While we cannot represent the latency-ns option in a filename, it is not a significant option so not being able to should not stop us from generating a filename nonetheless.
Signed-off-by: Max Reitz <mre...@redhat.com> --- block/null.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/block/null.c b/block/null.c index fb03fb9..f665bcf 100644 --- a/block/null.c +++ b/block/null.c @@ -231,7 +231,8 @@ static void null_refresh_filename(BlockDriverState *bs) { /* These options can be ignored */ if (strcmp(qdict_entry_key(e), "filename") && - strcmp(qdict_entry_key(e), "driver")) + strcmp(qdict_entry_key(e), "driver") && + strcmp(qdict_entry_key(e), NULL_OPT_LATENCY)) { return; } -- 2.9.4