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README: update for trigger options
[fio.git]
/
diskutil.c
diff --git
a/diskutil.c
b/diskutil.c
index 98ae2fe302008bf0c2b10cd55cb80c0a2b7327ae..52d87f6433d85132b2ae2fd3e6bfdc127fc64393 100644
(file)
--- a/
diskutil.c
+++ b/
diskutil.c
@@
-694,6
+694,9
@@
void show_disk_util(int terse, struct json_object *parent)
struct flist_head *entry;
struct disk_util *du;
+ if (!disk_util_mutex)
+ return;
+
fio_mutex_down(disk_util_mutex);
if (flist_empty(&disk_list)) {