f74aaf614e84 ("md: factor out a helper to sync mddev") 9674f54e41ff ("md: Don't clear MD_CLOSING when the raid is about to stop") 91b26a39fb83 ("md: return directly before setting did_set_md_closing") c731b84b51bf ("md: fix a warning caused by a race between concurrent md_ioctl()s") 118cf084adb3 ("md: implement ->set_read_only to hook into BLKROSET processing")