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-rw-r--r--drivers/md/md.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 01175dac0db6..13020e5c8cc0 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8980,7 +8980,14 @@ static __exit void md_exit(void)
for_each_mddev(mddev, tmp) {
export_array(mddev);
+ mddev->ctime = 0;
mddev->hold_active = 0;
+ /*
+ * for_each_mddev() will call mddev_put() at the end of each
+ * iteration. As the mddev is now fully clear, this will
+ * schedule the mddev for destruction by a workqueue, and the
+ * destroy_workqueue() below will wait for that to complete.
+ */
}
destroy_workqueue(md_misc_wq);
destroy_workqueue(md_wq);