[Qemu-block] [PATCH v4 25/25] block/null: Generate filename even with latency-ns

[Max Reitz]

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 <address@hidden>
---
 block/null.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/block/null.c b/block/null.c
index fb03fb95c0..f665bcfa05 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;
         }
-- 
2.11.0