On return, either all new options should be applied to BDRVQcowState (on
success), or all of the old setting should be preserved (on failure).
Signed-off-by: Kevin Wolf <address@hidden>
---
block/qcow2.c | 52 ++++++++++++++++++++++++++++++++--------------------
1 file changed, 32 insertions(+), 20 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index a4a267d..abe22f3 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -546,6 +546,9 @@ static int qcow2_update_options(BlockDriverState *bs, QDict
*options,
const char *opt_overlap_check, *opt_overlap_check_template;
int overlap_check_template = 0;
uint64_t l2_cache_size, refcount_cache_size;
+ Qcow2Cache* l2_table_cache;
+ Qcow2Cache* refcount_block_cache;