Fix disk utilization for md/dm slaves

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/diskutil.c b/diskutil.c
index e90096bee6f5c099c639f0b29ebcd96eb0bfcac8..ac2f006e08597913417d293dbd3a67181fb4c223 100644 (file)
--- a/diskutil.c
+++ b/diskutil.c
@@ -236,8 +236,10 @@ static void find_add_disk_slaves(struct thread_data *td, char *path,
 
                /* Should probably use an assert here. slavedu should
                 * always be present at this point. */
-               if (slavedu)
+               if (slavedu) {
+                       slavedu->users++;
                        flist_add_tail(&slavedu->slavelist, &masterdu->slaves);
+               }
        }
 
        closedir(dirhandle);
@@ -543,6 +545,7 @@ void show_disk_util(void)
        flist_for_each_safe(entry, next, &disk_list) {
                flist_del(entry);
                du = flist_entry(entry, struct disk_util, list);
+               du->users--;
                disk_util_free(du);
        }
 }