100644 (file)
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -656,10 +656,6 @@ static void virtio_blk_reset(VirtIODevice *vdev)
     AioContext *ctx;
     VirtIOBlockReq *req;
 
-    /*
-     * This should cancel pending requests, but can't do nicely until there
-     * are per-device request lists.
-     */
     ctx = blk_get_aio_context(s->blk);
     aio_context_acquire(ctx);
     blk_drain(s->blk);