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authorKevin Wolf <kwolf@redhat.com>2013-03-15 10:35:08 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2013-03-15 16:07:49 +0100
commit74c4510a3cf7c369ee524c6f8fa8a87cf08ba608 (patch)
tree47513b79f00b7aba967176fed0cf2738c4a5ee62 /block/qcow2-cluster.c
parent0006383e1549b6f9b264575d124c553efca19d62 (diff)
qcow2: Allow lazy refcounts to be enabled on the command line
qcow2 images now accept a boolean lazy_refcounts options. Use it like this: -drive file=test.qcow2,lazy_refcounts=on If the option is specified on the command line, it overrides the default specified by the qcow2 header flags that were set when creating the image. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/qcow2-cluster.c')
-rw-r--r--block/qcow2-cluster.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 56fccf9487..ff9ae18e4a 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -668,7 +668,7 @@ int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m)
}
/* Update L2 table. */
- if (s->compatible_features & QCOW2_COMPAT_LAZY_REFCOUNTS) {
+ if (s->use_lazy_refcounts) {
qcow2_mark_dirty(bs);
}
if (qcow2_need_accurate_refcounts(s)) {