Commit 36479179 authored by Stefan Hajnoczi's avatar Stefan Hajnoczi
Browse files

qcow2: drop unnecessary flush in qcow2_update_snapshot_refcount() 



We already flush when the function completes.  There is no need to flush
after every compressed cluster.

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent f9cb2860

block/qcow2-refcount.c

+0 −4
Original line number Diff line number Diff line
@@ -790,10 +790,6 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs, 
                            if (ret < 0) {

                                goto fail;

                            }



                            /* TODO Flushing once for the whole function should

                             * be enough */

                            bdrv_flush(bs->file);

                        }

                        /* compressed clusters are never modified */

                        refcount = 2;